Unable to Ping IP across 2 IPsec Tunnels
Hello world
Here's the Setup program
Server1 - layer 2 switch-ASA1 -L2 tunnel-ASA2 -Layer2 tunnel-ASA3- layer 2 switch - Server2.
Server1 IP 10.31.2.83/28
Server2 IP 10.31.2.35/28
Server1 has its default gateway to ASA1
Server1 can ping the ASA1 but cannot ping the Server2.
ASA1 is also unable to ping server2.
Ping 10.31.2.35
Type to abort escape sequence.
Send 5, echoes ICMP 100 bytes to 10.31.2.35, wait time is 2 seconds:
?????
Success rate is 0% (0/5)
ASA2 can ping the Server2
Ping 10.31.2.35
Type to abort escape sequence.
Send 5, echoes ICMP 100 bytes to 10.31.2.35, wait time is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = ms 02/01/10
ASA2 can ping Server1
Ping 10.31.2.83
Type to abort escape sequence.
Send 5, echoes ICMP 100 bytes to 10.31.2.83, wait time is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = ms 02/01/10
ACL is allowing traffic, routing, crypto card also allows the traffic.
What else can I check?
Any help is appreciated.
Concerning
Mahesh
I don't understand what you mean with Tunnel of Layer2. Is it relevant to this question?
IPsec is involved?
Do you have any troubleshooting basic Layer 3? Check the routing information?
(1) the ASA2 has 2 interfaces, one for each tunnel?
- ASA2 there transatlantic lines?
- 10.31.2.80 255.255.255.240 to ASA1
- 10.31.2.32 to ASA3 255.255.255.240
(2) ASA2 has only one interface for the two tunnels?
- You same-security-traffic allow intra-interface?
- If IPsec is involved, understanding Cryptography ACLs on ASA2
- 10.31.2.80/28-> 10.31.2.32/28 to ASA3
- 10.31.2.32/28-> 10.31.2.80/28 to ASA1
The following command will help all three ASAs:
SH, route
HS card crypto
SH crypto ipsec his (look for the counters of packets on the SAs)
Best regards, MiKa
Tags: Cisco Security
Similar Questions
-
Unable to Ping hosts through IPSec Tunnel
I have a configuration of lab home with a PIX 515 running code 8.03. I've made several changes over the last week and now when I finish a VPN connection to the external interface, I'm unable to hit all internal resources. My VPN connection comes from a 10.22.254.0/24 trying to knock the internal nodes to 10.22.1.0/24, see below. When I finish a VPN connection with the inside interface works, so I guess that I'm dealing with a NAT problem? I have not idea why Phase 9 is a failure:-------. Any help would be great!
-------
IP 10.22.254.0 allow Access-list extended sheep 255.255.255.0 10.22.1.0 255.255.255.0
NAT (inside) 0 access-list sheep
-------
Global 1 interface (outside)
-------
access-list extended split allow ip 10.22.1.0 255.255.255.0 10.22.254.0 255.255.255.0
-------
Packet-trace entry inside tcp 10.22.1.15 1025 10.22.254.15 3389 detailed
Phase: 1
Type: FLOW-SEARCH
Subtype:
Result: ALLOW
Config:
Additional information:
Not found no corresponding stream, creating a new stream
Phase: 2
Type:-ROUTE SEARCH
Subtype: entry
Result: ALLOW
Config:
Additional information:
in 0.0.0.0 0.0.0.0 outdoors
Phase: 3
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional information:
Direct flow from returns search rule:
ID = 0x2bb3450, priority = 0, sector = option-ip-enabled, deny = true
hits = 17005, user_data = 0 x 0, cs_id = 0 x 0, reverse, flags = 0 x 0 = 0 protocol
SRC ip = 0.0.0.0 mask 0.0.0.0, port = 0 =
DST ip = 0.0.0.0 mask 0.0.0.0, port = 0 =
Phase: 4
Type: VPN
Subtype: ipsec-tunnel-flow
Result: ALLOW
Config:
Additional information:
Direct flow from returns search rule:
ID = 0x304ae48, priority = 12, area = ipsec-tunnel-flow, deny = true
hits = 17005, user_data = 0 x 0, cs_id = 0 x 0, flags = 0 x 0 = 0 protocol
SRC ip = 0.0.0.0 mask 0.0.0.0, port = 0 =
DST ip = 0.0.0.0 mask 0.0.0.0, port = 0 =
Phase: 5
Type: NAT-FREE
Subtype:
Result: ALLOW
Config:
NAT (inside) 0 access-list sheep
NAT-control
is the intellectual property inside 10.22.1.0 outside 10.22.254.0 255.255.255.0 255.255.255.0
Exempt from NAT
translate_hits = 6, untranslate_hits = 5
Additional information:
Direct flow from returns search rule:
ID = 0x2be2a00, priority = 6, free = area of nat, deny = false
Hits = 5, user_data is 0x2be2960, cs_id = 0 x 0, use_real_addr, flags = 0 x 0 = 0 protocol
SRC ip = 10.22.1.0, mask is 255.255.255.0, port = 0
DST ip = 10.22.254.0, mask is 255.255.255.0, port = 0
Phase: 6
Type: NAT
Subtype: host-limits
Result: ALLOW
Config:
static (inside, DMZ) 10.22.1.0 10.22.1.0 netmask 255.255.255.0
NAT-control
is the intellectual property inside 10.22.1.0 255.255.255.0 DMZ all
static translation at 10.22.1.0
translate_hits = 10, untranslate_hits = 0
Additional information:
Direct flow from returns search rule:
ID = 0x2d52800, priority = 5, area = host, deny = false
hits = 21654, user_data = 0x2d51dc8, cs_id = 0 x 0, reverse, flags = 0 x 0 = 0 protocol
SRC ip = 10.22.1.0, mask is 255.255.255.0, port = 0
DST ip = 0.0.0.0 mask 0.0.0.0, port = 0 =
Phase: 7
Type: NAT
Subtype:
Result: ALLOW
Config:
NAT (inside) 1 0.0.0.0 0.0.0.0
NAT-control
is the intellectual property inside everything outside of any
dynamic translation of hen 1 (192.168.20.20 [Interface PAT])
translate_hits = 2909, untranslate_hits = 9
Additional information:
Direct flow from returns search rule:
ID = 0x2d4a7d0, priority = 1, sector = nat, deny = false
hits = 16973, user_data = 0x2d4a730, cs_id = 0 x 0, flags = 0 x 0 = 0 protocol
SRC ip = 0.0.0.0 mask 0.0.0.0, port = 0 =
DST ip = 0.0.0.0 mask 0.0.0.0, port = 0 =
Phase: 8
Type: VPN
Subtype: encrypt
Result: ALLOW
Config:
Additional information:
Direct flow from returns search rule:
ID = 0 x 3328000, priority = 70, domain = encrypt, deny = false
hits = 0, user_data is 0x1efa0cc, cs_id = 0 x 0, reverse, flags = 0 x 0 = 0 protocol
SRC ip = 10.22.1.0, mask is 255.255.255.0, port = 0
DST ip = 10.0.0.0, mask is 255.0.0.0, port = 0
Phase: 9
Type: ACCESS-LIST
Subtype: ipsec-user
Result: DECLINE
Config:
Additional information:
Direct flow from returns search rule:
ID = 0x3329a48, priority = 69, domain = ipsec - user, deny = true
Hits = 37, user_data = 0 x 0, cs_id = 0 x 0, flags = 0 x 0 = 0 protocol
SRC ip = 0.0.0.0 mask 0.0.0.0, port = 0 =
DST ip = 10.0.0.0, mask is 255.0.0.0, port = 0
Result:
input interface: inside
entry status: to the top
entry-line-status: to the top
output interface: outside
the status of the output: to the top
output-line-status: to the top
Action: drop
Drop-reason: flow (acl-drop) is denied by the configured rule
No, the sheep ACL requires that defining the internal network traffic to the
Pool VPN. You must remove the other entries.
Delete:
allowed to Access-list sheep line 8 extended ip 10.22.254.0 255.255.255.0 DM_INLINE_NETWORK_18 object-group
allowed to Access-list sheep line 8 extended ip 10.22.254.0 255.255.255.0 10.22.1.0 255.255.255.0 -
ASA 8.6 - l2l IPsec tunnel established - not possible to ping
Hello world
I have a problem of configuration of the CISCO ASA 5512-x (IOS 8.6).
The IPsec tunnel is created between ASA and an another non-CISCO router (hereinafter "router"). I can send packets ping from router to ASA, but ASA is NOT able to meet these demands. Sending requests of ASA is also NOT possible.
I'm trying to interconnect with the network 192.168.2.0/24 (CISCO, interface DMZ) premises and 192.168.3.0/24 (router).
The CISCO ASA has a static public IP address. The router has a dynamic IP address, so I use the dynamic-map option...
Here is the output of "show run":
---------------------------------------------------------------------------------------------------------------------------------------------
ASA 1.0000 Version 2
!
ciscoasa hostname
activate oBGOJTSctBcCGoTh encrypted password
2KFQnbNIdI.2KYOU encrypted passwd
names of
!
interface GigabitEthernet0/0
nameif outside
security-level 0
address IP X.X.X.X 255.255.255.0
!
interface GigabitEthernet0/1
nameif inside
security-level 100
the IP 192.168.0.1 255.255.255.0
!
interface GigabitEthernet0/2
nameif DMZ
security-level 50
IP 192.168.2.1 255.255.255.0
!
interface GigabitEthernet0/3
Shutdown
No nameif
no level of security
no ip address
!
interface GigabitEthernet0/4
Shutdown
No nameif
no level of security
no ip address
!
interface GigabitEthernet0/5
Shutdown
No nameif
no level of security
no ip address
!
interface Management0/0
nameif management
security-level 100
IP 192.168.1.1 255.255.255.0
management only
!
passive FTP mode
internal subnet object-
192.168.0.0 subnet 255.255.255.0
object Web Server external network-ip
host Y.Y.Y.Y
Network Web server object
Home 192.168.2.100
network vpn-local object - 192.168.2.0
Subnet 192.168.2.0 255.255.255.0
network vpn-remote object - 192.168.3.0
subnet 192.168.3.0 255.255.255.0
outside_acl list extended access permit tcp any object Web server
outside_acl list extended access permit tcp any object webserver eq www
access-list l2l-extensive list allowed ip, vpn-local - 192.168.2.0 vpn-remote object - 192.168.3.0
dmz_acl access list extended icmp permitted an echo
pager lines 24
asdm of logging of information
Outside 1500 MTU
Within 1500 MTU
MTU 1500 DMZ
management of MTU 1500
ICMP unreachable rate-limit 1 burst-size 1
don't allow no asdm history
ARP timeout 14400
NAT (DMZ, outside) static static vpn-local destination - 192.168.2.0 vpn-local - 192.168.2.0, 192.168.3.0 - remote control-vpn vpn-remote control - 192.168.3.0
!
internal subnet object-
NAT dynamic interface (indoor, outdoor)
Network Web server object
NAT (DMZ, outside) Web-external-ip static tcp www www Server service
Access-Group global dmz_acl
Route outside 0.0.0.0 0.0.0.0 Z.Z.Z.Z 1
Timeout xlate 03:00
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
Floating conn timeout 0:00:00
dynamic-access-policy-registration DfltAccessPolicy
identity of the user by default-domain LOCAL
Enable http server
http 192.168.1.0 255.255.255.0 management
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown warmstart of cold start
IKEv1 crypto ipsec transform-set ikev1-trans-set esp-3des esp-md5-hmac
Crypto ipsec ikev2 proposal ipsec 3des-GNAT
Esp 3des encryption protocol
Esp integrity md5 Protocol
Crypto dynamic-map dynMidgeMap 1 match l2l-address list
Crypto dynamic-map dynMidgeMap 1 set pfs
Crypto dynamic-map dynMidgeMap 1 set ikev1 ikev1-trans-set transform-set
Crypto dynamic-map dynMidgeMap 1 set ikev2 ipsec-proposal 3des-GNAT
Crypto dynamic-map dynMidgeMap 1 life span of seconds set association security 28800
Crypto dynamic-map dynMidgeMap 1 the value reverse-road
midgeMap 1 card crypto ipsec-isakmp dynamic dynMidgeMap
midgeMap interface card crypto outside
ISAKMP crypto identity hostname
IKEv2 crypto policy 1
3des encryption
the md5 integrity
Group 2
FRP md5
second life 86400
Crypto ikev2 allow outside
Crypto ikev1 allow outside
IKEv1 crypto policy 1
preshared authentication
3des encryption
md5 hash
Group 2
life 86400
Telnet timeout 5
SSH timeout 5
Console timeout 0
management of 192.168.1.2 - dhcpd address 192.168.1.254
enable dhcpd management
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
internal midgeTrialPol group policy
attributes of the strategy of group midgeTrialPol
L2TP ipsec VPN-tunnel-Protocol ikev1, ikev2
enable IPSec-udp
tunnel-group midgeVpn type ipsec-l2l
tunnel-group midgeVpn General-attributes
Group Policy - by default-midgeTrialPol
midgeVpn group of tunnel ipsec-attributes
IKEv1 pre-shared-key *.
remote control-IKEv2 pre-shared-key authentication *.
pre-shared-key authentication local IKEv2 *.
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
maximum message length automatic of customer
message-length maximum 512
Policy-map global_policy
class inspection_default
inspect the preset_dns_map dns
inspect the ftp
inspect h323 h225
inspect the h323 ras
inspect the rsh
inspect the rtsp
inspect esmtp
inspect sqlnet
inspect the skinny
inspect sunrpc
inspect xdmcp
inspect the sip
inspect the netbios
inspect the tftp
Review the ip options
!
global service-policy global_policy
context of prompt hostname
no remote anonymous reporting call
Cryptochecksum:fa02572f9ff8add7bbfe622a4801e606
: end
------------------------------------------------------------------------------------------------------------------------------
X.X.X.X - ASA public IP
Y.Y.Y.Y - a web server
Z.Z.Z.Z - default gateway
-------------------------------------------------------------------------------------------------------------------------------
ASA PING:
ciscoasa # ping DMZ 192.168.3.1
Type to abort escape sequence.
Send 5, echoes ICMP 100 bytes to 192.168.3.1, time-out is 2 seconds:
?????
Success rate is 0% (0/5)
PING from router (debug on CISCO):
NAT ciscoasa #: untranslation - outside:192.168.2.1/0 to DMZ:192.168.2.1/0
NAT: untranslation - outside:192.168.2.1/0 to DMZ:192.168.2.1/0
NAT: untranslation - outside:192.168.2.1/0 to DMZ:192.168.2.1/0
Outside ICMP echo request: 192.168.3.1 DMZ:192.168.2.1 ID = 3859 seq = 0 len = 40
Outside ICMP echo request: 192.168.3.1 DMZ:192.168.2.1 ID = 3859 seq = 1 len = 40
Outside ICMP echo request: 192.168.3.1 DMZ:192.168.2.1 ID = 3859 seq = 2 len = 40
Outside ICMP echo request: 192.168.3.1 DMZ:192.168.2.1 ID = 3859 seq = len 3 = 40
-------------------------------------------------------------------------------------------------------------------------------
ciscoasa # show the road outside
Code: C - connected, S - static, RIP, M - mobile - IGRP, R - I, B - BGP
D - EIGRP, OSPF, IA - external EIGRP, O - EX - OSPF inter zone
N1 - type external OSPF NSSA 1, N2 - type external OSPF NSSA 2
E1 - OSPF external type 1, E2 - external OSPF of type 2, E - EGP
i - IS - L1 - IS - IS level 1, L2 - IS - IS IS level 2, AI - IS inter zone
* - candidate by default, U - static route by user, o - ODR
P periodical downloaded static route
Gateway of last resort is Z.Z.Z.Z to network 0.0.0.0
C Z.Z.Z.0 255.255.255.0 is directly connected to the outside of the
S 192.168.3.0 255.255.255.0 [1/0] via Z.Z.Z.Z, outdoors
S * 0.0.0.0 0.0.0.0 [1/0] via Z.Z.Z.Z, outdoors
-------------------------------------------------------------------------------------------------------------------------------
Do you have an idea that I am wrong? Probably some bad NAT/ACL I suppose, but I could always find something only for 8.4 iOS and not 8.6... Perhaps and no doubt I already missed the configuration with the unwanted controls, but I've tried various things...
Please, if you have an idea, let me know! Thank you very much!
Hello
I've never used "global" option in ACL, but it looks to be the origin of the problem. Cisco doc.
"The global access rules are defined as a special ACL that is processed for each interface on the device for incoming traffic in the interface. Thus, although the ACL is configured once on the device, it acts as an ACL defined for Management In secondary interface-specific. (Global rules are always in the direction of In, never Out Management). "
You ACL: access-list extended dmz_acl to any any icmp echo
For example, when you launch the ASA, there is an echo response from the router on the external interface--> global can block.
Then to initiate router, the ASA Launches echo-reply being blocked again.
Try to add permit-response to echo as well.
In addition, you can use both "inspect icmp" in world politics than the ACL.
If none does not work, you can run another t-shoot with control packet - trace on SAA.
THX
MS
-
We have 3 IPSec tunnel set up between the cisco 1760 router and PIX 515e. IPSec tunnel is down by intermittent & son come only after compensation isakmp crypto & clear crypto its next to the router.
do we need to configure something else in router and end of pix so that tunnels are still in Active state (QM_IDLE).
Looks like the PIX loses its connection and the router is unable to say that the PIX has dropped.
Try the isakmp keepalive on both devices configuration but also check network links extended features.
See you soon,.
Paul.
-
How to troubleshoot an IPSec tunnel GRE?
Hello
My topology includes two firewalls connected through the Internet "" (router) and behind each firewall, there is a router.
The routers I configured a GRE tunnel that is successful, then I configured an IPsec tunnel on the firewall.
I does not change the mode to transport mode in the transform-set configuration.
Everything works; If I connect a PC to the router, it can ping another PC on the other router. However if I change mode of transport mode that they cannot.
I was wondering how can I ensure that the IPSec tunnel WILL really works? How can I fix it or package tracking?
Thank you.
I was wondering how can I ensure that the IPSec tunnel WILL really works? How can I fix it or package tracking?
To verify that the VPN tunnel works well, check the output of
ISAKMP crypto to show his
Crypto ipsec to show hisHere are the commands of debug
Debug condition crypto x.x.x.x, where x.x.x.x IP = peer peer
Debug crypto isakmp 200
Debug crypto ipsec 200You will see ACTIVE int the first output and program non-zero and decaps on the output of the latter.
For the GRE tunnel.
check the condition of the tunnel via "int ip see the brief.In addition, you can configure keepalive via the command:
Router # configure terminal
Router (config) #interface tunnel0
Router(Config-if) 5 4 #keepaliveand then run "debug keepalive tunnel" to see packets hello tunnel going and coming from the router.
Kind regards
Dinesh MoudgilPS Please rate helpful messages.
-
Hi-
We have connected tunnel / VPN configuration between an ASA 5505 - worm = 8.4 (7) and 5512 - worm = 9.2 (3).
We can only ping in a sense - 5505 to the 5512, but not of vice-versa(5512 to 5505).Networks:
Local: 192.168.1.0 (answering machine)
Distance: 192.168.54.0 (initiator)See details below on our config:
SH run card cry
card crypto outside_map 2 match address outside_cryptomap_ibfw
card crypto outside_map 2 pfs set group5
outside_map 2 peer XX crypto card game. XX.XXX.XXX
card crypto outside_map 2 set transform-set ESP-AES-256-SHA ikev1
crypto map outside_map 2 set ikev2 AES256 ipsec-proposaloutside_map interface card crypto outside
Note:
Getting to hit numbers below on rules/ACL...SH-access list. I have 54.0
permit for access list 6 outside_access_out line scope ip 192.168.1.0 255.255.255.0 192.168.54.0 255.255.255.0 (hitcnt = 15931) 0x01aecbcc
permit for access list 1 outside_cryptomap_ibfw line extended ip object NETWORK_OBJ_192.168.1.0_24 object NETWORK_OBJ_192.168.54.0_24 (hitcnt = 3) 0xa75f0671
access-list 1 permit line outside_cryptomap_ibfw extended ip 192.168.1.0 255.255.255.0 192.168.54.0 255.255.255.0 (hitcnt = 3) 0xa75f0671SH run | I have access-group
Access-group outside_access_out outside interfaceNOTE:
WE have another working on the 5512 - VPN tunnel we use IKE peer #2 below (in BOLD)...HS cry his ikev1
IKEv1 SAs:
HIS active: 2
Generate a new key SA: 0 (a tunnel report Active 1 and 1 to generate a new key during the generate a new key)
Total SA IKE: 21 peer IKE: XX. XX.XXX.XXX
Type: L2L role: answering machine
Generate a new key: no State: MM_ACTIVE
2 IKE peers: XXX.XXX.XXX.XXX
Type: L2L role: answering machine
Generate a new key: no State: MM_ACTIVESH run tunnel-group XX. XX.XXX.XXX
tunnel-group XX. XX.XXX.XXX type ipsec-l2l
tunnel-group XX. XX.XXX.XXX General-attributes
Group - default policy - GroupPolicy_XX.XXX.XXX.XXX
tunnel-group XX. XX.XXX.XXX ipsec-attributes
IKEv1 pre-shared-key *.
remote control-IKEv2 pre-shared-key authentication *.SH run | I have political ikev1
ikev1 160 crypto policy
preshared authentication
aes-256 encryption
Group 5
life 86400SH run | I Dynamics
NAT interface dynamic obj - 0.0.0.0 source (indoor, outdoor)
NAT source auto after (indoor, outdoor) dynamic one interfaceNOTE:
To from 5512 at 5505-, we can ping a host on the remote network of ASA local# ping inside the 192.168.54.20
Type to abort escape sequence.
Send 5, echoes ICMP 100 bytes to 192.168.54.20, wait time is 2 seconds:
!!!!!
Success rate is 100 per cent (5/5), round-trip min/avg/max = 30/32/40 msDetermination of 192.168.1.79 - local host route to 192.168.54.20 - remote host - derivation tunnel?
The IPSEC tunnel check - seems OK?
SH crypto ipsec his
Interface: outside
Tag crypto map: outside_map, seq num: 2, local addr: XX.XXX.XXX.XXXoutside_cryptomap_ibfw to access ip 192.168.1.0 scope list allow 255.255.255.0 192.168.54.0 255.255.255.0
local ident (addr, mask, prot, port): (192.168.1.0/255.255.255.0/0/0)
Remote ident (addr, mask, prot, port): (192.168.54.0/255.255.255.0/0/0)
current_peer: XX. XX.XXX.XXX#pkts program: 4609, #pkts encrypt: 4609, #pkts digest: 4609
#pkts decaps: 3851, #pkts decrypt: 3851, #pkts check: 3851
compressed #pkts: 0, unzipped #pkts: 0
#pkts uncompressed: 4609, model of #pkts failed: 0, #pkts Dang failed: 0
success #frag before: 0, failures before #frag: 0, #fragments created: 0
Sent #PMTUs: 0, #PMTUs rcvd: 0, reassembly: 20th century / of frgs #decapsulated: 0
#TFC rcvd: 0, #TFC sent: 0
#Valid errors ICMP rcvd: 0, #Invalid ICMP errors received: 0
#send errors: 0, #recv errors: 0local crypto endpt. : XX.XXX.XXX.XXX/0, remote Start crypto. : XX. XX.XXX.XXX/0
Path mtu 1500, ipsec 74 (44) generals, media, mtu 1500
PMTU time remaining: 0, political of DF: copy / df
Validation of ICMP error: disabled, TFC packets: disabled
current outbound SPI: CDC99C9F
current inbound SPI: 06821CBBSAS of the esp on arrival:
SPI: 0x06821CBB (109190331)
transform: aes-256-esp esp-sha-hmac no compression
running parameters = {L2L, Tunnel, group 5 PFS, IKEv1}
slot: 0, id_conn: 339968, crypto-card: outside_map
calendar of his: service life remaining (KB/s) key: (3914789/25743)
Size IV: 16 bytes
support for replay detection: Y
Anti-replay bitmap:
0xFFFFFFFF to 0xFFFFFFFF
outgoing esp sas:
SPI: 0xCDC99C9F (3452542111)
transform: aes-256-esp esp-sha-hmac no compression
running parameters = {L2L, Tunnel, group 5 PFS, IKEv1}
slot: 0, id_conn: 339968, crypto-card: outside_map
calendar of his: service life remaining (KB/s) key: (3913553/25743)
Size IV: 16 bytes
support for replay detection: Y
Anti-replay bitmap:
0x00000000 0x00000001--> The local ASA 5512 - where we have questions - tried Packet Tracer... seems we receive requests/responses...
SH cap CAP
34 packets captured
1: 16:41:08.120477 192.168.1.79 > 192.168.54.20: icmp: echo request
2: 16:41:08.278138 192.168.54.20 > 192.168.1.79: icmp: echo request
3: 16:41:08.278427 192.168.1.79 > 192.168.54.20: icmp: echo reply
4: 16:41:09.291992 192.168.54.20 > 192.168.1.79: icmp: echo request
5: 16:41:09.292282 192.168.1.79 > 192.168.54.20: icmp: echo reply--> On the ASA 5505 distance - we can ping through the 5512 to the local host (192.168.1.79)
SH cap A2
42 packets captured
1: 16:56:16.136559 802. 1 q vlan P0 192.168.54.20 #1 > 192.168.1.79: icmp: echo request
2: 16:56:16.168860 802. 1 q vlan P0 192.168.1.79 #1 > 192.168.54.20: icmp: echo reply
3: 16:56:17.140434 802. 1 q vlan P0 192.168.54.20 #1 > 192.168.1.79: icmp: echo request
4: 16:56:17.171652 802. 1 q vlan P0 192.168.1.79 #1 > 192.168.54.20: icmp: echo reply
5: 16:56:18.154426 802. 1 q vlan P0 192.168.54.20 #1 > 192.168.1.79: icmp: echo request
6: 16:56:18.186178 802. 1 q vlan P0 192.168.1.79 #1 > 192.168.54.20: icmp: echo reply
7: 16:56:19.168417 802. 1 q vlan P0 192.168.54.20 #1 > 192.168.1.79: icmp: echo request--> Package trace on 5512 does no problem... but we cannot ping from host to host?
entry Packet-trace within the icmp 192.168.1.79 8 0 detailed 192.168.54.20
Phase: 4
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map default class
match any
Policy-map global_policy
class class by default
Decrement-ttl connection set
global service-policy global_policy
Additional information:
Direct flow from returns search rule:
ID = 0x7fffa2d0ba90, priority = 7, area = conn-set, deny = false
hits = 4417526, user_data = 0x7fffa2d09040, cs_id = 0 x 0, use_real_addr, flags = 0 x 0 = 0 protocol
IP/ID=0.0.0.0 SRC, mask = 0.0.0.0, port = 0, = 0 tag
IP/ID=0.0.0.0 DST, mask is 0.0.0.0, port = 0, tag = 0, dscp = 0 x 0
input_ifc = output_ifc = any to inside,Phase: 5
Type: NAT
Subtype:
Result: ALLOW
Config:
NAT interface dynamic obj - 0.0.0.0 source (indoor, outdoor)
Additional information:
Definition of dynamic 192.168.1.79/0 to XX.XXX.XXX.XXX/43904
Direct flow from returns search rule:
ID = 0x7fffa222d130, priority = 6, area = nat, deny = false
hits = 4341877, user_data = 0x7fffa222b970, cs_id = 0 x 0, flags = 0 x 0 = 0 protocol
IP/ID=0.0.0.0 SRC, mask = 0.0.0.0, port = 0, = 0 tag
IP/ID=0.0.0.0 DST, mask is 0.0.0.0, port = 0, tag = 0, dscp = 0 x 0
input_ifc = inside, outside = output_ifc...
Phase: 14
Type: CREATING STREAMS
Subtype:
Result: ALLOW
Config:
Additional information:
New workflow created with the 7422689 id, package sent to the next module
Information module for forward flow...
snp_fp_tracer_drop
snp_fp_inspect_ip_options
snp_fp_inspect_icmp
snp_fp_translate
snp_fp_adjacency
snp_fp_fragment
snp_ifc_statInformation for reverse flow...
snp_fp_tracer_drop
snp_fp_inspect_ip_options
snp_fp_translate
snp_fp_inspect_icmp
snp_fp_adjacency
snp_fp_fragment
snp_ifc_statResult:
input interface: inside
entry status: to the top
entry-line-status: to the top
output interface: outside
the status of the output: to the top
output-line-status: to the top
Action: allow--> On remote ASA 5505 - Packet track is good and we can ping remote host very well... dunno why he "of Nations United-NAT?
Destination - initiator:
entry Packet-trace within the icmp 192.168.54.20 8 0 detailed 192.168.1.79
...
Phase: 4
Type: UN - NAT
Subtype: static
Result: ALLOW
Config:
NAT (inside, outside) static source NETWORK_OBJ_192.168.54.0_24 NETWORK_OBJ_192.168.54.0_24 NETWORK_OBJ_192.168.1.0_24 NETWORK_OBJ_192.168.1.0_24 non-proxy-arp-search of route static destination
Additional information:
NAT divert on exit to the outside interface
Untranslate 192.168.1.79/0 to 192.168.1.79/0
...Summary:
We "don't" ping from a host (192,168.1.79) on 5512 - within the network of the 5505 - inside the network host (192.168.54.20).
But we can ping the 5505 - inside the network host (192.168.54.20) 5512 - inside the network host (192.168.1.79).Please let us know what other details we can provide to help solve, thanks for any help in advance.
-SP
Well, I think it is a NAT ordering the issue.
Basically as static and this NAT rule-
NAT interface dynamic obj - 0.0.0.0 source (indoor, outdoor)
are both in article 1 and in this article, it is done on the order of the rules so it does match the dynamic NAT rule rather than static because that seems to be higher in the order.
To check just run a 'sh nat"and this will show you what order everthing is in.
The ASA is working its way through the sections.
You also have this-
NAT source auto after (indoor, outdoor) dynamic one interface
which does the same thing as first statement but is in section 3, it is never used.
If you do one of two things-
(1) configure the static NAT statement is above the dynamic NAT in section 1 that is to say. You can specify the command line
or
(2) remove the dynamic NAT of section 1 and then your ASA will use the entry in section 3.
There is a very good document on this site for NAT and it is recommended to use section 3 for your general purpose NAT dynamic due precisely these questions.
It is interesting on your ASA 5505 you duplicated your instructions of dynamic NAT again but this time with article 2 and the instructions in section 3 that is why your static NAT works because he's put in correspondence before all your dynamic rules.
The only thing I'm not sure of is you remove the dynamic NAT statement in article 1 and rely on the statement in section 3, if she tears the current connections (sorry can't remember).
Then you can simply try to rearrange so your static NAT is above it just to see if it works.
Just in case you want to see the document here is the link-
Jon
-
IPSEC tunnel between 2 7606 PE
I am creating an IPSec tunnel between two 7606 PE routers... get this error when I ping everywhere and if I start using the path descends LDP.
12 Nov 16:32:22.801 IS: IPSEC (key_engine): request timer shot: count = 1,.
local (identity) = 10.10.135.1, distance = 10.10.135.2.
local_proxy = 10.10.0.0/255.255.0.0/0/0 (type = 4),
remote_proxy = 10.10.0.0/255.255.0.0/0/0 (type = 4)
12 Nov 16:32:22.801 IS: IPSEC (sa_request):,.
(Eng. msg key.) Local OUTGOING = 10.10.135.1, distance = 10.10.135.2.
local_proxy = 10.10.0.0/255.255.0.0/0/0 (type = 4),
remote_proxy = 10.10.0.0/255.255.0.0/0/0 (type = 4),
Protocol = ESP, transform = NONE (Tunnel),
lifedur = 190 s and 4608000 Ko,.
SPI = 0 x 0 (0), id_conn = 0, keysize = 256, flags = 0 x 0
12 Nov 16:32:22.801 IS: ISAKMP: (0): profile of ITS application is test
12 Nov 16:32:22.801 IS: ISAKMP: created a struct peer 10.10.135.2, peer port 500
12 Nov 16:32:22.801 IS: ISAKMP: new position created post = 0x5326A08C peer_handle = 0x8000001A
12 Nov 16:32:22.801 IS: ISAKMP: lock struct 0x5326A08C, refcount 1 to peer isakmp_initiator
12 Nov 16:32:22.801 IS: ISAKMP: 500 local port, remote port 500
12 Nov 16:32:22.801 IS: ISAKMP: impossible to allocate IKE SA
12 Nov 16:32:22.801 IS: ISAKMP: Unlocking counterpart struct 0x5326A08C for isadb_unlock_peer_delete_sa(), count 0
12 Nov 16:32:22.801 IS: ISAKMP: delete peer node by peer_reap for 10.10.135.2: 5326A08C
12 Nov 16:32:22.801 IS: ISAKMP: (0): purge SA., his = 0, delme = 532E8364
PE2 #.
12 Nov 16:32:22.801 IS: ISAKMP: error during the processing of HIS application: failed to initialize SA
12 Nov 16:32:22.801 IS: ISAKMP: error while processing message KMI 0, error 2.
12 Nov 16:32:22.801 IS: IPSEC (key_engine): had an event of the queue with 1 KMI message (s)
PE2 #.
12 Nov 16:32:52.801 IS: IPSEC (key_engine): request timer shot: count = 2,.
local (identity) = 10.10.135.1, distance = 10.10.135.2.
local_proxy = 10.10.0.0/255.255.0.0/0/0 (type = 4),
remote_proxy = 10.10.0.0/255.255.0.0/0/0 (type = 4)
IPsec only is not supported on the 6500 and 7600 without module series IPsec (IPsec-SPA or VPNSM), sorry.
-
I have 2 Cat6, with IPsec SPA card, while the other did not.
I tried setting IPsec tunnel between them, but somehow can't bring up the tunnel, can someone help me to watch set it up?
A (with SPA):
crypto ISAKMP policy 1
BA aes 256
preshared authentication
Group 5
ISAKMP crypto cisco123 key address 0.0.0.0 0.0.0.0
ISAKMP crypto keepalive 10
Crypto ipsec transform-set esp - aes 256 esp-sha-hmac testT1
!
Crypto ipsec profile P1
Set transform-set testT1
!
Crypto call admission limit ike his 3000
!
Crypto call admission limit ike in-negotiation-sa 115
!
interface Tunnel962
Loopback962 IP unnumbered
tunnel GigabitEthernet2/37.962 source
tunnel destination 172.16.16.6
ipv4 ipsec tunnel mode
Profile of tunnel P1 ipsec protection
interface GigabitEthernet2/37.962
encapsulation dot1Q 962
IP 172.16.16.5 255.255.255.252
interface Loopback962
1.1.4.200 the IP 255.255.255.255
IP route 2.2.4.200 255.255.255.255 Tunnel962
B (wuthout SPA):
crypto ISAKMP policy 1
BA aes 256
preshared authentication
Group 5
ISAKMP crypto cisco123 key address 0.0.0.0 0.0.0.0
!
!
Crypto ipsec transform-set esp - aes 256 esp-sha-hmac T1
!
Crypto ipsec profile P1
game of transformation-T1
interface Tunnel200
Loopback200 IP unnumbered
tunnel GigabitEthernet2/1.1 source
tunnel destination 172.16.16.5
ipv4 ipsec tunnel mode
Profile of tunnel T1 ipsec protection
interface Loopback200
2.2.4.200 the IP 255.255.255.255
interface GigabitEthernet2/1.1
encapsulation dot1Q 962
IP 172.16.16.6 255.255.255.252
IP route 1.1.4.200 255.255.255.255 Tunnel200
I can ping from 172.16.16.6 to 172.16.16.5, but the tunnel just can not upwards. When I turned on "debugging ipsec cry ' and ' debug cry isa", nothing comes out, when I trun on 'cry of debugging sciences', I got:
"00:25:17: crypto_engine_select_crypto_engine: can't handle more."
Hello
You need a map of IPSEC SPA on chassis B do IPSEC encryption. Please see the below URL for more details.
Without a SPA-IPSEC - 2G or IPsec VPN Services Module of acceleration, the IPsec network security feature (configured with the crypto ipsec command) is supported in the software only for administrative for Catalyst 6500 series switches and routers for the Cisco 7600 Series connections.
Kind regards
Arul
* Rate pls if it helps *.
-
Using Loopback Interface as Source GRE/IPSec tunnel
Hi all:
I need one to spend a working router to router VPN tunnel using an IP WAN IP interface loopback as a source. I am able to ping the loopback from the other router. As soon as I change the source of tunnel to use the loopback IP address, change the encryption ACL map, and move the cryptographic card of the WAN interface to the loopback interface, the tunnel will not come to the top. If I remove all the crypto config, the tunnel comes up fine as just a GRE tunnel. On the other router, I see the message that says that's not encrypting the traffic below.
* 00:10:33.515 Mar 1: % CRYPTO-4-RECVD_PKT_NOT_IPSEC: Rec'd package not an IPSEC packet. (ip) vrf/adr_dest = 192.168.0.1, src_addr = 192.168.1.2, prot = 47
What Miss me? Is there something else that needs to be done to use the closure of a GRE/IPSec tunnel?
I have install below config in the laboratory to see if I can get it even work in a non-production environment.
R1 WAN IP: 192.168.0.1
R2 WAN IP: 192.168.0.2
R2 Closure: 192.168.1.2
hostname R2
!
crypto ISAKMP policy 1
BA 3des
md5 hash
preshared authentication
Group 2
ISAKMP crypto key abc123 address 192.168.0.1
!
Crypto ipsec transform-set esp-3des esp-md5-hmac T1
transport mode
!
crypto map 1 VPN ipsec-isakmp
Description remote control
defined peer 192.168.0.1
game of transformation-T1
match address VPN1
!
interface Loopback0
IP 192.168.1.2 255.255.255.255
VPN crypto card
!
Tunnel1 interface
IP 172.30.240.2 255.255.255.252
IP mtu 1440
KeepAlive 10 3
tunnel source 192.168.1.2
tunnel destination 192.168.0.1
VPN crypto card
!
interface FastEthernet0
IP 192.168.0.2 255.255.255.0
!
VPN1 extended IP access list
allow ACCORD 192.168.1.2 host 192.168.0.1
you have tried to add "card crypto VPN 1 - address Loopback0".
-
IPSec Tunnel upward, but not accessible from local networks
Hello
I have an ASA5520 and a Snapgear. The IPSec tunnel is in place and works very well. But I am not able to access the local LAN on both sides. Here are a few setups:
SH crypt isakmp his
Active SA: 1
Rekey SA: 0 (A tunnel will report 1 Active and 1 Rekey SA during rekey)
Total IKE SA: 1
1 IKE Peer: 10.10.10.2
Type : L2L Role : responder
Rekey : no State : AM_ACTIVECrypto/isakmp:
crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac
crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
crypto ipsec transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac
crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
crypto ipsec transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set pfs group1
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA ESP-3DES-MD5 ESP-DES-SHA ESP-DES-MD5
crypto map outside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
crypto map outside_map interface outside
crypto map IPSECTEST_map0 1 match address IPSECTEST_cryptomap
crypto map IPSECTEST_map0 1 set peer 10.10.10.2
crypto map IPSECTEST_map0 1 set transform-set ESP-3DES-SHA
crypto map IPSECTEST_map0 1 set nat-t-disable
crypto map IPSECTEST_map0 1 set phase1-mode aggressive
crypto map IPSECTEST_map0 interface IPSECTEST
crypto isakmp enable outside
crypto isakmp enable IPSECTEST
crypto isakmp policy 10
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 3600Route SH:
C 172.16.3.0 255.255.255.0 is directly connected, VLAN10
C 10.10.10.0 255.255.255.0 is directly connected, IPSECTEST
C 192.168.112.0 255.255.254.0 is directly connected, insideaccess-list:
IPSECTEST_cryptomap list extended access allowed object-group DM_INLINE_PROTOCOL_1 172.16.3.0 255.255.255.0 object 172.20.20.0
and here's the scenario:
If I make a ping of the asa to the Remote LAN, I got this:
ciscoasa (config) # ping 172.20.20.1
Type to abort escape sequence.
Send 5, echoes ICMP 100 bytes to 10.172.20.20.1, wait time is 2 seconds:
No route to the host 172.20.20.1Success rate is 0% (0/1)
No idea what I lack?
Here's how to set up NAT ASA 8.3 exemption:
network object obj - 172.16.3.0
172.16.3.0 subnet 255.255.255.0network object obj - 172.20.20.0
172.20.20.0 subnet 255.255.255.0NAT (inside, outside) source static obj - 172.16.3.0 obj - 172.16.3.0 destination static obj - 172.20.20.0 obj - 172.20.20.0
Here's how it looks to the ASA 8.2 and below:
Inside_nat0_outbound to access extended list ip 172.16.3.0 allow 255.255.255.0 172.20.20.0 255.255.255.0
NAT (inside) 0-list of access Inside_nat0_outbound -
IPSec tunnel and NetFlow packets
I have a router 1841 IPSec running with an ASA. F0/0 is the source interface. I also set up NetFlow, which must be sent through the IPSec tunnel to the parser. The acl setting the IPSec interesting traffic covers addresses, source and destination of NetFlow. But NetFlow Traffic is not captured by the tunnel. When I ping the destination router, icmp traffic is picked up and goes through the tunnel. Are there ways to force NetFlow traffic to go to the tunnel?
Thank you.
Y at - it a route to the destination address of netflow? I have noted problems with traffic heading towards a destination that was not in the routing table is not made down a VPN.
-
force the IPSec tunnel to stay in place even if no traffic
Hello
We had exactly the same problem, as already described here;
https://supportforums.Cisco.com/discussion/11666661/can-we-automatically...
We actually run ASA 9.1 and the remote peer is a Fortigate. There is a new feature that has been introduced since the post on the forum above or fact creating an sla is the only way to follow IPsec tunnel.
Concerning
Nothing new was built in the SAA to take account of this requirement.
I also had good results a script running on an internal host to send a "tcp" ping to a remote host, thus making sure traffic interesting was often enough to maintain the tunnel.
-
IPSec tunnel between 2 routers
Hello
I am trying to configure an IPSec VPN tunnel between 2 routers Cisco, connected to the internet via the ATM interface, my router is a 1841 with the network 10.200.36.0 address the remote router is a Cisco network 192.168.9.0 address with 877.
I have tryied to follow some tutorials, unsuccessfully, because I can't always ping all IP addresses on the remote network and also the VPN tunnel is not up!
Can help you please give me a configuration model, or maybe let me know how to configure step by step on mine and remote router?
Thank you very much!
Concerning
Riccardo
Here is an example. x.x.x.x and y.y.y.y are the public IPs of routers:
ROUTER1 hostname
!
crypto ISAKMP policy 10
BA aes 256
AUTH pre
Group 5
!
ISAKMP crypto key cisco1234 address y.y.y.y
!
Crypto ipsec transform-set ESP-AES256-SHA1 esp - aes 256 esp-sha-hmac
!
Profile of crypto ipsec TunnelProfile
the transform ESP-AES256-SHA1 value
!
interface Tunnel0
IP 10.255.255.0 255.255.255.254
tunnel Dialer source 0
tunnel destination y.y.y.y
ipv4 ipsec tunnel mode
Tunnel TunnelProfile ipsec protection profile
!
interface Dialer0
IP x.x.x.x
!
IP route 192.168.9.0 255.255.255.0 Tunnel0
hostname ROUTER2
!
crypto ISAKMP policy 10
BA aes 256
AUTH pre
Group 5
!
ISAKMP crypto cisco1234 key address x.x.x.x
!
Crypto ipsec ESP-AES256-SHA1 transform-set esp - aes 256 esp-sha-hmac
!
Profile of crypto ipsec TunnelProfile
the transform ESP-AES256-SHA1 value
!
interface Tunnel0
IP 10.255.255.1 255.255.255.254
tunnel Dialer source 0
tunnel destination x.x.x.x
ipv4 ipsec tunnel mode
Tunnel TunnelProfile ipsec protection profile
!
interface Dialer0
IP address y.y.y.y
!
IP route 10.200.36.0 255.255.255.0 Tunnel0
--
Don't stop once you have upgraded your network! Improve the world by lending money to low-income workers:
http://www.Kiva.org/invitedBy/karsteni -
IPSec tunnels between duplicate LAN subnets
Hi all
Please help to connect three sites with our Central site has all the resources for users, including internet access.
The three sites will be the ASA 5505 like their WAN device.
We need to know is - it possible, allowing to configure an IPsec Tunnel between the three ASA with duplicate LAN subnets.
Central site two networks 192.168.1.x 24, 192.168.100.x 24
Distance a 24 192.168.1.x subnet
Two remote a subnet 192.168.100.x 24
If it is possible we also do hair distance one ping, above two remote to the Central Site to access internet, what sites need are on the Central Site, including e-mail, network, other resource also records.
We have no other way to make this network, as all security is on our Central Site, website filtering, Application filtering, filtering of network traffic all.
We understand that we can change two remote sites to a different subnet from the Central Site, but we have so many host devices, it will take weeks or months, so to change the MS AD domain for all users, servers too.
We really need your expertise to do this in a laboratory and then in production.
Thank you
Hello Stephen,
You can check the following links for the subnets overlap talk to each other:-
1 LAN-to-LAN IPsec VPN with overlapping networks
http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a0080b37d0b.shtml
2 IPsec between two IOS routers with overlapping of private networks
http://www.Cisco.com/en/us/products/ps5855/products_configuration_example09186a0080a0ece4.shtml
Important point is local network must connect to the remote network via the translated addresses.
for example, you won't be ablt to use real IP of the communication.
For haripinning or turning U:
http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a00805734ae.shtml
Hope that helps.
Kind regards
Dinesh Moudgil
-
VPN site to site - IPSEC TUNNEL
I have 2 servers that communicate with each other, using a middleware which has no NAT support.
This middleware, named RTI DDS uses multicast packets.
I need to place the 2 servers in 2 different cities.
On each location, I have a router connected to the other end with a dedicated line.
The version of the IOS on the cisco routers is ADVANCED (the one with the cryptographic features)
The middleware using NAT (which cache servers IP address) cannot work.
A VPN between my two sites can solve my problems of communication?
If so, I'll show what I did (maybe I did something wrong in the creation of VPN).
Because I am tring to create a VPN with an IPSEC TUNNEL
Thank you.
Emanuele
Emanuele
The first several times I have lived these configs I was concentrating on the ISAKMP and IPSec - aspects and did not find a problem with them. Then after you posted my answer I went through the congfigs once again, and I think I see the problem. There is no routing information in the configs. If Site_Router does not know where 172.27.1.0/24. When the server on its local network attempts to ping the server else she has no way to transfer the package. And the same CO_Router don't know how to get to 172.27.2.0.
If solve you the problem with the routing information, I think that the ISAKMP negotiation can work.
HTH
Rick
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