SonicWALL VPN WAN failover
Hello guys. I need to do it quickly for a customer. They have the following topology. Not real Ip addresses but it's their configuration.
http://i.imgur.com/lFSTBeV.jpg?1
Basically, they have this race. So what I have to do?
Well now if the MPLS link fails. They need to change it manually to the VPN. So I need to find a solution to the socket on the MPLS VPN after a failure.
I read this Sonicwall KB.
https://support.software.Dell.com/kb/sw8445
I think is what I need. However I do not understand something. In this step you create a traffic from track to track static to the target of the probe. (Network > routing). I don't see where they create the VPN static route. They create the road MPLS but where is the 'static route Floating' they missed a step? Part weirdst in this article, is that the backup VPN is a policy based. I can't change the metric in this type of VPN. I missed something?
My other idea was to OSPF configuration, but let me know which is the best solution?
Thank you
OK, placing the tunnel VPN site to site "tunnel interface" mode will allow you to create a route for the VPN traffic.
This will give you 2 routes created manually, one for MPLS one for the VPN.
You can then use probes to disable MPLS route when the probe fails causing the VPN route to support until the SPLM is back.
Kevin
Tags: Dell Tech
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Hello
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Please take a look at http://bit.ly/rkh9IM
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SonicWall VPN PIX - does not, could someone help?
Hi all
I'm trying to set up an a 506th PIX VPN tunnel (firmware 6.3 (2)), a firewall SonicWall Pro. It does not at the moment. Phase 1 is ok but the phase 2 is not, the VPN tunnel has not been established, and the security association is removed after a minute or two. I enclose below the PIX config and an attempt to create VPN tunnel debugging output (slightly modified and cut for reasons of confidentiality). The PIX already has other two VPN configured which work perfectly.
I would be very grateful to anyone who could help me answer the following questions about this VPN configuration:
1. to debug output, which means the next?
ISAKMP (0): retransmission of the phase 2 (0/0)... mess_id 0xafc08a94
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: error msg not encrypted
2. in the config, I don't know if the 3 static controls are necessary and how it might interact... What do you think?
3. in what order things happen in the PIX when traffic is from the local network to remote network by VPN? What is NAT then treatment then setting up VPN to access list? or or treatment, then NAT and VPN to access list? or another possibility?
4. How can I get it work?
Thank you very much in advance for any help provided,
A.G.
########### NAMING #################################
vpnpix1 - is the local cisco PIX
remotevpnpeer - is the Sonicwall firewall remote
Intranet - is the local network behind PIX
remotevpnLAN - is the remote network behind the SonicWall
################ CONFIG #############################
6.3 (2) version PIX
interface ethernet0 10full
interface ethernet1 10full
ethernet0 nameif outside security0
nameif ethernet1 inside the security100
.../...
hostname vpnpix1
.../...
names of
name A.B.C.D vpnpix1-e1
name X.Y.Z.T vpnpix1-e0
name E.F.G.H defaultgw
intranet name 10.0.0.0
name 192.168.250.0 nat-intranet
name J.K.L.M internetgw
name 10.M.N.P server1
name Server2 10.M.N.Q
name 10.M.N.R server3
name 192.168.252.0 remotevpnLAN
name 10.1.71.0 nat-remotevpnLAN
.../...
object-group network server-group
description servers used by conencted to users remote LAN through a VPN tunnel
network-host server1 object
host Server2 network-object
network-host server3 object
.../...
access allowed INCOMING tcp nat-remotevpnLAN 255.255.255.0 list object-group server-eq - ica citrix
.../...
OUTBOUND ip intranet 255.0.0.0 allowed access list nat-remotevpnLAN 255.255.255.0
access list permits INTRANET-to-remotevpnLAN-VPN ip intranet 255.0.0.0 255.255.255.0 remotevpnLAN
access-list SHEEP, remotevpnLAN permits intranet ip 255.0.0.0 255.255.255.0 nat-remotevpnLAN
.../...
IP address outside the vpnpix1-e0 255.255.255.240
IP address inside the vpnpix1-e1 255.255.252.0
.../...
Global 192.168.250.1 1 (outside)
NAT (inside) 0 access-list SHEEP-to-remotevpnLAN
NAT (inside) 1 intranet 255.0.0.0 0 0
.../...
static (inside, outside) server1 server1 netmask 255.255.255.255 0 0
public static server2 (indoor, outdoor) server2 netmask 255.255.255.255 0 0
public static server3 (indoor, outdoor) server3 netmask 255.255.255.255 0 0
static (exterior, Interior) nat-remotevpnLAN remotevpnLAN netmask 255.255.255.0 0 0
.../...
Access-group ENTERING into the interface outside
Access-group OUTGOING in the interface inside
Route outside 0.0.0.0 0.0.0.0 internetgw 1
Route inside the intranet 255.0.0.0 defaultgw 1
.../...
Permitted connection ipsec sysopt
.../...
Crypto ipsec transform-set esp-3des esp-md5-hmac VPN - TS1
.../...
map BusinessPartners 30 ipsec-isakmp crypto
card crypto BusinessPartners 30 matches the INTRANET-to-remotevpnLAN-VPN address
card crypto BusinessPartners 30 set peer remotevpnpeer
card crypto BusinessPartners 30 game of transformation-VPN-TS1
BusinessPartners outside crypto map interface
ISAKMP allows outside
.../...
ISAKMP key * address remotevpnpeer netmask 255.255.255.255
ISAKMP identity address
part of pre authentication ISAKMP policy 10
ISAKMP policy 10 3des encryption
ISAKMP policy 10 md5 hash
10 2 ISAKMP policy group
ISAKMP life duration strategy 10 28800
part of pre authentication ISAKMP policy 20
ISAKMP policy 20 3des encryption
ISAKMP policy 20 chopping sha
20 2 ISAKMP policy group
ISAKMP duration strategy of life 20 28800
part of pre authentication ISAKMP policy 30
ISAKMP policy 30 3des encryption
ISAKMP policy 30 md5 hash
30 1 ISAKMP policy group
ISAKMP duration strategy of life 30 28800
.../...
: end
################## DEBUG ############################
vpnpix1 # debug crypto isakmp
vpnpix1 #.
ISAKMP (0): early changes of Main Mode
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
Exchange OAK_MM
ISAKMP (0): treatment ITS payload. Message ID = 0
ISAKMP (0): audit ISAKMP transform 1 against the policy of priority 10
ISAKMP: 3DES-CBC encryption
ISAKMP: MD5 hash
ISAKMP: default group 2
ISAKMP: preshared auth
ISAKMP: type of life in seconds
ISAKMP: duration of life (basic) of 28800
ISAKMP (0): atts are acceptable. Next payload is 0
ISAKMP (0): ITS been pre-shared key, using id ID_IPV4_ADDR type authentication
to return to the State is IKMP_NO_ERROR
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
Exchange OAK_MM
ISAKMP (0): processing KE payload. Message ID = 0
ISAKMP (0): processing NONCE payload. Message ID = 0
ISAKMP (0): load useful treatment vendor id
ISAKMP (0): ID payload
next payload: 8
type: 1
Protocol: 17
Port: 500
Length: 8
ISAKMP (0): the total payload length: 12
to return to the State is IKMP_NO_ERROR
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
Exchange OAK_MM
ISAKMP (0): processing ID payload. Message ID = 0
ISAKMP (0): HASH payload processing. Message ID = 0
ISAKMP (0): SA has been authenticated.
ISAKMP (0): start Quick Mode Exchange, M - ID - 1346336108:afc08a94
to return to the State is IKMP_NO_ERROR
ISAKMP (0): send to notify INITIAL_CONTACT
ISAKMP (0): sending message 24578 NOTIFY 1 protocol
Peer VPN: ISAKMP: approved new addition: ip:remotevpnpeer / 500 Total VPN peer: 3
Peer VPN: ISAKMP: Peer ip:remotevpnpeer / 500 Ref cnt incremented: 1 Total VPN peer: 3
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP (0): processing NOTIFY payload Protocol 14 1
SPI 0, message ID = 476084314
to return to the State is IKMP_NO_ERR_NO_TRANS
ISAKMP (0): retransmission of the phase 2 (0/0)... mess_id 0xafc08a94
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: error msg not encrypted
ISAKMP (0): start Quick Mode Exchange, M - ID 1919346690:7266e802
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: error msg not encrypted
ISAKMP (0): retransmission of the phase 2 (1: 1)... mess_id 0xafc08a94
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: error msg not encrypted
ISAKMP (0): retransmission of the phase 2 (0/2)... mess_id 0x7266e802
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: error msg not encrypted
ISAKMP (0): retransmission of the phase 2 (2/3)... mess_id 0xafc08a94
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: error msg not encrypted
ISAKMP (0): retransmission of the phase 2 (1/4)... mess_id 0x7266e802
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: error msg not encrypted
ISAKMP (0): start Quick Mode Exchange, M - ID - 1475513565:a80d7323
ISAKMP (0): delete SA: CBC vpnpix1-e0, dst remotevpnpeer
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: drop msg deleted his
ISADB: Reaper checking HIS 0x10ff1ac, id_conn = 0 DELETE IT!
Peer VPN: ISAKMP: Peer ip:remotevpnpeer / 500 Ref cnt decremented for: 0 Total of VPN peer: 3
Peer VPN: ISAKMP: deleted peer: ip:remotevpnpeer / 500 Total VPN peers: 2
ISADB: Reaper checking HIS 0 x 1100984, id_conn = 0
ISADB: Reaper checking HIS 0x10fcddc, id_conn = 0
crypto_isakmp_process_block:src:remotevpnpeer, dest:vpnpix1 - dpt:500 e0 spt:500
ISAKMP: its not located for ike msg
#####################################################
Get rid of:
static (exterior, Interior) nat-remotevpnLAN remotevpnLAN netmask 255.255.255.0 0 0
You don't need it. Change:
OUTBOUND ip intranet 255.0.0.0 allowed access list nat-remotevpnLAN 255.255.255.0
access-list SHEEP, remotevpnLAN permits intranet ip 255.0.0.0 255.255.255.0 nat-remotevpnLAN
TO:
access list permits OUTGOING ip intranet 255.0.0.0 255.255.255.0 remotevpnLAN
access-list SHEEP, remotevpnLAN permits intranet ip 255.0.0.0 255.255.255.0 remotevpnLAN
This indicates the PIX not NAT IPSec traffic. NAT happens BEFORE IPSec in the PIX, so if you the traffic IPSec nat it will never match your crypto access list and will not be encrypted.
This, however, should not stop the tunnel of Phase 2 of the course of construction, they would stop flowing above the tunnel, traffic, so you still have a problem somewhere. What I'm guessing, is that the Sonicwall (SW) has a different encryption-defined list access, it must be the EXACT OPPOSITE of what is configured on the PIX. In other words, the SW should be encrypting the traffic of "remotevpnLAN-24" "intranet/8", make sure that the subnet mask ar ETHE same too. "
To answer your questions:
1. it simply means that the PIX has not received a response and is to retransmit the last ISAKMP packet. The process_block simply means that the PIX has dropped a package that was to be encrypted because the IPSec tunnel has not been built. If you get the tunnel built, these messages will disappear.
2. the 3 first static does not appear to be linked to the tunnel IPSec, if they are simply to access a server inside, then they will not affect this VPN tunnel. The last of them should be deleted, as I already said.
3. for traffic initiated from inside the PIX, the order is incoming ACL, then NAT, IPSec processing. That's why your OUTGOING ACL must allow traffic first, then your NAT 0 statement refuses to be NAT had, then the encryption function is the traffic and the number.
4 do what I said above :-)
If you still have no luck, re - run debugs, but initiate traffic behind the Sonicwall, in this way the Sonicwall will try and debug of build that the tunnel and you will get more information on the PIX. Mainly, we'll see what traffic model the SonicWall is configured to encrypt (you don't see if the PIX initiates the tunnel).
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/ * Style definitions * / table. MsoNormalTable {mso-style-name : « Table Normal » ; mso-tstyle-rowband-taille : 0 ; mso-tstyle-colband-taille : 0 ; mso-style-noshow:yes ; mso-style-priorité : 99 ; mso-style-qformat:yes ; mso-style-parent : » « ;" mso-rembourrage-alt : 0 à 5.4pt 0 à 5.4pt ; mso-para-marge-top : 0 ; mso-para-marge-droit : 0 ; mso-para-marge-bas : 10.0pt ; mso-para-marge-left : 0 ; ligne-hauteur : 115 % ; mso-pagination : widow-orphelin ; police-taille : 11.0pt ; famille de police : « Calibri », « sans-serif » ; mso-ascii-font-family : Calibri ; mso-ascii-theme-font : minor-latin ; mso-fareast-font-family : « Times New Roman » ; mso-fareast-theme-font : minor-fareast ; mso-hansi-font-family : Calibri ; mso-hansi-theme-font : minor-latin ; mso-bidi-font-family : « Times New Roman » ; mso-bidi-theme-font : minor-bidi ;}
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6 March 19, 2010 15:44:06 302015 x.x.x.x y.y.y.y 500 500 built inbound connection UDP 48318039 for outside:x.x.x.x/500 (x.x.x.x 500) at identity:y.y.y.y/500 (y.y.y.y 500)
4 March 19, 2010 15:44:29 713903 IP = x.x.x.x, Invalid Cookie message received on HIS non-existent
4 March 19, 2010 15:44:29 113019 group = x.x.x.x, Username = x.x.x.x, IP = x.x.x.x, disconnected Session. Session type: IKE, duration: 0 h: 00 m: 23s, xmt bytes: 0, RRs bytes: 0, right: Service lost
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5 March 19, 2010 15:44:23 group 713904 = x.x.x.x, IP = x.x.x.x, received a unencrypted INVALID_COOKIE notify message, drop
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5 March 19, 2010 15:44:06 group 713119 = x.x.x.x, IP = x.x.x.x, PHASE 1 COMPLETED
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6 March 19, 2010 15:44:06 302015 x.x.x.x y.y.y.y 500 500 built connection UDP incoming 48318039 for outside:x.x.x.x/500 (x.x.x.x/500) to the identity: y.y.y.y 500 (500 y.y.y.y)
and here's the conf on the ASA:
/ * Style definitions * / table. MsoNormalTable {mso-style-name : « Table Normal » ; mso-tstyle-rowband-taille : 0 ; mso-tstyle-colband-taille : 0 ; mso-style-noshow:yes ; mso-style-priorité : 99 ; mso-style-qformat:yes ; mso-style-parent : » « ;" mso-rembourrage-alt : 0 à 5.4pt 0 à 5.4pt ; mso-para-margin : 0 ; mso-para-marge-bottom : .0001pt ; mso-pagination : widow-orphelin ; police-taille : 11.0pt ; famille de police : « Calibri », « sans-serif » ; mso-ascii-font-family : Calibri ; mso-ascii-theme-font : minor-latin ; mso-fareast-font-family : « Times New Roman » ; mso-fareast-theme-font : minor-fareast ; mso-hansi-font-family : Calibri ; mso-hansi-theme-font : minor-latin ; mso-bidi-font-family : « Times New Roman » ; mso-bidi-theme-font : minor-bidi ;}
Dynamic crypto map SYSTEM_DEFAULT_CRYPTO_MAP 65535 define security association lifetime 28800 seconds
cryptographic kilobytes 4608000 life of the set - the association of security of the 65535 SYSTEM_DEFAULT_CRYPTO_MAP of the dynamic-map
card crypto outside_map 2 match address outside_cryptomap
card crypto outside_map 2 peers set x.x.x.x
card crypto outside_map 2 game of transformation-ESP-AES-256-SHA
map outside_map 65535-isakmp ipsec crypto dynamic outside_dyn_map
outside_map interface card crypto outside
ISAKMP crypto identity hostname
crypto ISAKMP allow outside
crypto ISAKMP allow inside
crypto ISAKMP policy 10
preshared authentication
aes-256 encryption
sha hash
Group 2
life 86400
tunnel-group x.x.x.x type ipsec-l2l
tunnel-group ipsec-attributes x.x.x.x
pre-shared-key *.
!
Can anyone help please? We checked on the Sonicwall and it seems that everything is appropriate.
As you use the ip address, you must configure "isakmp crypto identity address" instead of "crypto isakmp identity hostname.
Please share debug output while trying to establish VPN:
-debug crypto isakmp
-debug crypto ipsec
See also, the exit after:
-show crypto isa his
-show crypto ipsec his
If you can share the ASA configuration that would be great. Thank you.
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If I use activex or java is not serious, he also any server, I'm trying to connect to.
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I am pleased that the HTML5 solution works for you.
Its much simpler and less constraints than the Active X or Java favorite operating system/browser.
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Norman
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This Forum is made for the SRA/SMA devices and not firewalls.
Please report these question in the forum "network security".
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Failover with VPN concentrator
Hi all
We have unique VPN concentrator which is the single point of failure, so need your help to mitigate the same
The topology diagram is attached
Site A and Site B.
Site B has internet gateways where we have existing VPN.
The intention to introduce the site A & Concentrator VPN gateway VPN is set as well
Our design is provided for in
Connectivity between the two locations & other office is managed by BGP.
Default route is pointing at the Internet gateway.
Info by the Internet Segment.
· We have the SP independent IP range
· Switching between 2 SP to site B is obtained by using the iBGP and eBGP
Challenge: VPN concentrator single Point of failure (the Cisco VPN concentrator 3000)
Here are the design goals
· Implement internet gateways to the Site - A which will have redundancy level of Portal Site
· Place on the VPN concentrator, which will act as a switch between site
o If the concentrator vpn site B is out of box A VPN site must support all traffic.
Concentrator VPN active o replica of Site B
Is it possible to achieve the objectives of design.
Please help about the VPN concentrator... How I can set VPN concentrator in failover mode... Just as we do firewalls?
Help, please
Hi yogesh,
Concentrator VPN supports failover through VRRP. Please find the following for your reference document:
http://www.Cisco.com/en/us/products/HW/vpndevc/ps2284/products_tech_note09186a0080094490.shtml
As for the addition of failover for VPN concentrator, you happen to have a spare hub VPN to run VRRP?
Don't know if you know, however, VPN concentrator comes end of life and the last delivery date was November 2007, as a result, you will not be able to buy VPN concentrator more.
Here's the EOL notificatin for your reference:
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Hello
I had a SonicWALL, SonicWALL VPN upward and running for a few years, with network 192.168.5.x to my office able to access 192.168.6.x and 192.168.70.x in my data center. Now he must replace the SonicWALL to my office with a 2811, and I need to keep the VPN tunnel and work.
My 2811 is currently NAT and I have the VPN tunnel to the top, but no traffic passes. I think I have troubleshoot-carried out down to a problem of sheep, and I do not know how to solve with ACL, although I used to know how to do on PIX.
What lines of code do I need enable my office network (192.168.5.x) access to the network of data centre (192.168.6.x and 70.x)? There are currently only no ACLs not applied to the WAN interface at all, and I don't have that one static IP address.
Hi Eric,.
access-list 111 deny ip 192.168.5.0 0.0.0.255 192.168.6.0 0.0.0.255
access-list 111 deny ip 192.168.5.0 0.0.0.255 192.168.70.0 0.0.0.255
access-list 111 permit ip 192.168.5.0 0.0.0.255 any route-map nonat permit 10 match ip address 111
!
ip nat inside source route-map nonat interface
overload So that means all who refused in road - map ACL will be denied NATing when it corresponds to the specific rule and it goes as it is...
Concerning
Knockaert
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