Limit the bandwidth in the tunnel VPN on Cisco ASA
Hello
I have a site VPN tunnel to create with the local desktop client. I fear that the traffic in the tunnel in impacting the Internet bandwidth for the entire office. Is it possible to limit bandwidth on the speed VPN tunnel. I have attached a configuration that shows the configuration of the ASA at the local office.
Any help would be much appreciate. I watched QoS mapping but it's hard to make sense.
Thank you very much
Kind regards
Michael.
The ASA supported QoS features are:
Police, LLQ and Traffic Shaping
To avoid the individual flows hogging the bandwidth of the network, you can limit the maximum bandwidth used by flow (with the police)
The police is a way of ensuring that no traffic exceeds the rate (in bits per second) that you configure,
so make that person not traffic or the class can return to any of the resource.
When traffic is higher than the maximum rate, the ASA removes the excess traffic. Policy defines also the largest single burst of allowed traffic.
Example of font options:
class policing_map_name hostname(config-pmap) #.
Police hostname(config-pmap-c) # {exit | entry} to compliance rates [conform burst]
[action in line [drop | send]] [action exceed [drop | send]]
That is to say
HostName (config) # class - police-class card
HostName(config-CMAP) # match any
HostName(config-CMAP) # QoS_policy policy-map
class police_class hostname(config-pmap) #.
HostName(config-pmap-c) # exit police 56000 10500
The configuration depends on the "this" base that you want to limit the connection.
Federico.
Tags: Cisco Security
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Bring up the tunnel vpn crypto without interesting traffic map
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Roman,
Unless something chnaged recently RRI inserts routes without present SAs, meaning that they are static (in contrast to current default behavior on IOS 12.4 (9) T-I_think leave).
But to answer the question, in more recent versions, you can bring up the tunnel using packet - trace CLI.
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Hello
I have a tunnel from site to site, where Site 1 is the local site and main site. and 2 the site is the remote site.
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But since the lokal site all IP addresses must be able to reach all of the IP addresses to site 2 (remotely).
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Hi Erik,
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Adding networks to the tunnel VPN ACL
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-
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There are commands that define the lifetimes of (his) IPSec Security Associations, ISAKMP.
For example:
crypto ISAKMP policy 1
BA 3des
preshared authentication
Group 2
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... and you can determine the remaining lifetime for these SAs with the following commands:
SH detail session crypto
SH in detail its crypto isakmp
SH crypto ipsec his
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VPN site to site by using the host name on cisco asa 5540 - dyndns
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See the following example.
-
Client VPN und Cisco asa 5505 tunnel work but no traffic
Hi all
I am new to this forum and Don t have a lot of experience with Cisco, so I hope I can get help from specialists.
I have the following problem:
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To test, I installed ASA 5505 with ADSL (pppoe) and tried to give access to the internal network.
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What I did wrong. Could someone let me know what I have to do today.
With hope for your help Dimitri.
ASA configuration after reset and basic configuration: works to the Internet from within the course.
: Saved
: Written by enable_15 to the CEDT 20:29:18.909 Sunday, August 29, 2010
!
ASA Version 8.2 (2)
!
ciscoasa hostname
activate 2KFQnbNIdI.2KYOU encrypted password
2KFQnbNIdI.2KYOU encrypted passwd
names of
!
interface Vlan1
nameif inside
security-level 100
IP 192.168.1.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
PPPoE client vpdn group home
IP address pppoe setroute
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
boot system Disk0: / asa822 - k8.bin
passive FTP mode
clock timezone THATS 1
clock to summer time CEDT recurring last Sun Mar 02:00 last Sun Oct 03:00
DNS domain-lookup outside
DNS server-group DefaultDNS
Server name 194.25.0.60
Server name 194.25.0.68
DM_INLINE_TCP_1 tcp service object-group
port-object eq www
EQ object of the https port
inside_access_in list extended access permitted udp 192.168.1.0 255.255.255.0 no matter what eq field open a debug session
inside_access_in list extended access permitted tcp 192.168.1.0 255.255.255.0 any object-group DM_INLINE_TCP_1 open a debug session
inside_access_in list extended access deny ip any any debug log
inside_nat0_outbound to access ip 192.168.1.0 scope list allow 255.255.255.0 192.168.0.0 255.255.0.0
permit inside_nat0_outbound to access extended list ip 192.168.10.0 255.255.255.0 192.168.10.0 255.255.255.128
homegroup_splitTunnelAcl list standard access allowed 192.168.10.0 255.255.255.0
pager lines 24
Enable logging
asdm of logging of information
Outside 1500 MTU
Within 1500 MTU
IP local pool homepool 192.168.10.1 - 192.168.10.100 mask 255.255.255.0
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm-625 - 53.bin
ASDM location 192.168.0.0 255.255.0.0 inside
ASDM location 192.168.10.0 255.255.255.0 inside
don't allow no asdm history
ARP timeout 14400
Global 1 interface (outside)
NAT (inside) 0-list of access inside_nat0_outbound
NAT (inside) 1 0.0.0.0 0.0.0.0
inside_access_in access to the interface inside group
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
dynamic-access-policy-registration DfltAccessPolicy
Enable http server
http 192.168.1.0 255.255.255.0 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - 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 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-SHA aes - esp 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
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs Group1 set
Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value 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 MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
outside_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
outside_map interface card crypto outside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
Telnet timeout 5
SSH timeout 5
Console timeout 0
VPDN group home request dialout pppoe
VPDN group House localname 04152886790
VPDN group House ppp authentication PAP
VPDN username 04152886790 password 1
dhcpd outside auto_config
!
dhcpd address 192.168.1.5 - 192.168.1.36 inside
dhcpd allow inside
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
TFTP server 192.168.1.5 inside c:/tftp-root
WebVPN
Group Policy inner residential group
attributes of the strategy of group home group
value of 192.168.1.1 DNS server
Protocol-tunnel-VPN IPSec
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list homegroup_splitTunnelAcl
username user01 encrypted password privilege 0 v5P40l1UGvtJa7Nn
user01 username attributes
VPN-strategy group home group
tunnel-group home group type remote access
attributes global-tunnel-group home group
address homepool pool
Group Policy - by default-homegroup
tunnel-group group residential ipsec-attributes
pre-shared-key ciscotest
!
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
Cryptochecksum:930e6cddf25838e47ef9633dc2f07acb
: end
Hello
Normally, you want a static public IP address on the ASA to allow it to receive connections from VPN clients (avoid to change the IP address all the time).
If you connect via VPN, check the following:
1. the tunnel is established:
HS cry isa his
Must say QM_IDLE or MM_ACTIVE
2 traffic is flowing (encrypted/decrypted):
HS cry ips its
3. Enter the command:
management-access inside
And check if you can PING the inside ASA VPN client IP.
4. check that the default gateway for the LAN internal ASA within intellectual property (or there is a road to the ASA to send traffic to the VPN clients).
Federico.
-
Site to Site VPN between Cisco ASA 5505 and Sonicwall TZ170
I'm trying to implement a VPN site-to site between our data center and office. The data center has a Cisco ASA 5505 and the Office has a Sonicwall TZ170. I managed to configure the two so that the vpn connects. Each of the firewall I ping the IP Address of the internet firewall on the other side and a desktop computer I can ping the IP Address of the firewall internal datacenter but I can't carry traffic between private subnets datacenter and desktop. Can anyone help?
The config below has had IPs/passwords has changed.
External Datacenter: 1.1.1.4
External office: 1.1.1.1
Internal data center: 10.5.0.1/24
Internal office: 10.10.0.1/24
: Saved
:
ASA Version 8.2 (1)
!
hostname datacenterfirewall
mydomain.tld domain name
activate thepassword encrypted
passwdencrypted
names of
name 10.10.0.0 OfficeNetwork
10.5.0.0 DatacenterNetwork name
!
interface Vlan1
nameif inside
security-level 100
10.5.0.1 IP address 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
1.1.1.4 IP address 255.255.255.0
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
passive FTP mode
clock timezone IS - 5
clock to summer time EDT recurring
DNS server-group DefaultDNS
buydomains.com domain name
permit same-security-traffic inter-interface
permit same-security-traffic intra-interface
inside_access_in list extended access permit icmp any one
inside_access_in list extended access permitted tcp a whole
inside_access_in list extended access udp allowed a whole
inside_access_in of access allowed any ip an extended list
outside_access_in list extended access permit icmp any one
outside_access_in list extended access udp allowed any any eq isakmp
IP DatacenterNetwork 255.255.255.0 OfficeNetwork 255.255.255.0 allow Access-list extended pixtosw
pixtosw list extended access allow icmp DatacenterNetwork 255.255.255.0 OfficeNetwork 255.255.255.0
IP OfficeNetwork 255.255.255.0 DatacenterNetwork 255.255.255.0 allow Access-list extended pixtosw
pixtosw list extended access allow icmp OfficeNetwork 255.255.255.0 DatacenterNetwork 255.255.255.0
outside_cryptomap_66.1 list of allowed ip extended access all OfficeNetwork 255.255.255.0
outside_cryptomap_66.1 ip OfficeNetwork 255.255.255.0 allowed extended access list all
outside_cryptomap_66.1 list extended access permit icmp any OfficeNetwork 255.255.255.0
outside_cryptomap_66.1 list extended access allowed icmp OfficeNetwork 255.255.255.0 everything
pager lines 24
Enable logging
asdm of logging of information
Within 1500 MTU
Outside 1500 MTU
IP verify reverse path to the outside interface
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 623.bin
don't allow no asdm history
ARP timeout 14400
NAT-control
Global 1 interface (outside)
NAT (inside) 1 0.0.0.0 0.0.0.0
inside_access_in access to the interface inside group
Access-group outside_access_in in interface outside
Route inside 0.0.0.0 0.0.0.0 1.1.1.1 1
Route OfficeNetwork 255.255.255.0 outside 1.1.1.1 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
dynamic-access-policy-registration DfltAccessPolicy
Enable http server
http 10.5.0.0 255.255.255.0 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - 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-128-SHA aes - esp 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-aes-256 walthamoffice, esp-sha-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
Crypto dynamic-map ciscopix 1 corresponds to the address outside_cryptomap_66.1
Crypto dynamic-map ciscopix 1 transform-set walthamoffice
Crypto dynamic-map ciscopix 1 the value reverse-road
map dynmaptosw 66-isakmp ipsec crypto dynamic ciscopix
dynmaptosw interface card crypto outside
crypto isakmp identity address
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
crypto ISAKMP policy 13
preshared authentication
aes-256 encryption
sha hash
Group 2
lifetime 28800
crypto ISAKMP policy 30
preshared authentication
aes-256 encryption
sha hash
Group 2
life 86400
No encryption isakmp nat-traversal
Telnet 10.5.0.0 255.255.255.0 inside
Telnet timeout 5
SSH 10.5.0.0 255.255.255.0 inside
SSH timeout 5
Console timeout 0
management-access inside
dhcpd address 10.5.0.2 - 10.5.0.254 inside
dhcpd allow inside
!a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
NTP server 66.250.45.2 source outdoors
NTP server 72.18.205.157 source outdoors
NTP server 208.53.158.34 source outdoors
WebVPN
attributes of Group Policy DfltGrpPolicy
VPN-idle-timeout no
username admin passwordencrypted
tunnel-group 1.1.1.1 type ipsec-l2l
tunnel-group 1.1.1.1 ipsec-attributes
pre-shared-key *.
!
!
!
type of policy-card inspect dns preset_dns_map
parameters
message-length maximum 512
!
context of prompt hostname
Cryptochecksum:7f319172e5de9c0e550804a263f8e49e
: endMattew, obvious lack of education is the rule exempt from nat for your tunnel, your access list pixtosw is similar on this example, I assume that you have gone through this link, if it does not see the configs on both sides.
Add the statement of rule sheep in asa and try again.
NAT (inside) 0-list of access pixtosw
Concerning
-
AnyConnect VPN for Cisco ASA 5505 refused connections
I'm trying to set up my Cisco 5505 with AnyConnect VPN client VPN access. Here is the relevant information of my config:
interface Vlan2
mac-address xxxx.xxxx.xxxx
nameif outside
security-level 0
ip address A.A.A.A 255.255.255.240
!
access-list outside_access_in extended permit tcp any host C.C.C.C eq pptp
access-list outside_access_in extended permit tcp any host C.C.C.C eq https
access-list outside_access_in extended permit tcp any host C.C.C.C eq ftp
access-list outside_access_in extended permit tcp any host C.C.C.D eq https
access-list outside_access_in extended permit tcp any host C.C.C.D eq ftp
access-list outside_access_in extended permit tcp any host C.C.C.D eq www
access-list outside_access_in extended permit tcp any host C.C.C.C eq smtp
access-list outside_access_in extended permit icmp any any
access-list outside_access_in extended permit tcp any host C.C.C.D eq ssh
access-list outside_access_in extended permit tcp any host C.C.C.D eq 8080
access-list outside_access_in extended permit gre any host C.C.C.C
access-list outside_access_out extended permit ip any any
access-list inside_access_in extended permit ip any any
access-list inside_access_in extended permit ip any interface outside
access-list inside_access_out extended permit ip any anyaccess-group inside_access_in in interface inside
access-group inside_access_out out interface inside
access-group outside_access_in in interface outside
access-group outside_access_out out interface outsidewebvpn
enable inside
enable outside
svc image disk0:/anyconnect-win-2.4.1012-k9.pkg 1
svc enablegroup-policy DfltGrpPolicy attributes
dns-server value X.X.X.X
vpn-tunnel-protocol IPSec l2tp-ipsec svc webvpn
split-tunnel-policy tunnelspecified
split-tunnel-network-list value
address-pools value palm
webvpn
svc rekey time 30
svc rekey method ssl
svc ask enable default webvpnpolicy-map global_policy
class inspection_default
inspect pptp
inspect http
inspect icmp
inspect ftp
!When I try to connect, I get this error in the real-time log viewer:
TCP access denied by ACL from X.X.X.X/57356 to outside:A.A.A.A/443
Here are the details of the license:
Licensed features for this platform:
Maximum Physical Interfaces : 8
VLANs : 3, DMZ Restricted
Inside Hosts : Unlimited
Failover : Disabled
VPN-DES : Enabled
VPN-3DES-AES : Enabled
SSL VPN Peers : 2
Total VPN Peers : 10
Dual ISPs : Disabled
VLAN Trunk Ports : 0
Shared License : Disabled
AnyConnect for Mobile : Disabled
AnyConnect for Linksys phone : Disabled
AnyConnect Essentials : Disabled
Advanced Endpoint Assessment : Disabled
UC Phone Proxy Sessions : 2
Total UC Proxy Sessions : 2
Botnet Traffic Filter : DisabledThis platform has a Base license.
Can someone tell me what I am doing wrong or what access list I'm missing?
I have two Cisco ASA 5510 firewall with a similar setup configuration and the AnyConnect SSL VPN works great.
Hi Matt,
You are probably landing on the tunnel-group by default - you will need to indicate which group to connect to the client. This can be done in different ways - I see that you already have a defined group aliases, but to be able to use that you must configure:
WebVPN
tunnel-group-list activate
Alternatively, if you have only a single group, you can add 'group-url https://yourasa.yourcompany.com/ permit' to the webvpn attributes tunnel-group.
HTH
Herbert
-
Hello
I'm trying to get my ipad to VPN to our Cisco ASA5520.
I think I have all the correct settings on both ends (I am able to vpn to the asa using a cisco 871 as the remote client).
I think that for some reason the client vpn on ipad is not even make the asa. My question is: How can I monitor the ASA logs to see if the same connection attempt and eventually find the failure?
Thank you
M
try: -.
Debug crypto ISAKMP
Debug crypto ipsec
Vpn-sessiondb SH remote control (to see if the client is connected)
I have configured ipad for remote vpn client, the user could connect to the 5520 but why that I had to use the ip addresses to access, but I couldn't use internal dns names. try to understand that at this moment.
It may be useful
Manish
-
Cisco VPN 3060 - Cisco ASA conversion
We are about to embark on the passage of all extensions L2L and network (Cisco ASA 5505 s) of the Cisco VPN 3060 concentrator to a Cisco ASA 5520.
We bsemblable woul to see if there is a simple method to do this as a converter? Also, there are lessons learned? We run 8.4.3 so that we know that the NAT configuration has differed. The 3060 configuration can be changed in anyway for help in configuring the ASA?
Thank you
Dwane
Thank you for your understanding Dwane.
Please mark this message as answered.
Good day.
-
Default route inside the tunnel VPN Site to site
We want to carry the default traffic within the site to site VPN tunnel, our goal is to route all traffic including default branch road and HO HO help branch for surfing the internet.
I have due to difficulties
1. cannot configure dynamic NAT for the router in the branch on the ASA HO, I know configuration for 8.2, but know not about 8.4
This is the configuration for the 8.2, if someone can translate to 8.4, which would be a great help
NAT (outside) 1 192.168.230.0
2. I do not know how to write the default route on the branch office router to send all traffic within the VPN tunnel
Hello
As I understand it then you want to route ALL traffic from the Remote Site to the Central Site and manage Internet traffic there.
I suppose you could define "interesting traffic" in configuring VPN L2L ACL / access-list in the following way
Branch router
extended IP access list
allow an ip
ASA central
ip access list allow one
The idea behind the type of ACL for the VPN L2L above configurations is that, for example, the branch office router has a rule that sets connection coming from the local LAN for 'any' destination address must be sent to the VPN L2L connection. So, it would be in such a way that all the traffic will be sent to the Central Site via VPN L2L.
I must say however, that the VPN router configurations side are not more familiar to me because I manage especially with ASA Firewall (and to some extent still PIX and FWSMs)
I guess that on the ASA Central you will PAT translation to "outside" so that the host can access the Internet?
You would probably do something like this
object-group network to REMOTE-SITE-PAT-SOURCE
network-object
interface of REMOTE-SITE-PAT-SOURCE dynamic NAT (outside, outside) after auto source
If you don't want to use the 'outside' IP address, then you will have to create a 'network of object' for address IP of PAT and use it in the line of NAT configuration above instead of "interface".
Alternate configuration might be
network of the REMOTE-SITE-PAT object
subnet
dynamic NAT interface (outdoors, outdoor)
You also need to enable
permit same-security-traffic intra-interface
To allow traffic to enter and exit the same interface on the ASA
All these answers are naturally suggestion on what you have to do. I don't know what kind of configurations you have right now.
Hope this helps in some way
-Jouni
Post edited by: Jouni Forss
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How to limit the client VPN connection time in Router2821
I have install a cisco router with VPN (client) 2821 and it works very well.
All the configurations that I did via CLI
But I want a customer to have vpn user:
Connection time maximum 30 min
Maximum idle time 15 min
Where should I put this command?
Kind regards!
Hi Lasandro,
Looks like max connect timer is not yet available, but the timeout is.
You can configure in the dynamic plan using the command 'set security association idle-timeout' .
Or apply globally with periods of inactivity of 60secs just to check:
"crypto ipsec security association idle time 60.
HTH.
Portu.
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