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ASA 5520 site-to-site VPN question

jdamone
Level 1
Level 1

Hello,

We have a Cisco 5520 ASA 8.2(1) connected to a Cisco RVS4000 router via an IPsec Site-to-Site VPN. The RVS4000 is located at a branch office. The tunnel works beautifully. When computers at the remote site are turned on the tunnel is established, and data is transferred back and forth.

The only issue I'm having is being able to Remote Desktop to the branch office computers, or ping for that matter. I can ping and Remote Desktop from the branch office computers to computers at the main site where the ASA is located.

After doing some research, I came across the this command;

sysopt connection permit-vpn

I haven't tried entering the command yet, but was wondering if this is something that I can try initially to see it it resolves the problem.

Thanks,

John

2 Replies 2

Would you kindly post your (sanitized) configuration settings for both the ASA and the RVS?  We are trying to accomplish the same thing, but so far have not had any luck (nor have we found any guidelines in getting a configuration working).

Thanks

rgruber
Level 1
Level 1

What are your configs and network diagrams at each location?  What are you doing for DNS?  I can help quicker with that info.  Also, here are some basic site to site VPN examples if it helps.

!
hostname cisco
domain-name cisco.com
enable password XXXXXXXX encrypted
passwd XXXXXXXXXXX encrypted
names
dns-guard
!
interface Ethernet0/0
nameif outside
security-level 0
ip address XXX.XXX.XXX.XXX 255.255.255.248
!
interface Ethernet0/1
nameif inside
security-level 100
ip address 10.0.0.2 255.255.255.0
!
interface Ethernet0/2
nameif backup
security-level 0
no ip address
!
interface Ethernet0/3
nameif outsidetwo
security-level 0
no ip address
!
interface Management0/0
nameif management
security-level 100
ip address 192.168.1.1 255.255.255.0
management-only
!

ftp mode passive
dns server-group DefaultDNS
domain-name cisco.com
same-security-traffic permit intra-interface
access-list XXX extended permit ip 10.0.0.0 255.255.255.0 10.90.238.0 255.255.255.0
access-list XXX extended permit ip 10.0.10.0 255.255.255.0 10.90.238.0 255.255.255.0
access-list XXX extended permit ip 10.0.2.0 255.255.255.0 10.90.238.0 255.255.255.0
access-list XXX extended permit ip 10.0.4.0 255.255.255.0 10.90.238.0 255.255.255.0
access-list XXX extended permit ip 10.0.0.0 255.255.255.0 10.0.2.0 255.255.255.0
access-list XXX extended permit ip 10.90.238.0 255.255.255.0 10.0.2.0 255.255.255.0
access-list XXX extended permit ip 10.0.0.0 255.255.255.0 10.0.4.0 255.255.255.0
access-list XXX extended permit ip 10.90.238.0 255.255.255.0 10.0.4.0 255.255.255.0
access-list nonat extended permit ip 10.0.0.0 255.255.255.0 10.90.238.0 255.255.255.0
access-list nonat extended permit ip 10.0.0.0 255.255.255.0 10.0.2.0 255.255.255.0
access-list nonat extended permit ip 10.0.0.0 255.255.255.0 10.0.4.0 255.255.255.0
access-list nonat extended permit ip 10.0.0.0 255.255.255.0 10.0.10.0 255.255.255.0
access-list nonat extended permit ip 10.0.10.0 255.255.255.0 10.90.238.0 255.255.255.0
access-list nonat extended permit ip 10.0.2.0 255.255.255.0 10.90.238.0 255.255.255.0
access-list nonat extended permit ip 10.0.4.0 255.255.255.0 10.90.238.0 255.255.255.0
access-list split standard permit 10.0.0.0 255.255.255.0
access-list split standard permit 10.90.238.0 255.255.255.0
pager lines 24
logging enable
logging buffer-size 1048576
logging buffered errors
logging trap notifications
logging asdm informational
logging class vpn buffered debugging
mtu outside 1500
mtu inside 1500
mtu backup 1500
mtu outsidetwo 1500
mtu management 1500
ip local pool vpnpool 10.0.10.100-10.0.10.200
ip audit name Inbound-Attack attack action alarm drop
ip audit name Inbound-Info info action alarm
ip audit interface outside Inbound-Info
ip audit interface outside Inbound-Attack
no failover
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list nonat
nat (inside) 1 0.0.0.0 0.0.0.0
access-group inbound in interface outside
route outside 0.0.0.0 0.0.0.0 XXX.XXX.XXX.XXX 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 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
timeout floating-conn 0:00:00
dynamic-access-policy-record DfltAccessPolicy
aaa authentication ssh console LOCAL
http server enable
http 0.0.0.0 0.0.0.0 inside
http 192.168.1.0 255.255.255.0 management
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set myset esp-3des esp-md5-hmac
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
crypto dynamic-map dynmap 10 set transform-set myset
crypto dynamic-map dynmap 10 set security-association lifetime seconds 28800
crypto dynamic-map dynmap 10 set security-association lifetime kilobytes 4608000
crypto map outside_map 1 match address XXX
crypto map outside_map 1 set peer XXX.XXX.XXX.XXX
crypto map outside_map 1 set transform-set myset
crypto map outside_map 1 set security-association lifetime seconds 28800
crypto map outside_map 1 set security-association lifetime kilobytes 4608000
crypto map outside_map 2 match address XXX2
crypto map outside_map 2 set peer XXX.XXX.XXX.XXX
crypto map outside_map 2 set transform-set myset
crypto map outside_map 2 set security-association lifetime seconds 28800
crypto map outside_map 2 set security-association lifetime kilobytes 4608000
crypto map outside_map 3 match address XXX3
crypto map outside_map 3 set pfs
crypto map outside_map 3 set peer XXX.XXX.XXX.XXX
crypto map outside_map 3 set transform-set myset
crypto map outside_map 3 set security-association lifetime seconds 28800
crypto map outside_map 3 set security-association lifetime kilobytes 4608000
crypto map outside_map 65535 ipsec-isakmp dynamic dynmap
crypto map outside_map interface outside
crypto isakmp identity address
crypto isakmp enable outside
crypto isakmp policy 10
authentication pre-share
encryption 3des
hash md5
group 2
lifetime 86400
telnet 0.0.0.0 0.0.0.0 inside
telnet timeout 5
ssh 0.0.0.0 0.0.0.0 outside
ssh 0.0.0.0 0.0.0.0 inside
ssh timeout 60
console timeout 0
management-access inside
dhcpd address 192.168.1.2-192.168.1.254 management
dhcpd enable management
!
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
webvpn
group-policy XXXgroup internal
group-policy XXXgroup attributes
dns-server value XXX.XXX.XXX.XXX
vpn-idle-timeout 30
split-tunnel-policy tunnelspecified
split-tunnel-network-list value split
default-domain value domain.local
username XXX24 password XXXX encrypted privilege 15
username admin password XXXX encrypted
tunnel-group XXX.XXX.XXX.XXX type ipsec-l2l
tunnel-group XXX.XXX.XXX.XXX ipsec-attributes
pre-shared-key XXXXXXXXXX
tunnel-group XXXgroup type remote-access
tunnel-group XXXgroup general-attributes
address-pool vpnpool
default-group-policy rccgroup
tunnel-group XXXgroup ipsec-attributes
pre-shared-key XXXXXXXXXX
isakmp ikev1-user-authentication none
tunnel-group XXX.XXX.XXX.XXX type ipsec-l2l
tunnel-group XXX.XXX.XXX.XXX ipsec-attributes
pre-shared-key XXXXXXXXXX
tunnel-group XXX.XXX.XXX.XXX type ipsec-l2l
tunnel-group XXX.XXX.XXX.XXX ipsec-attributes
pre-shared-key XXXXXXXXXX
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns migrated_dns_map_1
parameters
  message-length maximum client auto
  message-length maximum 512
policy-map global_policy
class inspection_default
  inspect dns migrated_dns_map_1
  inspect ftp
  inspect h323 h225
  inspect h323 ras
  inspect rsh
  inspect rtsp
  inspect esmtp
  inspect sqlnet
  inspect skinny
  inspect sunrpc
  inspect xdmcp
  inspect sip
  inspect netbios
  inspect tftp
  inspect ip-options
!
service-policy global_policy global
prompt hostname context
no call-home reporting anonymous
call-home
profile CiscoTAC-1
  no active
  destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService
  destination address email callhome@cisco.com
  destination transport-method http
  subscribe-to-alert-group diagnostic
  subscribe-to-alert-group environment
  subscribe-to-alert-group inventory periodic monthly
  subscribe-to-alert-group configuration periodic monthly
  subscribe-to-alert-group telemetry periodic daily