10-14-2010 10:33 PM - edited 03-06-2019 01:32 PM
I have few networks which are connected together through VPN tunnels.
All static routes to networks 192.168.3.0 and 192.68.9.0 are configured on router 4.
From the network 179 I can ping everything but from the network 3 and 9 I can only ping 179.
Where look for a problem?
In VPN ACLs or in routes in 179 networks ?
I can add that tracert from network 3 looking for network 9 over internet.
10-15-2010 08:04 AM
Hi,
Networks 3 and 9 have a route to reach the networks across the VPN?
Are the networks 3 and 9 included in the interesting traffic for those VPNs?
Federico.
10-15-2010 09:02 AM
The routs are on routers 179.
What do you mean network 3 and 9 are included?
In 3 network VPN Source 192.168.3.0/24, destination 192.168.179.0/24
In 9 network VPN Source 192.168.9.0/24, destination 192.168.179.0/24
10-15-2010 09:10 AM
Correct me if I'm wrong...
There's communication between network 179 and networks 3 and 9 (this works fine).
The problem is that networks 3 and 9 won't talk to remote VPN networks through R4?
This VPN is established from R4 to another remote device?
If so, besides having the route on R4 to reach networks 3 and 9, networks 3 and 9 should be part of the traffic to be encrypted when going through the tunnel.
Federico.
10-15-2010 09:45 AM
There is communication only between 179 and 3, and 179 and with 9.
There are no communication between 3 and 9 through 179.
The routing and the gateway for R0 and R2 are configured on R4:
ip route 192.168.3.0 255.255.255.0 192.168.179.12
ip route 192.168.9.0 255.255.255.0 192.168.179.14
R4 have configured VPN but to another network (2 which is not on drawing).
So if the network 3 could reach network 9 the source for the VPN should be 192.168.0.0/16 destination 192.168.179.0/24 ??
10-15-2010 09:56 AM
I see now... but since the communication between 3 and 9 should be via VPN, the VPN tunnel should
communicate both networks (should include both networks in the interesting traffic).
Question:
Are these IPsec L2L tunnels between the Cisco routers?
Do you have the source and destination networks defined under those tunnels?
Federico.
10-15-2010 10:05 AM
This the config of the R3
Building configuration...
Current configuration : 6100 bytes
!
version 12.4
no service pad
service tcp-keepalives-in
service tcp-keepalives-out
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryption
service sequence-numbers
!
hostname CISCO
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
logging buffered 51200
logging console critical
!
no aaa new-model
clock timezone PCTime 1
clock summer-time PCTime date Mar 30 2003 2:00 Oct 26 2003 3:00
dot11 syslog
no ip source-route
!
ip dhcp pool ccp-pool1
import all
network 192.168.9.0 255.255.255.0
dns-server 194.204.152.34 8.8.8.8
default-router 192.168.9.1
!
!
ip cef
no ip bootp server
ip domain name yourdomain.com
ip name-server 194.204.152.34
ip name-server 8.8.8.8
!
!
!
!
!
!
crypto isakmp policy 1
encr 3des
authentication pre-share
group 2
crypto isakmp key test address 10.10.10.214
!
!
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
!
crypto map SDM_CMAP_1 1 ipsec-isakmp
description Tunnel to10.10.10.214
set peer 10.10.10.214
set security-association idle-time 300
set transform-set ESP-3DES-SHA
match address 100
!
archive
log config
hidekeys
!
!
ip tcp synwait-time 10
ip ssh time-out 60
ip ssh authentication-retries 2
!
!
!
interface FastEthernet0
!
interface FastEthernet1
!
interface FastEthernet2
!
interface FastEthernet3
!
interface FastEthernet4
description $ES_WAN$$FW_OUTSIDE$$ETH-WAN$
ip address 20.20.20.234 255.255.255.240
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
crypto map SDM_CMAP_1
!
interface Vlan1
description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$$ES_LAN$$FW_INSIDE$
ip address 192.168.9.1 255.255.255.0
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
ip nat inside
ip virtual-reassembly
ip tcp adjust-mss 1452
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 20.20.20.225
ip http server
ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
!
ip nat inside source route-map ISP1 interface FastEthernet4 overload
!
ip sla enable reaction-alerts
logging trap debugging
access-list 1 remark CCP_ACL Category=2
access-list 1 permit 192.168.9.0 0.0.0.255
access-list 100 remark CCP_ACL Category=4
access-list 100 remark IPSec Rule
access-list 100 permit ip 192.168.9.0 0.0.0.255 192.168.179.0 0.0.0.255
access-list 101 remark CCP_ACL Category=2
access-list 101 remark IPSec Rule
access-list 101 deny ip 192.168.9.0 0.0.0.255 192.168.179.0 0.0.0.255
access-list 101 permit ip 192.168.9.0 0.0.0.255 any
no cdp run
!
!
!
route-map ISP1 permit 10
match ip address 101
match interface FastEthernet4
set ip next-hop 20.20.20.225
!
!
control-plane
!
banner exec ^C
% Password expiration warning.
-----------------------------------------------------------------------
Cisco Configuration Professional (Cisco CP) is installed on this device
and it provides the default username "cisco" for one-time use. If you have
already used the username "cisco" to login to the router and your IOS image
supports the "one-time" user option, then this username has already expired.
You will not be able to login to the router with this username after you exit
this session.
It is strongly suggested that you create a new username with a privilege level
of 15 using the following command.
username
Replace
want to use.
-----------------------------------------------------------------------
^C
banner login ^CAuthorized access only!
Disconnect IMMEDIATELY if you are not an authorized user!^C
!
line con 0
login local
no modem enable
transport output telnet
line aux 0
login local
transport output telnet
line vty 0 4
session-timeout 30
exec-timeout 0 0
privilege level 15
login local
transport input telnet ssh
!
scheduler max-task-time 5000
scheduler allocate 4000 1000
scheduler interval 500
end
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