I have been tasked with setting up remote offices with a VPN connection with the Cisco 871 router. I have configured the 871 as follows:
- Connect to VPN - Successful
- Allow connections via wireless (disabled for now) - Successful
- Allow the 871 to act as a DHCP server to limit addresses given - Successful
- Each remote 871 is given a different address to avoid conflicts - Successful
- Enable SSH for remote access - This is where I run into my problem.
We use DHCP here in our Corp. office as well in remote offices. Our Corp. office uses 192.9.1.x subnet for all servers, switches, etc., and 192.168.101.x and 192.168.102.x for computers, printers.
My problem is I can SSH to any of my remote 871s while on the 192.9.1.x subnet at anytime, but in order for me to SSH into these same devices while on the 101 or 102 subents, I have to do the following:
SSH to the remote 871 while on the 192.9.1.x subnet, perform an extended ping to the default gateway of one of those 2 subnets (101.1 and 102.1) from the BVI1 interface.
Once that ping is successful, I can than close the SSH connection from the 192.9.1.x subnet and connect to it from one of the other subnets (101.x and 102.x).
Also, until the ping from the BVI1 interface is successful to the default gateway of 101.1 and/or 102.1, I am unable to ping the remote 871 from either of those subnets. Only the 192.9.1.x subnet seems to have 24/7 access to ping and SSH.
I have attached my configuration.
ANY help would be greatly appreciated!!