troubleshooting Question

Setup VPN Cisco 871

Avatar of simernet
simernet asked on
RoutersVPNHardware Firewalls
2 Comments1 Solution1463 ViewsLast Modified:
I am looking to setup a VPN solution with two cisco 871 routers.
Remote net
Cisco 871  Int vlan1 (
                 Int fa 4 (

DMZ net
There is a csu/dsu
that provides public ethernet address to 871 Int fa 4 (
    Int vlan1 (
The network is on the public side of the SBS ISA server (

Local net
sbs ISA server is

need to have network and network on private lan
need to have go throgh vpn to get to network, go out to for internet traffic. network will go throgh sbs isa server for network traffic.

can the go through isa or do I need to make another vlan on another port on the 871 and bypass the isa server?
Join the community to see this answer!
Join our exclusive community to see this answer & millions of others.
Unlock 1 Answer and 2 Comments.
Join the Community
Learn from the best

Network and collaborate with thousands of CTOs, CISOs, and IT Pros rooting for you and your success.

Andrew Hancock - VMware vExpert
See if this solution works for you by signing up for a 7 day free trial.
Unlock 1 Answer and 2 Comments.
Try for 7 days

”The time we save is the biggest benefit of E-E to our team. What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on Experts Exchange.

-Mike Kapnisakis, Warner Bros