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Right now I have a vpn from a cisco router (ASA 5505) with a network connectiong to a Juniper firewall (SSG-520) with a network

I want to reconfigure the subnet on the juniper side to be a /24. I have changed all the interface settings and route on the juniper side, but the VPN disconnects after 90 seconds.

I am pretty sure that the problem is a route on the cisco side. In the logs on the Cisco side it says " No translation group found for icmp src outside: dst inside: (type 8, code 0)"

Previously the Juniper was at the IP (inside the /28 subnet). Now it is at

What is the proper way to recreate the route accross the VPN on the cisco side to make this work?

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