It looks like you are hitting the following defect:
Externally found severe defect: Resolved (R)
session to 4232-l3 stops working: Unable to tunnel to IntlgLineCard
It seems this is related to the 4232-L3 ARP entry not being complete on the supervisor side. You can see the workarounds include: telnetting directly to an L3 interface on the 4232 such as gi3 or gi4, moving sc0 to a different vlan (not sure if it will be fixed when you move it back), or reloading the 4232.
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
Q1: What are all the channel operational states from a BR (border role) perspective and what are the rules/conditions to be in each st...
The need was to reach an host inside a LAN through a VPN connection managed by the LAN gateway (Cisco 1921).
The LAN gateway performs NAT and there was a dedicate nat rule for the host i wanted to reach through VPN.
I couldn't connect to the hos...
We have 3 identical switches configured by someone else and would like to claim some of the Gigabit ports(G1/G2/G3/G4) for use on servers. When we try to change the wiring and configuration, we run in to connectivity issues. Attached is a des...