Cisco Catalyst 6500 Series User Manual

15-26
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide
OL-6392-01
Chapter 15 Using Failover
Frequently Asked Failover Questions
In an inter-switch failover scenario, the trunk between the switches fails
• What prevents the standby module from passing traffic?
The FWSM failover feature ensures that only traffic aimed to the standby module (hello messages,
Telnet if enabled) is successful, while traffic aimed through the module is dropped.
Stateful Failover Questions
See the following questions and answers for stateful failover:
• What information is not replicated to the standby FWSM on stateful failover?
– The user authentication (uauth) table.
– The ISAKMP and IPSec SA table (for management access only).
– The ARP table.
– Routing information.
– Other UDP connections.
• Can I share the state link interface with the failover link?
Yes, however, we recommend that you use a separate interface.

Cisco Catalyst 6500 Series Specifications

General

Brand	Cisco
Model	Catalyst 6500 Series
Category	Switch
Language	English