Standard Failover Using a Failover Cable
In accepted failover, a appropriate consecutive cable accepted as the failover cable is acclimated to
connect the primary and accessory PIX firewalls. One end of the failover cable is
labeled primary, and the added end is labeled secondary. As accepted faculty would
dictate, the primary end of the cable should be affiliated to the firewall that you
want to baptize as primary, and the accessory end of the cable should be connected
to the firewall that you appetite to baptize as secondary.This cable should
be affiliated back the accessory firewall is angry off.
The failover cable exchanges accompaniment abstracts amid the firewalls at 115Kbps.
Communication over the failover cable includes:
Hellos (keepalives)
MAC abode exchanges
Accompaniment (active vs. standby)
Network articulation status
Configuration replication
NOTE
Before software adaptation 5.2 of the PIX firewall, the failover cable
operated at 9600bps.
NOTE
Do not affix the failover cable backward. Doing so will account a
replication to action from the accessory firewall to the primary firewall
and abolish your absolute configuration!