Wednesday, July 30, 2014

Cisco ASA: How To Create A Port-Channel On A 5512 Running Version 9.1(2)

I was asked here recently to bond two ports on an ASA 5512 (version 9.1(2)) for added throughput and also redundancy to the ASA from the stacked core switch.  Turns out that Cisco will do that, and its not to shabby either.  Just add a port-channel and do the config under it.  I think I had to go on the two individual interfaces first and put the channel-group command, if I recall correctly.  Then go into the port-channel interface to do the three commands:  nameif, security-level, and ip address.  See below.

interface GigabitEthernet0/1
 channel-group 1 mode on
 no nameif
 no security-level
 no ip address
!
interface GigabitEthernet0/2
 channel-group 1 mode on
 no nameif
 no security-level
 no ip address

interface Port-channel1
 nameif Inside
 security-level 100
 ip address 10.10.1.1 255.255.255.0 

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