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Step-by-Step Configuration and Troubleshooting Best Practices for the NGFW, NGIPS and AMP Technologies A Visual Guide to the Cisco Firepower Threat Defense (FTD)
Community Member

Failover issue.

Hi All,

I am facing a issue in ASA failover.

Scenario:-

2 ASA 5520 box.

Version 8.2(1).

2 box is connecting with utp cable back to back failover.

When we connecting the failover cable, the configuration is replicating from the secondary box to Primary.

Why it is behaving like this firewall any bug in this IOS?

Rgds,

Subash

1 ACCEPTED SOLUTION

Accepted Solutions

Re: Failover issue.

Hi,

Even i too faced this issue some time back.In this scenario just need to apply two command.

1.Apply "failover active" command in primary unit.

2.Apply "no failover active " command in seconday,then immediatey it will go standby mode.then connect the failover utp cable.

3.In your secondary firewall failover configuration, make sure the below command should be available "failover lan unit secondary"

regards

karuppu

4 REPLIES
Cisco Employee

Re: Failover issue.

I am not sure of the problem.

Do they keep failing over or the blank config from the standby unit gets written to the active unit?

You need to collect

sh run fail

sh fail

sh fail history

from both units and see what might be going on. Do both units think they are active?

-KS

Community Member

Re: Failover issue.

Hi,

I am sending the logs of my Primary unit.

Rgds

Sub

Re: Failover issue.

Hi,

Even i too faced this issue some time back.In this scenario just need to apply two command.

1.Apply "failover active" command in primary unit.

2.Apply "no failover active " command in seconday,then immediatey it will go standby mode.then connect the failover utp cable.

3.In your secondary firewall failover configuration, make sure the below command should be available "failover lan unit secondary"

regards

karuppu

Community Member

Re: Failover issue.

Thanks...

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