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Old 07-29-2019, 11:08 AM
ghermida ghermida is offline
Join Date: Jul 2019
Posts: 2
Default Netbrain discovering ASA firewalls

Having issues trying to get Netbrain to discover Cisco Firewalls.
While I am in the ASDM GUI, I'm using SNMP v3, so no public strings. My configuration order is as follows:
Create a USM Model, create SNMP user, create SNMP group with the user as member, then add the SNMP host access.

It's failing to discover right after the ping process. Is it better it do the configurations in the CLI as opposed to GUI? Is SNMP v3 not a viable option at this point and I should use V2 with public strings? Anyone have Cisco ASA's successfully discovered in their Netbrain infrastructure?
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Old 07-29-2019, 10:01 PM
Jia.Xing Jia.Xing is offline
Join Date: Dec 2017
Posts: 19
Default Re: Netbrain discovering ASA firewalls

Here are the comments, hope they help:

1. GUI vs. CLI configuration:
They should be identical. SNMPv3 configuration is unlike v2, it has three modes: No Authen No Private, Authen No Private, Authen Private. First you need to make sure which method you were using , and then add this SNMPv3 credential into NetBrain's Network Settings.

2. SNMPv3 and SNMPv2 both work for NetBrain to discover ASAs.

3. Forward the Discovery log to so that you can get a support engineer to work with you closely on this issue.
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Old 09-03-2019, 02:36 PM
ghermida ghermida is offline
Join Date: Jul 2019
Posts: 2
Default Re: Netbrain discovering ASA firewalls

I found the issue. I have firewalls that are the same model but differing IOSs'.
It makes a difference when applying ACL rules to either the "inside" or "inside_1" interface. The newer IOS has a VIP management IP address so you have to be more specific when applying the ACLs to interfaces.
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