Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements
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

Syslog Question

hi, re syslog server, can someone advise what would happen to the ASA's if for any reason, the syslog server went down?

Would the firewalls still be operational or not?

4 REPLIES
Community Member

Re: Syslog Question

yes, i don't think the asa's will be affected.

Asa is still sending syslog, but will be dropped or replied with host not found

Community Member

Re: Syslog Question

This is a configurable option. You can either have it not pass traffic if the syslog server is unavailable, or you can allow it to pass traffic. You configure it like this:

no logging permit-hostdown

or

logging permit-hostdown

depending on the desired result.

*Please rate if helpful

Community Member

Re: Syslog Question

The above option is ONLY valid if using TCP syslog. UDP syslog is best effort, so syslog server going does not have any direct impact on ASA but you may be port unreachable messages.

Community Member

Re: Syslog Question

guys

thanks for all your posts.. So if using UDP and the syslog server i down, then the packets will b dropped, is that correct?

126
Views
15
Helpful
4
Replies
CreatePlease to create content