Information Technology Grimoire

Version .0.0.1

IT Notes from various projects because I forget, and hopefully they help you too.

BGP System Logs

System Log Searches

System and application logs are crucial for diagnosing issues with BGP sessions, route advertisements, path selection, and missing routes. Below are the log locations and commands for searching through these logs for BGP-related issues across different vendors, along with suggested keywords for effective log analysis.

Palo Alto

Log LocationSearch CommandKeywords
/var/log/pan.loggrep -i "bgp|route|peer" /var/log/pan.logBGP, route, peer, flap, dampening

Cisco ASA

Log LocationSearch CommandKeywords
Syslog server / CLIshow logging | include "BGP|route|peer"BGP, route, peer, flap, dampening

Fortinet

Log LocationSearch CommandKeywords
GUI / /var/log on CLIdiag log eventlist | grep -i "bgp|route|peer"BGP, route, peer, flap, dampening

Check Point Gaia

Log LocationSearch CommandKeywords
/var/log/messagesgrep -i "bgp|route|peer" /var/log/messagesBGP, route, peer, flap, dampening

Debian (with Quagga or FRR)

Log LocationSearch CommandKeywords
Quagga: /var/log/quagga/bgpd.loggrep -i "bgp|route|peer" /var/log/quagga/bgpd.logBGP, route, peer, flap, dampening
FRR: /var/log/frr/frr.loggrep -i "bgp|route|peer" /var/log/frr/frr.logBGP, route, peer, flap, dampening

Suggested Keywords for Log Searches include BGP, route, peer, flap, dampening for a focused investigation on potential issues related to BGP operations and configurations.