http://pa8mm.net/ 2026-07-12T13:32:05+00:00 http://pa8mm.net/ http://pa8mm.net/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-03-06T13:19:27+00:00 Anonymous (anonymous@undisclosed.example.com) http://pa8mm.net/doku.php?id=wireshark:bgp&rev=1772803167&do=diff WIRESHARK BGP Filter out specific BGP messages: bgp.type == 1 # OPEN bgp.type == 2 # UPDATE bgp.type == 3 # NOTIFICATION bgp.type == 4 # KEEPALIVE Combining: bgp.type eq 1 or bgp.type eq 3 text/html 2026-03-06T13:19:00+00:00 Anonymous (anonymous@undisclosed.example.com) http://pa8mm.net/doku.php?id=wireshark:wireshark&rev=1772803140&do=diff TROUBLESHOOTING WITH WIRESHARK KEY TASKS * Duplicate ACKs are sent by a receiver to request a missing packet * Window update - usually a good sign (recovery, buffer is increasing) NARROWING DOWN A VIEW * tcp.analysis.flags - show window update, dupes etc