That's what I thought, which is why what suaveguru said made me so curious. The only problems with MTU that I thought BGP would have are the same problems that any IP packet might have with MTU (fragmentation, etc.)
""Howard C. Berkowitz"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > There's not a word about MTU in draft 17 of the update to RFC1771 > (even being on the working group, I'm not sure if draft 18 is out > yet). There is a maximum update length of 4K, but updates are > inherently variable length. > > > At 9:53 PM -0400 4/18/02, nrf wrote: > >Really? I had never heard of this problem. I'm not aware that BGP > >negotiates MTU in any of its PDU's. Can you provide the RFC that discusses > >this problem? > > > > > >""suaveguru"" wrote in message > >[EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > >> If I am not wrong this problem also occurs for BGP > >> peers with unmatched MTU sizes which causes BGP to > >> flap when they exchange routing tables , especially if > > > one neighbour is configured with full-routes > > > > > > The term "flapping" in BGP generally means that a route is rapidly > withdrawn and advertised many times in sequence. In general, high > routing activity in BGP is called "churn." This isn't in 1771, but > we have documented it in > http://www.ietf.org/internet-drafts/draft-ietf-bmwg-conterm-01.txt > (hopefully we'll be posting -02 in a week or so, and then going into > Last Call for RFC. This document is on BGP convergence). > -- > "What Problem are you trying to solve?" > ***send Cisco questions to the list, so all can benefit -- not > directly to me*** > **************************************************************************** **** > Howard C. Berkowitz [EMAIL PROTECTED] > Chief Technology Officer, GettLab/Gett Communications http://www.gettlabs.com > Technical Director, CertificationZone.com http://www.certificationzone.com > "retired" Certified Cisco Systems Instructor (CID) #93005 Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=41967&t=41613 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
