North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: GBLX router upgrade breaks bgp sessions
<snip> > This sounds an awful lot like a problem we saw awhile back when > upgrading from JUNOS 4.x to 5.x. At some point (I don't remember > exactly when, but the details should be in the case notes of > PR.19592) Juniper implemented a change that which makes their box > compliant with RFC 2858. However, when speaking BGP with a > non-RFC-compliant box (such as a Cisco running something like > 12.0(15)S) the session flaps continuously in the manner you > describe because the other box expects the NEXT_HOP attribute to > be present in every update message. > attribute in an UPDATE message if only the MP_REACH_NLRI attribute is > present. A workaround is to only use family inet unicast instead of > multicast or any on all BGP sessions to those cisco routers or upgrade > all of the cisco routers." <snip> Anyone have a Cisco BugID for this?
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