Howard C. Berkowitz wrote: > > At 10:46 PM +0000 7/8/03, Zsombor Papp wrote: > >The LSA will be fragmented at the IP layer. > > Do you know for certain this is what Cisco's implementation > does? > The OSPF code is aware of the MTU and can build OSPF packets > for it. > I don't think you're really going to simplify it by relieving > it of > the need to keep track of lengths.
Can you think of a good way to test it in a lab?? The RFC says that dividing up the updates is recomended over letting IP do the fragmentation and Cisco is generally good at doing things the recommended way usually. Priscilla > > On the other hand, if you send a LSupdate that is at the MTU, > the > receiving router can immediately start checking and installing > it in > the LSDB, without waiting for fragments. This allows some > concurrency > between OSPF packet transmission and OSPF protocol processing. > > >At 11:39 AM 7/8/2003 +0000, hebn9999 wrote: > >>layer 2 frame has a MTU of 1500 bytes. > >> how does cisco router propagate router-lsa whose size > exceed 1500 > > >bytes(more than 122 links in one area)? > > Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=72047&t=72024 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

