You don't need it, but it's recommended. When you don't have it, IOS
will warn you about it. If you know what you're doing (i.e. you are
using different mask on your Loopback or using a different interface
as LDP Router-ID), you can safely ignore it.
-- Marko Milivojevic - CCIE #18427 Senior Technical Instructor - IPexpert FREE CCIE training: http://bit.ly/vLecture Mailto: markom_at_ipexpert.com Telephone: +1.810.326.1444 Web: http://www.ipexpert.com/ On Sat, Jan 22, 2011 at 17:19, Tom Kacprzynski <tom.kac_at_gmail.com> wrote: > Hello, > I'm trying to understand why in MPLS using LDP you need B a host route (/32) > to the LDP router ID, can anyone explain or point me somewhere? > > Rack1R5#sh mpls ldp discovery detail > B Local LDP Identifier: > B B 150.1.5.5:0 > B B Discovery Sources: > B B Interfaces: > B B B B Serial0/0/1 (ldp): xmit/recv > B B B B B B Enabled: Interface config > B B B B B B Hello interval: 5000 ms; Transport IP addr: 150.1.5.5 > B B B B B B LDP Id: 155.1.146.4:0; no host route to transport addr > B <-----no host route > B B B B B B B Src IP addr: 155.1.45.4; Transport IP addr: 155.1.146.4 > B B B B B B B Hold time: 15 sec; Proposed local/peer: 15/15 sec > B B B B B B B Reachable via 155.1.146.0/24 > > Thanks in advance for any help. > > Tom > > > Blogs and organic groups at http://www.ccie.net > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html Blogs and organic groups at http://www.ccie.netReceived on Sat Jan 22 2011 - 19:47:41 ART
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