Thread: 1st CCIE lab attempt blog and help for candidates.
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Turgon
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Join Date: Apr 2007
Location: GB
Posts: 3,238

Certifications: IE written 2001/7/9. CCIE lab preparation. Number of hours lab practice = 898 Number of hours reading = 465
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Old 06-03-2007, 06:52 PM   #18 (permalink)
Quote:
Originally Posted by dtlokee
Multicast:

When using MSDP make sure to hard-code your router-id for your routing protocols (OSPF, EIGRP, BGP, ect) since you are basically adding loopback interfaces to multiple routers with the same IP address there is a good chance the router could pick this loopback as the router-id when you reload it (as I found out) and will cause all sorts of problems. Also make sure you either statically configure the RP to use itself with the "ip pim rp-address" command or use auto-rp to announce the loopback as the RP or you will get messages like this on the RP:

Jun 2 12:19:27.155: %PIM-6-INVALID_RP_JOIN: Received (*, 224.0.1.40) Join from 199.1.55.5 for invalid RP 10.10.0.255

other than that I found MSDP to be fairly easy to configure, even using MSDP groups.

HTH
heheh thanks. I'm not sure I need any help on multicast. I think you may have put this in the wrong thread?
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