From: Stefan Grey (examplebrain@hotmail.com)
Date: Sun Oct 16 2005 - 14:06:36 GMT-3
Hello group,
I just read one example of configuring reliable RP point in the PIM sparse
mode using msdp.
Look:
R1 (rouer id is 1.1.1.1)
int lo0
ip add 1.1.1.1
int lo1
ip pim sparse-mode
ip add 10.10.10.10 255.255.255.255
ip msdp peer 1.1.2.2 connect-source lo0
ip msdp originator-id lo0
ip pim rp-address 10.10.10.10
R2 (router-id is 1.1.2.2)
int lo0
ip add 1.1.2.2
int lo1
ip pim sparse-mode
ip add 10.10.10.10 255.255.255.255
ip msdp peer 1.1.1.1 connect-source lo0
ip msdp originator-id lo0
ip pim rp-address 10.10.10.10
something like this and all other routers could use just the 10.10.10.10
address as the RP point. And if one of ther router will fail the other
router could just act as the RP.
I configured this and it seems to work as it should.
When I read about MSDP I read that this is interAS multicast protocol. And
is configured only between different ASs. Well I found just one example when
it could be used in one AS but with different ip addresses of the RPs.
Please. Could some one explain the logic of such behaviour, how is it
possible to use that, and how MSDP acts in this situation. What is really
happening in this config??
Is this correct at all??
Thanks,
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