From: Hobbs (deadheadblues@gmail.com)
Date: Tue Sep 30 2008 - 23:56:31 ART
Don't mean to hijack your thread, but I thought of this email when I got
this ping result. I got it while doing testing msdp:
Cat3560-4#ping 225.0.0.25 re 1000
Type escape sequence to abort.
Sending 1000, 100-byte ICMP Echos to 225.0.0.25, timeout is 2 seconds:
..................................................................
Reply to request 66 from 100.100.100.100, 17 ms...
......................................................................
.................
Reply to request 157 from 100.100.100.100, 17 ms..................
5 bucks if you can guess the next number! :)
On Mon, Sep 29, 2008 at 4:16 PM, one atatime <pickinmynose@googlemail.com>wrote:
> My guess would be that you are successful for the first few pings then the
> Mcast group switches to the SPT across the NBMA network. There is not a
> direct PIM relationship between the spoke routers so they cannot build a
> complete tree to each other. Try the following.
>
> Make the PIM router originating the request toward the RP the pim DR for
> the
> segment originating the IGMP (using the ip pim dr-priority interface
> command). Then issue the "ip pim stp threhold infinity" command so that
> when the tree is built to the RP it will never switch to the SPT (there is
> no benefit in it doing so in this topology anyway).
>
> See if that sorts it out.
>
> Good luck
>
> Pick
>
>
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This archive was generated by hypermail 2.1.4 : Sat Oct 04 2008 - 09:26:20 ART