From: Godswill Oletu (oletu@inbox.lv)
Date: Mon May 01 2006 - 08:11:22 ART
Kobus,
Auto-RP, that requires 'ip pim send-rp-discovery' for its mapping agent
requires some form of dense-mode to operate for multicast address 224.0.1.39
& 224.0.1.40. So, your underlying multicast mode must be dense-mode or
sparse-dense mode. If you use sparse-mode, you must then enable 'ip pim
autorp listener' which will enable the above two multicast groups to operate
in dense mode.
For Task asking for the use of sparse-mode, but do not use 'ip pim autorp
listener' command, they are looking for BSR. If the task states, use a
method that utilize hop-by-hop; BSR will be the way to go; If the task
states, use a method that do not assign sparseness ot denseness to an
interface, then BSR might be the way to go.
One of the method is Cisco way of doing things and the other is the
industrial standard.
Others will add more examples.
HTH
Godswill Oletu
----- Original Message -----
From: "Kobus Van Rooyen" <cciein2010@webmail.co.za>
To: <ccielab@groupstudy.com>
Sent: Monday, May 01, 2006 6:01 AM
Subject: BSR-candidate vs IP PIM SEND-RP-DISCOVERY
> My require assistance with above. When must one use
> BSR-candidate vs "ip pim send-rp-discovery" in multicast
> when asked to setup one router to be responsible for RP
> mappings?
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