From: Ovidiu Neghina (o.neghina@gmail.com)
Date: Mon Jan 26 2009 - 17:12:05 ARST
Moreover the solution does not enable pim sparse mode on the loopback
interface of the BSR candidate.Without it the BSR does not generate
the BSR messages.
To make a long story short the solution for IE workbook has:
on R1, RP candidate, on interface lo0, command ip pim sparse-mode
on R5, BSR candndiate, on interfaces lo0 , pim sparse is not enabled.
It should be the over way around:
R1,RP candidate:
ip pim rp-candidate Loopback0
Rack1R1#sh run int lo0
interface Loopback0
ip address 150.1.1.1 255.255.255.255
end
R5,BSR candidate:
ip pim bsr-candidate Loopback0 0
Rack1R5#sh run int lo0
interface Loopback0
ip address 150.1.5.5 255.255.255.255
ip pim sparse-mode
end
any feedback is appreciated.
Ovidiu
On Mon, Jan 26, 2009 at 8:42 PM, Ovidiu Neghina <o.neghina@gmail.com> wrote:
> For <ip pim bsr-candidate> the usage guidelines from CCO specifies
> that we should enable pim sparse mode on the interfaces used as
> address for BSR.
>
> The question is do we need to enable ip pim sparse-mode on the
> interface used as the RP candidate address ?
> I have a scenario (IE CCIE SP Vol1, Bootstrap Router) that it works
> without enabling pim sparse mode on loopback 0 on the candidate RP.
> However the solution has the command pim sparse mode under the
> loopback interface.
>
> br,
> Ovidiu
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