From: Bryant, Paul M (paul.m.bryant@uk.verizonbusiness.com)
Date: Wed May 31 2006 - 08:02:40 ART
Mroute is for altering mcast view of network so this route says source is
available via this unicast address not via the address the unicast routing
table shows. So there is no mention of a group this is concerned with rpf to
source/rp.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Koen
Zeilstra
Sent: 31 May 2006 09:23
To: Brian McGahan
Cc: Radoslav Vasilev; srdja blagojevic; Cisco certification
Subject: RE: AutoRP on a single subnet issue
This seems wrong. There should be a multicast address in the mroute
ip mroute 150.1.2.2 255.255.255.255 141.1.0.2 ip route 150.1.2.2
255.255.255.255 141.1.0.2
-----------------------
Everything you know is wrong!
On Tue, 30 May 2006, Brian McGahan wrote:
| On the switch's interface connected to the VLAN issue the "no ip
| mroute-cache" command and then "debug ip mpacket" and "debug ip pim
| autorp". What does the output here show?
|
| Brian McGahan, CCIE #8593
| bmcgahan@internetworkexpert.com
|
| Internetwork Expert, Inc.
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|
| > -----Original Message-----
| > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
| Of
| > Radoslav Vasilev
| > Sent: Tuesday, May 30, 2006 5:06 PM
| > To: srdja blagojevic
| > Cc: Cisco certification
| > Subject: Re: AutoRP on a single subnet issue
| >
| > Doesn't help!
| >
| >
| >
| > On 5/30/06, srdja blagojevic <srdja1@pexim.co.yu> wrote:
| > >
| > >
| > > Radoslave,
| > >
| > > can you try with ip pim sparse-dense mode on loopback0 interface
| > > of
| your
| > > R2
| > > router?
| > >
| > > Srdja
| > >
| > > -----Original Message-----
| > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
| > > Behalf
| Of
| > > Radoslav Vasilev
| > > Sent: Tuesday, May 30, 2006 21:08
| > > To: Cisco certification
| > > Subject: AutoRP on a single subnet issue
| > >
| > > Hi Group,
| > >
| > > The following issue drives me bananas. Part of my multicast task
| > > is
| to
| > > configure AutoRP and am currently trying to achieve this on a
| > > single subnet over VLAN 258.
| > > Three routers there - R2, R5, and Switch2.
| > >
| > > I'm trying to configure R2 as both a candidate RP and mapping agent:
| > >
| > > ip pim send-rp-announce Loopback0 scope 20 interval 10 ip pim
| > > send-rp-discovery Loopback0 scope 20
| > >
| > > the interface connected to vlan 258:
| > >
| > > interface FastEthernet0/0
| > > ip address 141.1.0.2 255.255.255.0 ip pim sparse-dense-mode duplex
| > > auto speed auto
| > >
| > > interface Loopback0
| > > ip address 150.1.2.2 255.255.255.0 ip pim sparse-mode
| > >
| > >
| > > Now, going to Swtich2, which is Cisco 3750, 12.2(25) SEB4:
| > >
| > > configuration:
| > > ip mroute 150.1.2.2 255.255.255.255 141.1.0.2 ip route 150.1.2.2
| > > 255.255.255.255 141.1.0.2
| > >
| > > interface Loopback0
| > > ip address 150.1.8.8 255.255.255.0
| > > ip pim sparse-dense-mode
| > >
| > > interface Vlan258
| > > ip address 141.1.0.8 255.255.255.0
| > > ip pim sparse-dense-mode
| > >
| > > Rack1SW2#sh ip pim rp map
| > > PIM Group-to-RP Mappings
| > >
| > > Rack1SW2#sh ip mroute
| > > (*, 224.0.1.39), 00:15:47/stopped, RP 0.0.0.0, flags: DC
| > > Incoming interface: Null, RPF nbr 0.0.0.0
| > > Outgoing interface list:
| > > Vlan258, Forward/Sparse-Dense, 00:15:47/00:00:00
| > >
| > > (150.1.2.2, 224.0.1.39), 00:02:58/00:00:03, flags: PTX
| > > Incoming interface: Vlan258, RPF nbr 141.1.0.2, Mroute
| > > Outgoing interface list: Null
| > >
| > > (*, 224.0.1.40), 00:16:29/stopped, RP 0.0.0.0, flags: DCL
| > > Incoming interface: Null, RPF nbr 0.0.0.0
| > > Outgoing interface list:
| > > Vlan258, Forward/Sparse-Dense, 00:15:56/00:00:00
| > > Loopback0, Forward/Sparse-Dense, 00:16:29/00:00:00
| > >
| > > (150.1.2.2, 224.0.1.40), 00:15:33/00:02:27, flags: LT
| > > Incoming interface: Vlan258, RPF nbr 141.1.0.2, Mroute
| > > Outgoing interface list:
| > > Loopback0, Forward/Sparse-Dense, 00:15:33/00:00:00
| > >
| > > As seen above, 150.1.2.2 (R2 loopback) is sending discovery
| messages,
| > they
| > > are received on Vlan258 in this switch, but no successfull RP
| mappings
| > are
| > > installed.
| > >
| > > Rack1SW2#sh ip route
| > > S 150.1.5.5/32 [1/0] via 141.1.0.5
| > > S 150.1.2.2/32 [1/0] via 141.1.0.2
| > > C 150.1.8.0/24 is directly connected, Loopback0
| > > B 205.90.31.0/24 [200/0] via 141.1.0.2, 00:16:34
| > > O*IA 0.0.0.0/0 [110/2] via 141.1.0.5, 00:16:48, Vlan258
| > > [110/2] via 141.1.0.2, 00:16:48, Vlan258
| > >
| > >
| > >
| > > debug ip pim autorp doesn't give me any output!
| > >
| > > Any ideas?
| > >
| > >
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| >
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