From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Tue May 30 2006 - 20:47:19 ART
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
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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?
> >
> >
This archive was generated by hypermail 2.1.4 : Thu Jun 01 2006 - 06:33:22 ART