From: Pavel Bykov (slidersv@gmail.com)
Date: Thu Dec 04 2008 - 00:23:12 ARST
Not taking MSDP into account, PIM needed to be enabled on Fa 0/0 because you
have to enable PIM on RP interface!! RP will not work with PIM not enabled
on that interface.
So that's the whiole connundrum.
If you set RP to Lo interface, then you can continue with MSDP
experimentation.
On Wed, Dec 3, 2008 at 10:08 AM, Peter Chuba <ptchuba@live.com> wrote:
> Thanks Hobbs. I finally understood this. Got it working
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Hobbs
> Sent: Tuesday, December 02, 2008 6:01 PM
> To: Peter Chuba
> Cc: Cisco certification
> Subject: Re: MSDP question
>
> You still need PIM. I think what creates the domain is what scope of the RP
> is...
>
> On 12/2/08, Peter Chuba <ptchuba@live.com> wrote:
> >
> > Hi All,
> >
> > I'm using the IEWB 4.1 Vol1 IP multicast. There's this question on MSDP.
> > For some reason I can't get traffic from SW1 to SW2.
> >
> > In the configuration I did not configure pim sparse-mode on R2 F0/0 and
> R4
> > E0/0 as shown in workbook. I think this is wrong because a PIM neighbor
> > relationship is formed as if this is one PIM domain. Am I wrong?
> >
> > I joined SW2 to group 224.1.1.1 and pinged this address from SW1 with
> > repeat
> > count of 5. There is a reply for the first ping but subsequent ones fail.
> > If
> > I leave this for about five minutes, 1 ping goes through again and
> > subsequent ones fail. I can see the msdp peers quite alright.
> >
> > Also when I do : sh ip rpf 10.1.37.7 on R4 I get RPF information for ?
> > (10.1.37.7) failed, no route exists even though this route is in the
> > routing
> > table. Any help will be very much appreciated. By the way I'm using
> > dynamips
> >
> > Thanks
> >
> > R4#sh run
> >
> > ip multicast-routing
> > no ip ips deny-action ips-interface
> > !
> > no crypto isakmp ccm
> > !
> > interface Loopback0
> > ip address 150.1.4.4 255.255.255.255
> > !
> > interface FastEthernet0/0
> > ip address 150.1.24.4 255.255.255.0
> > duplex auto
> > speed auto
> > !
> > interface Serial1/0
> > no ip address
> > encapsulation frame-relay
> > serial restart-delay 0
> > no dce-terminal-timing-enable
> > no fair-queue
> > !
> > interface Serial1/0.1 point-to-point
> > ip address 150.1.45.4 255.255.255.0
> > ip pim sparse-mode
> > frame-relay interface-dlci 405
> > !
> > router ospf 1
> > log-adjacency-changes
> > network 150.1.4.4 0.0.0.0 area 0
> > network 150.1.45.0 0.0.0.255 area 0
> > default-information originate always
> > !
> > router bgp 2
> > no synchronization
> > bgp log-neighbor-changes
> > redistribute ospf 1
> > neighbor 150.1.24.2 remote-as 1
> > no auto-summary
> > !
> > ip http server
> > no ip http secure-server
> > ip classless
> > !
> > !
> > ip pim rp-address 150.1.24.4
> > ip msdp peer 150.1.24.2 remote-as 1
> > !
> >
> >
> >
> > R4#sh ip route
> >
> > Gateway of last resort is not set
> >
> > 10.0.0.0/24 is subnetted, 2 subnets
> > B 10.1.37.0 [20/129] via 150.1.24.2, 01:17:32
> > O 10.1.68.0 [110/66] via 150.1.45.5, 01:17:19, Serial1/0.1
> > 150.1.0.0/16 is variably subnetted, 13 subnets, 2 masks
> > C 150.1.24.0/24 is directly connected, FastEthernet0/0
> > O 150.1.8.8/32 [110/67] via 150.1.45.5, 01:17:19, Serial1/0.1
> > B 150.1.7.7/32 [20/130] via 150.1.24.2, 01:17:02
> > O 150.1.6.6/32 [110/66] via 150.1.45.5, 01:17:19, Serial1/0.1
> > O 150.1.5.5/32 [110/65] via 150.1.45.5, 01:17:19, Serial1/0.1
> > C 150.1.4.4/32 is directly connected, Loopback0
> > B 150.1.3.3/32 [20/129] via 150.1.24.2, 01:17:32
> > B 150.1.2.2/32 [20/0] via 150.1.24.2, 01:18:02
> > B 150.1.1.1/32 [20/65] via 150.1.24.2, 01:17:32
> > B 150.1.13.0/24 [20/128] via 150.1.24.2, 01:17:33
> > B 150.1.12.0/24 [20/0] via 150.1.24.2, 01:18:03
> > O 150.1.56.0/24 [110/65] via 150.1.45.5, 01:17:20, Serial1/0.1
> > C 150.1.45.0/24 is directly connected, Serial1/0.1
> >
> >
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-- Pavel Bykov ---------------- Don't forget to help stopping the braindumps, use of which reduces value of your certifications. Sign the petition at http://www.stopbraindumps.com/Blogs and organic groups at http://www.ccie.net
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