From: Tommy C (tkc9789@xxxxxxxxxxx)
Date: Sat Jun 01 2002 - 16:54:48 GMT-3
Ming, if you have Beau Williamson's book on Multicast, read again. Pay
attention to Chapter 15. He covered typical Multicast issues in NBMA
networks.
>From: Mingzhou Nie <mnie@yahoo.com>
>To: Michael Popovich <m.popovich@mchsi.com>, Tommy C <tkc9789@hotmail.com>,
> ccielab@groupstudy.com
>Subject: Re: Multicast Question
>Date: Sat, 1 Jun 2002 10:41:08 -0700 (PDT)
>
>Michael,
>
>On frame relay interfaces of the three routers, you need to configure
>"ip pim sparse-dense-mode" if you use auto-rp. "ip pim nmba" is not
>needed. Pls refer Doyle's "Routing TCP/IP II", pp559.
>
>Ming
>
>--- Michael Popovich <m.popovich@mchsi.com> wrote:
> > That is something I missed but I am still unable to ping the
> > multicast
> > address of 229.10.10.10.
> >
> > The following is my mroute cache. I notice that it seems to be
> > pointing to
> > Null on all routers:
> >
> > R2
> >
> > R2#sh ip mroute
> > IP Multicast Routing Table
> > Flags: D - Dense, S - Sparse, C - Connected, L - Local, P - Pruned
> > R - RP-bit set, F - Register flag, T - SPT-bit set, J - Join
> > SPT
> > M - MSDP created entry, X - Proxy Join Timer Running
> > A - Candidate for MSDP Advertisement
> > Outgoing interface flags: H - Hardware switched
> > Timers: Uptime/Expires
> > Interface state: Interface, Next-Hop or VCD, State/Mode
> >
> > (*, 224.0.1.39), 03:08:43/00:00:00, RP 0.0.0.0, flags: DJCL
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Ethernet0/0, Forward/Dense, 03:08:43/00:00:00
> >
> > (150.50.17.2, 224.0.1.39), 02:58:50/00:02:10, flags: PCLT
> > Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
> > Outgoing interface list: Null
> >
> > (*, 224.0.1.40), 03:29:41/00:00:00, RP 0.0.0.0, flags: DJCL
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Ethernet0/0, Forward/Dense, 03:29:41/00:00:00
> >
> > (*, 229.10.10.10), 00:02:59/00:03:29, RP 150.50.17.2, flags: S
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:02:58/00:02:31
> > Serial0/0.2, 192.100.2.5, Forward/Sparse, 00:02:58/00:03:29
> >
> > (150.50.17.2, 229.10.10.10), 00:02:59/00:00:00, flags: T
> > Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:02:58/00:02:01
> > Serial0/0.2, 192.100.2.5, Forward/Sparse, 00:02:58/00:02:59
> >
> > (192.100.2.2, 229.10.10.10), 00:02:59/00:00:00, flags: P
> > Incoming interface: Serial0/0.2, RPF nbr 0.0.0.0
> > Outgoing interface list: Null
> >
> > (192.100.2.5, 229.10.10.10), 00:00:23/00:02:37, flags: T
> > Incoming interface: Serial0/0.2, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.5, Forward/Sparse, 00:00:23/00:02:36
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:00:23/00:02:36
> >
> > (192.100.2.6, 229.10.10.10), 00:01:39/00:01:20, flags: T
> > Incoming interface: Serial0/0.2, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.5, Forward/Sparse, 00:01:39/00:01:20
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:01:39/00:01:20
> >
> > (192.168.50.5, 229.10.10.10), 00:00:24/00:02:35, flags:
> > Incoming interface: Serial0/0.2, RPF nbr 192.100.2.5
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:00:24/00:02:35
> >
> > (192.168.50.6, 229.10.10.10), 00:01:39/00:01:20, flags:
> > Incoming interface: Serial0/0.2, RPF nbr 192.100.2.5
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:01:39/00:01:20
> > R2#sh ip mroute
> > IP Multicast Routing Table
> > Flags: D - Dense, S - Sparse, C - Connected, L - Local, P - Pruned
> > R - RP-bit set, F - Register flag, T - SPT-bit set, J - Join
> > SPT
> > M - MSDP created entry, X - Proxy Join Timer Running
> > A - Candidate for MSDP Advertisement
> > Outgoing interface flags: H - Hardware switched
> > Timers: Uptime/Expires
> > Interface state: Interface, Next-Hop or VCD, State/Mode
> >
> > (*, 224.0.1.39), 03:08:43/00:00:00, RP 0.0.0.0, flags: DJCL
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Ethernet0/0, Forward/Dense, 03:08:43/00:00:00
> >
> > (150.50.17.2, 224.0.1.39), 02:58:50/00:02:10, flags: PCLT
> > Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
> > Outgoing interface list: Null
> >
> > (*, 224.0.1.40), 03:29:41/00:00:00, RP 0.0.0.0, flags: DJCL
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Ethernet0/0, Forward/Dense, 03:29:41/00:00:00
> >
> > (*, 229.10.10.10), 00:02:59/00:03:29, RP 150.50.17.2, flags: S
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:02:58/00:02:31
> > Serial0/0.2, 192.100.2.5, Forward/Sparse, 00:02:58/00:03:29
> >
> > (150.50.17.2, 229.10.10.10), 00:02:59/00:00:00, flags: T
> > Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:02:58/00:02:01
> > Serial0/0.2, 192.100.2.5, Forward/Sparse, 00:02:58/00:02:59
> >
> > (192.100.2.2, 229.10.10.10), 00:02:59/00:00:00, flags: P
> > Incoming interface: Serial0/0.2, RPF nbr 0.0.0.0
> > Outgoing interface list: Null
> >
> > (192.100.2.5, 229.10.10.10), 00:00:23/00:02:37, flags: T
> > Incoming interface: Serial0/0.2, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.5, Forward/Sparse, 00:00:23/00:02:36
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:00:23/00:02:36
> >
> > (192.100.2.6, 229.10.10.10), 00:01:39/00:01:20, flags: T
> > Incoming interface: Serial0/0.2, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.5, Forward/Sparse, 00:01:39/00:01:20
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:01:39/00:01:20
> >
> > (192.168.50.5, 229.10.10.10), 00:00:24/00:02:35, flags:
> > Incoming interface: Serial0/0.2, RPF nbr 192.100.2.5
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:00:24/00:02:35
> >
> > (192.168.50.6, 229.10.10.10), 00:01:39/00:01:20, flags:
> > Incoming interface: Serial0/0.2, RPF nbr 192.100.2.5
> > Outgoing interface list:
> > Serial0/0.2, 192.100.2.6, Forward/Sparse, 00:01:39/00:01:20
> >
> >
> > R5
> >
> > R5#sh ip mroute
> > IP Multicast Routing Table
> > Flags: D - Dense, S - Sparse, C - Connected, L - Local, P - Pruned
> > R - RP-bit set, F - Register flag, T - SPT-bit set, J - Join
> > SPT
> > M - MSDP created entry, X - Proxy Join Timer Running
> > A - Candidate for MSDP Advertisement
> > Outgoing interface flags: H - Hardware switched
> > Timers: Uptime/Expires
> > Interface state: Interface, Next-Hop or VCD, State/Mode
> >
> > (*, 224.0.1.39), 03:28:56/00:02:59, RP 0.0.0.0, flags: DJC
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0, 224.0.1.39, Forward/Sparse, 03:09:09/00:02:54
> > FastEthernet0/0, Forward/Dense, 03:28:56/00:00:00
> >
> > (150.50.17.2, 224.0.1.39), 00:01:15/00:01:44, flags: PCT
> > Incoming interface: Serial0/0, RPF nbr 192.100.2.2
> > Outgoing interface list:
> > FastEthernet0/0, Prune/Dense, 00:01:15/00:01:44
> >
> > (*, 224.0.1.40), 03:29:32/00:00:00, RP 0.0.0.0, flags: DJCL
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > FastEthernet0/0, Forward/Dense, 03:28:57/00:00:00
> > Serial0/0, 224.0.1.40, Forward/Sparse, 03:29:33/00:02:54
> >
> > (192.100.2.2, 224.0.1.40), 03:08:57/00:02:25, flags: PCLT
> > Incoming interface: Serial0/0, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > FastEthernet0/0, Prune/Dense, 03:08:57/00:02:25
> >
> > (*, 229.10.10.10), 00:03:23/00:02:59, RP 150.50.17.2, flags: SF
> > Incoming interface: Serial0/0, RPF nbr 192.100.2.2
> > Outgoing interface list:
> > FastEthernet0/0, Forward/Dense, 00:03:23/00:00:00
> >
> > (192.100.2.5, 229.10.10.10), 00:00:47/00:02:12, flags: PFT
> > Incoming interface: Serial0/0, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > FastEthernet0/0, Prune/Dense, 00:00:47/00:02:12
> >
> > (192.100.2.6, 229.10.10.10), 00:02:02/00:00:57, flags: PFT
> > Incoming interface: Serial0/0, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > FastEthernet0/0, Prune/Dense, 00:02:02/00:00:57
> >
> > (192.168.50.5, 229.10.10.10), 00:00:48/00:02:41, flags: T
> > Incoming interface: FastEthernet0/0, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0, 192.100.2.2, Forward/Sparse, 00:00:48/00:03:05
> >
> > (192.168.50.6, 229.10.10.10), 00:02:03/00:00:56, flags: T
> > Incoming interface: FastEthernet0/0, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0, 192.100.2.2, Forward/Sparse, 00:02:03/00:03:05
> >
> > R6
> >
> > R6#sh ip mroute
> > IP Multicast Routing Table
> > Flags: D - Dense, S - Sparse, C - Connected, L - Local, P - Pruned
> >
>=== message truncated ===
>
>
>=====
>- | |
> :|||: :|||:
> :|||||||: :|||||||:
> .:|||||||||||:.:|||||||||||:.
> C i s c o S y s t e m s
> www.cisco.com/tac
>Empowering the Internet Generation
>
This archive was generated by hypermail 2.1.4 : Tue Jul 02 2002 - 08:12:20 GMT-3