From: Mingzhou Nie (mnie@xxxxxxxxx)
Date: Sun Jun 02 2002 - 14:16:29 GMT-3
Hello, Tommy,
I don't have Williamson's multicast book. I will look at it when I get
chance.
Thanks,
Ming
--- Tommy C <tkc9789@hotmail.com> wrote:
> 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
>
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