From: Capt.Spock (capt.spock@gmail.com)
Date: Fri Mar 04 2005 - 11:00:34 GMT-3
Thanks brian! I had to wait for the next slot on rack rental for
debugging. Aftre "no ip mroute-cache" I could see more info for debug
ip mpacket. It is intermetittent failure.
First time....Success With 1 repeat count....
Packet sent with a source address of 183.1.2.2
*Mar 1 00:51:05.921: IP(0): s=183.1.2.2 (Ethernet0/0) d=226.26.26.26 (Serial0/0
) id=17, prot=1, len=100(100), mforward
Reply to request 0 from 183.1.0.5, 104 ms
Reply to request 0 from 183.1.0.5, 120 ms
After 5 times.. failure...
Packet sent with a source address of 183.1.2.2
Sending 1, 100-byte ICMP Echos to 226.26.26.26, timeout is 2 seconds:
Packet sent with a source address of 183.1.2.2
.
During a failure NO debug messages.
After some time it works fine....
On Wed, 2 Mar 2005 17:51:47 -0500, Brian McGahan
<bmcgahan@internetworkexpert.com> wrote:
> Only process switched traffic can be debugged. Issue the "no ip
> mroute-cache" command on the transit interfaces and then debug ip
> mpacket for more info.
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
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>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > Capt.Spock
> > Sent: Wednesday, March 02, 2005 3:17 PM
> > To: ccielab@groupstudy.com
> > Subject: IE Sample Lab: Multicast:
> >
> > I missing something very basic here in the Multicast section of the
> sample
> > lab.
> >
> > IE Sample Lab: Multicast: (E0)----R2
> (S0)---------(S0)R3-----------(S0)R5-
> > --(E0)
> >
> > Configured Auto RP with R3 Loop as RP, and R2 Loop as Mapping agent,
> > R5 E0 is joined to 226.26.26.26
> >
> > Req:- R5 should respond to echo-req sourced from R2 Ethernet
> interface.
> >
> > R5 responds for the pings from Loopback (ping 226.26.26.26) and Serial
> > interface (extended ping) of R2. But when pinged from Eth0 of R2 once
> > in a while it responds partially after a reboot. Debug ip mpacket does
> > not show anything on R3 or R5. my configs are similar to the solution
> > provided. Any suggestions?
> >
> > First time PING from Eth of R2 is partial
> > success.....................................
> >
> > R2#ping
> > Protocol [ip]:
> > Target IP address: 226.26.26.26
> > Repeat count [1]: 5
> > Datagram size [100]:
> > Timeout in seconds [2]:
> > Extended commands [n]: y
> > Interface [All]: ethernet0/0
> > Time to live [255]:
> > Source address: 183.1.2.2
> > Type of service [0]:
> > Set DF bit in IP header? [no]:
> > Validate reply data? [no]:
> > Data pattern [0xABCD]:
> > Loose, Strict, Record, Timestamp, Verbose[none]:
> > Sweep range of sizes [n]:
> > Type escape sequence to abort.
> > Sending 5, 100-byte ICMP Echos to 226.26.26.26, timeout is 2 seconds:
> > Packet sent with a source address of 183.1.2.2
> >
> > Reply to request 0 from 183.1.0.5, 136 ms
> > Reply to request 0 from 183.1.0.5, 156 ms
> > Reply to request 1 from 183.1.0.5, 104 ms
> > Reply to request 1 from 183.1.0.5, 124 ms...
> >
> > Second ping is
> >
> failure.................................................................
> ..
> > ...............
> >
> > R2#ping
> > Protocol [ip]:
> > Target IP address: 226.26.26.26
> > Repeat count [1]: 5
> > Datagram size [100]:
> > Timeout in seconds [2]:
> > Extended commands [n]: y
> > Interface [All]: ethernet0/0
> > Time to live [255]:
> > Source address: 183.1.2.2
> > Type of service [0]:
> > Set DF bit in IP header? [no]:
> > Validate reply data? [no]:
> > Data pattern [0xABCD]:
> > Loose, Strict, Record, Timestamp, Verbose[none]:
> > Sweep range of sizes [n]:
> > Type escape sequence to abort.
> > Sending 5, 100-byte ICMP Echos to 226.26.26.26, timeout is 2 seconds:
> > Packet sent with a source address of 183.1.2.2
> > .....
> >
> > R2#sh ip mroute 226.26.26.26
> > IP Multicast Routing Table
> > Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Co
> > 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 Advertis
> > U - URD, I - Received Source Specific Host Report, Z - Multic
> > Y - Joined MDT-data group, y - Sending to MDT-data group
> > Outgoing interface flags: H - Hardware switched
> > Timers: Uptime/Expires
> > Interface state: Interface, Next-Hop or VCD, State/Mode
> >
> > (*, 226.26.26.26), 00:02:01/stopped, RP 150.1.3.3, flags: SPF
> > Incoming interface: Serial0/0, RPF nbr 183.1.123.1
> > Outgoing interface list: Null
> >
> > (183.1.2.2, 226.26.26.26), 00:02:01/00:02:18, flags: FT
> > Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0, Forward/Sparse-Dense, 00:02:00/00:03:25
> >
> > R3#sh ip mroute 226.26.26.26
> > IP Multicast Routing Table
> > Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, 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,
> > U - URD, I - Received Source Specific Host Report, Z -
> Multicast
> > Tunn
> > Y - Joined MDT-data group, y - Sending to MDT-data group
> > Outgoing interface flags: H - Hardware switched
> > Timers: Uptime/Expires
> > Interface state: Interface, Next-Hop or VCD, State/Mode
> >
> > (*, 226.26.26.26), 00:02:43/stopped, RP 150.1.3.3, flags: S
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0, Forward/Sparse-Dense, 00:02:43/00:02:46
> >
> > (183.1.2.2, 226.26.26.26), 00:02:40/00:00:58, flags: T
> > Incoming interface: Serial0/1, RPF nbr 183.1.123.2
> > Outgoing interface list:
> > Serial0/0, Forward/Sparse-Dense, 00:02:40/00:02:46
> >
> > R5#sh ip mroute 226.26.26.26
> > IP Multicast Routing Table
> > Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, 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,
> > U - URD, I - Received Source Specific Host Report, Z -
> Multicast
> > Tunnel
> > Y - Joined MDT-data group, y - Sending to MDT-data group
> > Outgoing interface flags: H - Hardware switched
> > Timers: Uptime/Expires
> > Interface state: Interface, Next-Hop or VCD, State/Mode
> >
> > (*, 226.26.26.26), 00:10:11/stopped, RP 150.1.3.3, flags: SJCL
> > Incoming interface: Serial0/0, RPF nbr 183.1.0.3
> > Outgoing interface list:
> > Ethernet0/0, Forward/Sparse-Dense, 00:10:11/00:02:42
> >
> > (183.1.2.2, 226.26.26.26), 00:00:30/00:02:32, flags: LJT
> > Incoming interface: Serial0/0, RPF nbr 183.1.0.3, Mroute
> > Outgoing interface list:
> > Ethernet0/0, Forward/Sparse-Dense, 00:00:30/00:02:42
> >
> >
> > Spock.
> >
> >
> _______________________________________________________________________
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