From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Wed Mar 02 2005 - 19:51:47 GMT-3
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
Toll Free: 877-224-8987 x 705
Outside US: 775-826-4344 x 705
24/7 Support: http://forum.internetworkexpert.com
Live Chat: http://www.internetworkexpert.com/chat/
> -----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.
>
>
This archive was generated by hypermail 2.1.4 : Sun Apr 03 2005 - 17:56:39 GMT-3