3Com Router 3031, Command Reference Manual

Page: 730 / 838

730 C
HAPTER
7: M
ULTICAST
C
OMMON
C
ONFIGURATION
C
OMMANDS
Description
Using the msdp command, you can enable MSDP and enter the MSDP view. Using
the undo msdp command, you can clear all configurations of MSDP, release all
resources that MSDP occupies, and restore the initial state.
For the related command, see peer.
Example
Clear all configurations of MSDP.
<3Com> system-view
<3Com] undo msdp
msdp-tracert Syntax
msdp-tracert source-address group-address rp-address [ max-hops max-hops ] [
next-hop-info ] [ sa-info ] [ peer-info ] [ skip-hops skip-hops ]
View
Any view
Parameter
source-address: Multicast address address.
group-address: Multicast group address.
rp-address: IP address of RP.
max-hops: The maximum number of hops that are traced, ranging from 1 to 255.
By default, the value is 16.
next-hop-info: Flag bit for collecting the next hop information.
sa-info: Flag bit for collecting SA entity information.
peer-info: Flag bit for collecting MSDP peer information.
skip-hops: Number of hops that are skipped before collecting detailed
information, ranging from 0 to 255. By default, the value is 0.
Description
Using the msdp-tracert command, you can trace the transmission path of SA
messages in the network, which helps to locate the faults such as information loss
and configuration error. After the transmission path of SA messages is
determined, correct configuration can avoid the overflow of SA messages.
Example
Trace (10.10.1.1, 225.2.2.2, 20.20.20.20) path information.
<3Com> msdp-tracert 10.10.1.1 225.2.2.2 20.20.20.20
Specify the maximum number of hops that are traced and collect detailed
information of SA and MSDP peer.