Avaya Configuring IP Multicasting and Multimedia Services Manual de usuario Pagina 367

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Troubleshooting Commands
117355-D Rev 00
B-3
source
is the source of the multicast tree.
destination
is the receiver for a particular multicast group.
group
is a multicast group. The default group is 224.2.0.1. If you do not specify a
group, the
mtrace command does not display statistics.
For example, the following
mtrace command specifies source 192.32.27.193,
destination 192.32.199.162, and group 224.2.0.1.
$ mtrace 192.32.27.193 192.32.199.162 224.2.0.1
Mtrace from 192.32.27.193 to 192.32.199.162 via group 224.2.0.1
Querying full reverse path...
0 192.32.199.162
-1 192.32.199.162 DVMRP thresh^ 1
-2 192.32.27.193
Round trip time 1039 ms; total ttl of 2 required.
Waiting to accumulate statistics...
Source Response Dest Overall Packet Statistics For
Traffic From
192.32.27.193 192.32.199.161 Packet 192.32.27.193 To
224.2.0.1
v __/ rtt 3ms Rate Lost/Sent = Pct Rate
192.32.27.193
192.32.199.162
v \__ ttl 2 0 pps
192.32.199.162 * * *
Receiver Query Source
-S
<statint>
Change the interval between statistics gathering traces to the
specified number of seconds. The default value is 10 seconds.
-t
<ttl>
Set the time to live (TTL) for multicast trace queries and
responses to the value you specify. TTL equals the number of
hops. The default
ttl
value is 127 hops. For local queries to the
“all queries” multicast group, the default is one hop.
-U
Always request the response using unicast rather than
attempting multicast first.
-v
Use verbose mode. In verbose mode,
mtrace
shows hop times
on the initial trace and statistics display, as well as the route that
was used to forward the initial trace.
-w
<wait>
Set the time to wait for a trace response to the number of
seconds you specify. The default
wait
value is 3 seconds.
Table B-1. mtrace Options
(continued)
Option Meaning
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