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Catalyst 3750 Switch Software Configuration Guide
OL-8550-09
Chapter 46 Configuring IP Multicast Routing
Monitoring and Maintaining IP Multicast Routing
Beginning in privileged EXEC mode, follow these steps to change the default metric. This procedure is
optional.
To return to the default setting, use the no ip dvmrp metric-offset interface configuration command.
Monitoring and Maintaining IP Multicast Routing
These sections describe how to monitor and maintain IP multicast routing:
• Clearing Caches, Tables, and Databases, page 46-62
• Displaying System and Network Statistics, page 46-62
• Monitoring IP Multicast Routing, page 46-63
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
interface interface-id Specify the interface to be configured, and enter interface configuration
mode.
Step 3
ip dvmrp metric-offset [in | out]
increment
Change the metric added to DVMRP routes advertised in incoming
reports.
The keywords have these meanings:
• (Optional) in—Specifies that the increment value is added to
incoming DVMRP reports and is reported in mrinfo replies.
• (Optional) out—Specifies that the increment value is added to
outgoing DVMRP reports for routes from the DVMRP routing
table.
If neither in nor out is specified, in is the default.
For increment, specify the value that is added to the metric of a DVMRP
router advertised in a report message. The range is 1 to 31.
If the ip dvmrp metric-offset command is not configured on an
interface, the default increment value for incoming routes is 1, and the
default for outgoing routes is 0.
Step 4
end Return to privileged EXEC mode.
Step 5
show running-config Verify your entries.
Step 6
copy running-config startup-config (Optional) Save your entries in the configuration file.