Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 1 Multicast Common Configuration
Commands
3Com Corporation
1-10
Parameter
limit: Limit of multicast routing table capacity, ranging from 0 to MAX_MROUTE_LIMIT.
In which, MAX_MROUTE_LIMIT differs with the different router types.
Description
Use the multicast route-limit command to limit the multicast routing table capacity. If
the capacity exceeds the limit, the router will discard protocols and data packets of the
newly-added (S, G).
By default, the limit of multicast routing table capacity is MAX_MROUTE_LIMIT.
If the number of route entries in the routing table has exceeded the configured number
when configuring the command, the previous route entry in the routing table will not be
deleted. The system will prompt “The number of current route entries is more than that
configured.”
If this command is executed repeatedly, the new configuration will overwrite the
previous one.
Example
# Limit the multicast routing table capacity to 1000.
[3Com] multicast route-limit 1000
1.1.12 multicast routing-enable
Syntax
multicast routing-enable
undo multicast routing-enable
View
System view
Parameter
None
Description
Use the multicast routing-enable command to enable IP multicast routing.
Use the undo multicast routing-enable command to disable IP multicast routing.
By default, IP multicast routing is disabled.
the system will not forward any multicast packet when IP multicast routing is disabled.
Related command: pim dm and pim sm.