3com 8807 参照ガイド
Ethernet Port Configuration Commands
141
Use the undo multicast-suppression command to disable the broadcast
suppression function.
suppression function.
The default multicast suppression ratio is 100%.
You can use the multicast-suppression command repeatedly. The effective
multicast suppression ratio value is the one last updated.
multicast suppression ratio value is the one last updated.
c
CAUTION:
■
You cannot enable both multicast suppression and broadcast suppression
simultaneously on the same card. Namely, once you have enabled broadcast
suppression on some ports of a card, you cannot enable multicast suppression
on the other ports of the card, and vice versa. Although the commands are
based on ports, the mutual exclusion between these two commands is based
on cards.
simultaneously on the same card. Namely, once you have enabled broadcast
suppression on some ports of a card, you cannot enable multicast suppression
on the other ports of the card, and vice versa. Although the commands are
based on ports, the mutual exclusion between these two commands is based
on cards.
■
If multicast suppression is enabled, broadcast packets are also suppressed at
the same time, while broadcast suppression does not work on multicast
packets.
the same time, while broadcast suppression does not work on multicast
packets.
■
No distinction is made between known multicast and unknown multicast for
multicast suppression.
multicast suppression.
Related command: broadcast-suppression.
Example
# Set the multicast suppression ratio to 40%.
<SW8800>system-view
System View: return to User View with Ctrl+Z.
[SW8800]interface Ethernet 2/1/1
[3Com-Ethernet2/1/1] multicast-suppression 40
# Set the multicast suppression bandwidth to 40Mbit.
[3Com-Ethernet2/1/1] multicast-suppression bandwidth 40
# Disable the multicast suppression function.
[3Com-Ethernet2/1/1] undo multicast-suppression
port access vlan
Syntax
port access vlan vlan-id
undo port access vlan
View
Ethernet port view
Parameter
vlan-id: VLAN ID defined in IEEE802.1Q, ranging from 2 to 4094.
Description
Use the port access vlan command to add the access port into a specified VLAN.