Command Reference Guide

134 ● firewall ethernet-frame-filter 3Com Router 5000 Family and Router 6000 Family
Command Reference
firewall ethernet-frame-filter
Purpose Use the firewall ethernet-frame-filter command to apply a MAC-based
ACL on the interface.
Use the undo firewall ethernet-frame-filter command to remove the
MAC-based ACL from the interface.
Syntax firewall ethernet-frame-filter acl-number { inbound | outbound }
undo firewall ethernet-frame-filter acl-number { inbound | outbound }
Parameters acl-number
Number of a MAC-based ACL.
inbound
Filters the Ethernet frames received on the interface.
outbound
Filters the Ethernet frames forwarded from the
interface.
Example Configure filtering rule (ACL 4000) in the receiving direction on the interface
Ethernet0/0/0.
[3Com-Etherhet0/0/0] firewall ethernet-frame-filter 4000 inbound
Apply ACL 4001 to the outbound direction of interface dialer 0.
[3Com-Dialer0] firewall ethernet-frame-filter 4001 outbound
View This command can be used in the following views:
■ Interface view
Description This command can be configured on all bridge-supported interfaces.
For more information on MAC-based ACLs, refer to the security part of this manual.
Related Command acl