Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 3 Bridge Configuration Commands
3Com Corporation
3-25
Description
Use the dlsw ethernet-frame-filter command to apply an ACL in the transmitting and
receiving directions of DLSW module towards bridge module so that it can transmit and
receive only the Ethernet frames with permitted source MAC addresses.
Use the undo dlsw ethernet-frame-filter command to delete the MAC-address-based
ACL applied in the transmitting or receiving direction.
For more information on MAC-based ACLs, refer to the security part of this manual.
Related command: acl.
Example
# Configure filtering rule (ACL 4000) in the receiving direction of DLSW module.
[3Com] dlsw ethernet-frame-filter 4000 inbound
3.1.26 firewall ethernet-frame-filter
Syntax
firewall ethernet-frame-filter acl-number { inbound | outbound }
undo firewall ethernet-frame-filter acl-number { inbound | outbound }
View
Interface view
Parameter
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.
Description
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.
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.
Example
# Configure filtering rule (ACL 4000) in the receiving direction on the interface
Ethernet0/0/0.