Ethernet Filtering - Cisco ASR 9000 Series Reference Manual

ethernet filtering

ethernet filtering
To enable ethernet filtering on interfaces on the router, use the ethernet filtering command in the interface
configuration mode. To disable ethernet filtering, use the no form of the command.
ethernet filtering {dot1ad| dot1q}
no ethernet filtering
Syntax Description
dot1ad
dot1q
Command Default
Ethernet filtering is not enabled.
Command Modes
interface configuration mode
Command History
Release
Release 3.9.0
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
The following table lists the DA MAC addresses and specifies the action taken when either the dot1q or the
dot1ad keywords are used:
DA MAC Address
01-80-C2-00-00-00
01-80-C2-00-00-01
01-80-C2-00-00-02
01-80-C2-00-00-03
01-80-C2-00-00-04
Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release
6.1.x
16
Filters only the Ethernet multicast protocol addresses that are reserved by IEEE 802.1ad,
used for C-facing interfaces, to prevent C-network traffic from interfering with the
S-network protocols.
Filters all Ethernet multicast protocol addresses.
Modification
This command was introduced.
Description
STP, RSTP, MSTP, etc.
802.3X Pause Protocol
Slow Protocols: 802.3ad
LACP, 802.3ah OAM
802.1X
Reserved
Ethernet Interfaces Commands
dot1q dot1ad
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