HPE MSR3000 User Manual

16
Modified feature: IP performance optimization
Feature change description
The device supports recording MAC addresses in TCP packets. You can also configure the device to
record the MAC address of the local device in TCP packets.
Command changes
New command: tcp mac-record enable
Use tcp mac-record enable to enable MAC address recording in TCP packets.
Use undo tcp mac-record enable to disable MAC address recording in TCP packets.
Syntax
tcp mac-record enable
undo tcp mac-record enable
Default
MAC address recording in TCP packets is disabled.
Views
Interface view
Default command level
network-admin
Usage guidelines
This feature records the MAC address of the packet originator in a TCP option. When an attack
occurs, the administrator can quickly locate the attack source according to the recorded MAC
addresses.
Examples
# Enable MAC address recording in TCP packets on GigabitEthernet 1/0/1.
<Sysname> system-view
[Sysname] interface GigabitEthernet 0/1
[Sysname-GigabitEthernet0/1] tcp mac-record enable
New command: tcp mac-record local
Use tcp mac-record local to record the MAC address of the local device in TCP packets.
Use undo tcp mac-record local to restore the default.
Syntax
tcp mac-record local mac-address

HPE MSR3000 Specifications

General

Brand	HPE
Model	MSR3000
Category	Network Router
Language	English