Reference Guide

Command
History
Version 9.0.2.0 Introduced on the S6000.
Version
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
If you configure interface type as CR4 with auto-negotiation enabled, also
configure CR4 with auto-negotiation. Many DAC cable link issues are resolved by
setting the interface type as CR4.
Related
Commands
• Interfaces — configures a physical interface.
• interface port-channel — configures a port channel group.
keepalive
Keep the interface alive when it is not transmitting data.
Syntax
keepalive
Parameters
def-vlan-id Enter 1 for the default VLAN.
Defaults Enabled
Command
Modes
INTERFACE
Command
History
Version 8.3.17.0 Supported on the M I/O Aggregator.
Usage
Information
When you configure keepalive, the system keeps the link up even if the link is not
active at the time.
monitor interface
Monitor counters on a single interface or all interfaces on a stack unit. The screen is refreshed every five
seconds and the CLI prompt disappears.
Syntax
monitor interface [interface]
To disable monitoring and return to the CLI prompt, press the q key.
158
Interfaces