Reference Guide

430 | Interfaces
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Usage Information
For more information on VLANs and the commands to configure them, refer to Virtual LAN (VLAN)
Commands.
FTP, TFTP, and SNMP operations are not supported on a VLAN. MAC ACLs are not supported in
VLANs. IP ACLs are supported. See Chapter 6, Access Control Lists (ACL).
Related
Commands
keepalive
s z
Send the keepalive packets periodically, by default 10seconds to keep an interface alive when it is not
transmitting data.
Syntax
keepalive
To stop sending keepalive packets, enter no keepalive.
Defaults
Disabled
Command Modes
INTERFACE
Command History
Usage Information
When you configure keepalive, the system sends a self-addressed packet out of the configured
interface to verify that the far end of a WAN link is up. When you configure no keepalive, the system
does not send keepalive packets and so the local end of a WAN link remains up even if the remote end
is down.
monitor
s z
Monitor counters on a single interface or all interfaces on a stack-unit. The screen is refreshed every 5
seconds and the CLI prompt disappears.
Syntax
monitor interface [interface]
To disable monitoring and return to the CLI prompt, press the q key.
interface Configure a physical interface.
interface loopback Configure a loopback interface.
interface null Configure a null interface.
interface port-channel Configure a port channel group.
show vlan Display the current VLAN configuration on the switch.
shutdown Disable/Enable the VLAN.
tagged Add a Layer 2 interface to a VLAN as a tagged interface.
untagged Add a Layer 2 interface to a VLAN as an untagged interface.
S6000
Version 9.0.2.0 Introduced on then S6000.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.2.1.0 Introduced on the S4810
S6000