Administrator Guide

Table Of Contents
intf-type cr4 autoneg
Set the interface type as CR4 with auto-negotiation enabled.
Z9000
Syntax
intf-type cr4 autoneg
If you configure intf-type cr4 autoneg, use the no intf-type cr4
autoneg command to set the interface type as cr4 with autonegotiation disabled.
Defaults Not configured
Command
Modes
CONFIGURATION
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 loopback — configures a loopback interface.
interface null — configures a null interface.
interface port-channel — configures a port channel group.
keepalive
Send keepalive packets periodically to keep an interface alive when it is not transmitting data.
Z9000
Syntax
keepalive [seconds]
To stop sending keepalive packets, use the no keepalive command.
Parameters
seconds (OPTIONAL) For SONET interfaces with PPP encapsulation
enabled, enter the number of seconds between keepalive
packets. The range is from 0 to 23767. The default is 10
seconds.
Interfaces
641