Service Manual

Related
Commands
interface — configures a physical interface.
interface loopback — configures a loopback interface.
interface null — configures a null interface.
interface port-channel — configures a port channel group.
show vlan — displays the current VLAN configuration on the switch.
shutdown — disables/enables the VLAN.
tagged — adds a Layer 2 interface to a VLAN as a tagged interface.
untagged — adds a Layer 2 interface to a VLAN as an untagged interface.
intf-type cr4 autoneg
Set the interface type as CR4 with auto-negotiation enabled. To set the interface type as CR4 with autonegotiation disabled,
use the no intf-type cr4 autoneg command.
Syntax
intf-type cr4 autoneg
Defaults
Enabled
Command Modes INTERFACE
Command
History
Version Description
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
If you configure the interface type as CR4 with auto-negotiation enabled. Many DAC cable link issues are
resolved by setting the interface type as CR4.
If the CR4 optic fails to come up, use the autoneg option.
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.
Syntax
keepalive
To stop sending keepalive packets, use the no keepalive command.
Defaults Enabled.
Command Modes INTERFACE
Interfaces 641