Users Guide

Version Description
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
You can congure the interface type as CR4 with auto-negotiation enabled. If a DAC cable link is down, you can
resolve the issue by setting the interface type as CR4.
If the CR4 optic fails to come up, use the autoneg option.
On 100-Gigabit Ethernet interfaces, CR4 auto-negotiation is enabled by default.
Related Commands
Interfacescongure a physical interface.
interface loopbackcongure a loopback interface.
interface nullcongure a null interface.
interface port-channelcongure 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
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100–ON.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.2(1.0) Introduced on the Z9500.
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.
8.1.1.2 Introduced on the E-Series.
7.6.1.0 Introduced on the S-Series.
Interfaces 687