CLI Guide

Layer 2 Overhead Link MTU and IP MTU Delta
Tagged Packet
with VLAN-Stack
Header
26 bytes
negotiation auto
Enable auto-negotiation on an interface.
Syntax
negotiation auto
To disable auto-negotiation, enter no negotiation auto command.
Defaults Enabled.
Command Modes INTERFACE
Supported Modes All Modes
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.4(0.0) Supported on the FN I/O Aggregator.
Usage Information
The no negotiation auto command is only available if you first manually set
the speed of a port to 10Mbits or 100Mbits.
Example
(Configured)
Dell#show interfaces configured
TenGigabitEthernet 0/1 is up, line protocol is up
Hardware is DellEth, address is 00:1e:c9:de:04:9c
Current address is 00:1e:c9:de:04:9c
Server Port AdminState is N/A
Pluggable media not present
Interface index is 33886978
Internet address is not set
Mode of IPv4 Address Assignment : NONE
DHCP Client-ID :001ec9de049c
MTU 12000 bytes, IP MTU 11982 bytes
LineSpeed 10000 Mbit
Flowcontrol rx on tx off
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interface" counters 03:56:48
Queueing strategy: fifo
Input Statistics:
User Information
Both sides of the link must have auto-negotiation enabled or disabled for the link
to come up.
The following details the possible speed and auto-negotiation combinations for a
line between two 10/100/1000 Base-T Ethernet interfaces.
Port 0
640
Interfaces