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Wireless IdentiFi Gigabit Ethernet interface does not negotiate at 1 Gigabit Speed

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TitleWireless IdentiFi Gigabit Ethernet interface does not negotiate at 1 Gigabit Speed
Symptoms
Wireless IdentiFi Gigabit Ethernet interface does not negotiate at 1 Gigabit Speed
Environment
  • IdentiFi Wireless
  • WS-C4110
  • All firmware version
Cause
System information shows "Auto-negotiation: disabled" on the physical interface
System Information

System Up Time: 1 day,  1:37

- CPU Utilization: 6.63
- Memory Usage:
    Free: 79 %
- Disk Usage (1 Kbyte blocks)
    Partition    Total Space     Used     Available  Use %
         root       26881468  1875632     23640308     8%
          tmp         131072     1168       129904     1%
         home        2016016    32840      1880764     2%
          cdr        2016044    32844      1880788     2%
         logs        1510032    33696      1399628     3%
      reports        1510032    32816      1400508     3%
        trace        1510032    32816      1400508     3%
- System Temperature
    Processor 1 Temperature: -61 C degrees below meltdown
    System Board 1 Planar Temperature: 31 C
    System Board 1 Ambient Temperature: 24 C
- Fan Speed
    1A Fan: 5925 RPM
    1B Fan: 3900 RPM
    2A Fan: 6150 RPM
    2B Fan: 3975 RPM
    3A Fan: 6075 RPM
    3B Fan: 3975 RPM
    4A Fan: 6075 RPM
    4B Fan: 4050 RPM
    5A Fan: 6225 RPM
    5B Fan: 3900 RPM
    6A Fan: 6300 RPM
    6B Fan: 3900 RPM
- Port1 Interface: 
    Auto-negotiation: disabled
      100Mbps full duplex
    Interface State: up, 100Mbps full duplex
- Port2 Interface: 
    Auto-negotiation: disabled
      100Mbps full duplex
    Interface State: down
- Port3 Interface: 
    Auto-negotiation: disabled
      100Mbps full duplex
    Interface State: up, 100Mbps full duplex
- Port4 Interface: 
    Auto-negotiation: disabled
      100Mbps full duplex
    Interface State: up, 100Mbps full duplex


 
Resolution
  1. Open an SSH session to the wireless controller
  2. Enter with login credentials
  3. Go to shell mode
  4. Enable auto-negotiation on the target interface with "ethtool"
login as: admin
Using keyboard-interactive authentication.
Password:
+-------------------------------------------------------+
|                                                       |
|  Extreme Wireless Convergence OS                      |
|  Copyright Extreme Networks Inc. 2015                 |
|                                                       |
+-------------------------------------------------------+
IdentiFi.extremenetworks.com#
IdentiFi.extremenetworks.com# shell 
Password:<Same password used to login> 
root@IdentiFi.extremenetworks.com:~#cd /usr/local/bin 
root@IdentiFi.extremenetworks.com:/usr/local/bin# ethtool -s <interface> duplex full speed 1000 autoneg on
root@IdentiFi.extremenetworks.com:/usr/local/bin# ethtool <interface>

 
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