04-17-2008 08:05 AM - edited 03-05-2019 10:26 PM
Im working with my server team and they are requesting i change the port setting on the 3350 to auto speed. I understand that gig ports can only be set to full. But I am used to seeing "auto" in the show interface command...but i am not seeing it here. Nor is the configuration showing auto. Is this becuase it is the default?
igabitEthernet2/0/21 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 0019.5639.0c95 (bia 0019.5639.0c95)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 1000Mb/s, media type is 10/100/1000BaseTX
3550#conf t
Enter configuration commands, one per line. End with CNTL/Z.
3550-sw(config)#int
3550-sw(config)#interface GigabitEthernet2/0/21
3550(config-if)#auto
3550(config-if)#duplex auto
Gigabit port is restricted to full duplex
3550(config-if)#speed auto
3550(config-if)#^Z
3550#sh run int GigabitEthernet2/0/21
Current configuration : 170 bytes
!
interface GigabitEthernet2/0/21
switchport access vlan 212
switchport mode access
shutdown
duplex full
spanning-tree portfast
spanning-tree bpduguard enable
end
3550#sh interfaces gigabitEthernet 2/0/21 status
Port Name Status Vlan Duplex Speed Type
Gi2/0/21 connected 212 full a-1000 10/100/1000Ba
seTX
04-17-2008 09:08 AM
when you type in the command: (show interface status) you will see the Duplex and Speed setting for each port.
Hope this helps.
04-17-2008 09:22 AM
Sorry I forgot to add that this is a default and what you have displayed is correct.
"Full-duplex, 1000Mb/s, media type is 10/100/1000BaseTX" the (show interface status) command will display the Duplex a-full and Speed a-1000.
Hope this helps. Please rate it if it does.
Sal
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