[c-nsp] GLC-T sfp problem

[Daniel Suchy]

Hi,
GLC-T interface is 1000BaseT-only. You cannot connect 100BaseT devices 
here. On 3560 you have 10/100/1000 ports.

On 05/11/2007 11:04 AM, saso pirnat wrote:
> Does anybody knows why i can't get line protocol up with sfp GLC-T on
> cisco7609 WS-SUP720-3BXL and line card WS-X6748-SFP when I try to
> connect with some other equipment that supports only 100Mb/FD. Auto
> negotiation is on. When I connect with same equipment to other switches
> like C3560 the line protocol is established.
> 
> sh int on 7609
> GigabitEthernet1/7 is down, line protocol is down (notconnect)
>   Hardware is C6k 1000Mb 802.3, address is 000a.b8de.1ac6 (bia
> 000a.b8de.1ac6)
>   Description:
>   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 T
>   input flow-control is off, output flow-control is desired
>   Clock mode is auto
>   ARP type: ARPA, ARP Timeout 04:00:00
>   Last input never, output never, output hang never
>   Last clearing of "show interface" counters never
>   Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
>   Queueing strategy: fifo
>   Output queue: 0/40 (size/max)
>   5 minute input rate 0 bits/sec, 0 packets/sec
>   5 minute output rate 0 bits/sec, 0 packets/sec
>      0 packets input, 0 bytes, 0 no buffer
>      Received 0 broadcasts (0 multicasts)
>      0 runts, 0 giants, 0 throttles
>      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
>      0 watchdog, 0 multicast, 0 pause input
>      0 input packets with dribble condition detected
>      0 packets output, 0 bytes, 0 underruns
>      0 output errors, 0 collisions, 3 interface resets
>      0 babbles, 0 late collision, 0 deferred
>      0 lost carrier, 0 no carrier, 0 PAUSE output
>      0 output buffer failures, 0 output buffers swapped out1
> 
> 
> 
> sh int on 3560
> GigabitEthernet0/2 is up, line protocol is up (connected)
>   Hardware is Gigabit Ethernet, address is 0016.9d34.5482 (bia
> 0016.9d34.5482)
>   MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
>      reliability 255/255, txload 1/255, rxload 1/255
>   Encapsulation ARPA, loopback not set
>   Keepalive not set
>   Full-duplex, 100Mb/s, link type is auto, media type is
> 10/100/1000BaseTX SFP
>   input flow-control is off, output flow-control is unsupported
>   ARP type: ARPA, ARP Timeout 04:00:00
>   Last input never, output 00:00:00, output hang never
>   Last clearing of "show interface" counters never
>   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
>   Queueing strategy: fifo
>   Output queue: 0/40 (size/max)
>   5 minute input rate 0 bits/sec, 0 packets/sec
>   5 minute output rate 0 bits/sec, 0 packets/sec
>      0 packets input, 0 bytes, 0 no buffer
>      Received 0 broadcasts (0 multicast)
>      0 runts, 0 giants, 0 throttles
>      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
>      0 watchdog, 0 multicast, 0 pause input
>      0 input packets with dribble condition detected
>      4501 packets output, 595675 bytes, 0 underruns
>      0 output errors, 0 collisions, 2 interface resets
>      0 babbles, 0 late collision, 0 deferred
>      0 lost carrier, 0 no carrier, 0 PAUSE output
>      0 output buffer failures, 0 output buffers swapped out
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