Исходное сообщение
"Cisco 4510R & 2960 trunk" Отправлено AisT, 03-Окт-12 11:06
> "speed nonegotiate" или "no speed" На с4510 GigabitEthernet6/3 is down, line protocol is down (inactive)   Hardware is Gigabit Ethernet Port, address is 1cdf.0f06.2c88 (bia 1cdf.0f06.2c88)   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, Auto-speed, link type is auto, media type is 1000BaseLH   input flow-control is off, output flow-control is off   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 input packets with dribble condition detected      0 packets output, 0 bytes, 0 underruns      0 output errors, 0 collisions, 6 interface resets      0 babbles, 0 late collision, 0 deferred      0 lost carrier, 0 no carrier      0 output buffer failures, 0 output buffers swapped out на с2960 GigabitEthernet1/0/49 is down, line protocol is down (notconnect)   Hardware is Gigabit Ethernet, address is 6c50.4d88.d5b1 (bia 6c50.4d88.d5b1)   Description: to_112   MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,      reliability 255/255, txload 1/255, rxload 1/255   Encapsulation ARPA, loopback not set   Keepalive not set   Auto-duplex, Auto-speed, link type is auto, media type is 1000BaseLX SFP   input flow-control is off, output flow-control is unsupported   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: 0/75/0/0 (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 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, 0 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