> sh int не поднимающихся портов выложите c2960-5.ID#sh int Gi0/4
GigabitEthernet0/4 is down, line protocol is down (notconnect)
Hardware is Gigabit Ethernet, address is 5835.d980.28b4 (bia 5835.d980.28b4)
Description: sw2
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)
Auto-duplex, Auto-speed, media type is 10/100/1000BaseTX
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 1w6d, output 1w6d, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 39890
Queueing strategy: fifo
Output queue: 0/0 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
9086158188 packets input, 3487082557725 bytes, 0 no buffer
Received 1952738885 broadcasts (1354141810 multicasts)
0 runts, 0 giants, 0 throttles
4 input errors, 2 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 1354141810 multicast, 0 pause input
0 input packets with dribble condition detected
6404172517 packets output, 1837828313715 bytes, 0 underruns
0 output errors, 0 collisions, 5 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
c2960-5.ID#sh run int Gi0/4
Building configuration...
Current configuration : 76 bytes
!
interface GigabitEthernet0/4
description sw2
switchport mode trunk
end