Command is only allowed on VLAN 2..1001.

John Oliver schrieb:

I am not shure, but I think VLAN1 (native Vlan) cannot be shutdown, therefore you don't need this command. Is your VLAN1 interface shutdown?

Yessss, but... there *is* something plugged in:

2970_2#sh int gi0/1 GigabitEthernet0/1 is up, line protocol is up (connected) Hardware is Gigabit Ethernet, address is 0015.fa07.cf01 (bia 0015.fa07.cf01) MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 100Mb/s, 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 00:00:01, output 00:00:03, 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 57806 packets input, 4263801 bytes, 0 no buffer Received 49612 broadcasts (0 multicast) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 watchdog, 46598 multicast, 0 pause input 0 input packets with dribble condition detected 17655 packets output, 1596537 bytes, 0 underruns 0 output errors, 0 collisions, 1 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 2970_2#sh vlan

VLAN Name Status Ports

---- -------------------------------- ---------

-------------------------------

1 default active Gi0/1, Gi0/2, Gi0/3, Gi0/4 Gi0/5, Gi0/6, Gi0/7, Gi0/8 Gi0/9, Gi0/10, Gi0/11, Gi0/12 Gi0/13, Gi0/14, Gi0/15, Gi0/16 Gi0/17, Gi0/18, Gi0/19, Gi0/20 Gi0/21, Gi0/22, Gi0/23