I had a 2960 die, I requested an RMA from Cisco , the replacement switch with the same configuration will not allow vlan 1 on the active port.
I plug the cable into gi0/1 here is the sh vlan
PED-FED2#config t
Enter configuration commands, one per line. End with CNTL/Z.
PED-FED2(config)#exit
PED-FED2#sh v
*Mar 1 01:07:35.220: %SYS-5-CONFIG_I: Configured from console by cannon on consolelan
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Gi0/2
15 VLAN0015 active Fa0/1, Fa0/2, Fa0/3, Fa0/4
Fa0/5, Fa0/6, Fa0/7, Fa0/8
Fa0/9, Fa0/10, Fa0/11, Fa0/12
Fa0/13, Fa0/14, Fa0/15, Fa0/16
Fa0/17, Fa0/18, Fa0/19, Fa0/20
Fa0/21, Fa0/22, Fa0/23, Fa0/24
Fa0/25, Fa0/26, Fa0/27, Fa0/28
Fa0/29, Fa0/30, Fa0/31, Fa0/32
Fa0/33, Fa0/34, Fa0/35, Fa0/36
Fa0/37, Fa0/38, Fa0/39, Fa0/40
Fa0/41, Fa0/42, Fa0/43, Fa0/44
Fa0/45, Fa0/46, Fa0/47, Fa0/48
Current configuration : 261 bytes
!
interface GigabitEthernet0/1
description UPLINK TO PED-FED-MAIN
switchport mode trunk
srr-queue bandwidth share 1 30 35 5
priority-queue out
mls qos trust cos
macro description cisco-switch
auto qos trust
spanning-tree link-type point-to-point
end
PED-FED2#sh int gi 0/1 tr
PED-FED2#sh int gi 0/1 trunk
Port Mode Encapsulation Status Native vlan
Gi0/1 on 802.1q trunking 1
Port Vlans allowed on trunk
Gi0/1 1-4094
Port Vlans allowed and active in management domain
Gi0/1 1,15
Port Vlans in spanning tree forwarding state and not pruned
Gi0/1 1,15
I plug the uplink cable into gi0/2
PED-FED2#
*Mar 1 01:08:35.098: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to up
PED-FED2#
PED-FED2#
PED-FED2#
PED-FED2#
PED-FED2#
PED-FED2#
PED-FED2#sh int gi 0/2 trunk
Port Mode Encapsulation Status Native vlan
Gi0/2 on 802.1q trunking 1
Port Vlans allowed on trunk
Gi0/2 1-4094
Port Vlans allowed and active in management domain
Gi0/2 1,15
Port Vlans in spanning tree forwarding state and not pruned
Gi0/2 none
PED-FED2#
PED-FED2#
PED-FED2#
PED-FED2#sh vlan
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Gi0/1
15 VLAN0015 active Fa0/1, Fa0/2, Fa0/3, Fa0/4
Fa0/5, Fa0/6, Fa0/7, Fa0/8
Fa0/9, Fa0/10, Fa0/11, Fa0/12
Fa0/13, Fa0/14, Fa0/15, Fa0/16
Fa0/17, Fa0/18, Fa0/19, Fa0/20
Fa0/21, Fa0/22, Fa0/23, Fa0/24
Fa0/25, Fa0/26, Fa0/27, Fa0/28
Fa0/29, Fa0/30, Fa0/31, Fa0/32
Fa0/33, Fa0/34, Fa0/35, Fa0/36
Fa0/37, Fa0/38, Fa0/39, Fa0/40
Fa0/41, Fa0/42, Fa0/43, Fa0/44
Fa0/45, Fa0/46, Fa0/47, Fa0/48
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 0 0
15 enet 100015 1500 - - - - - 0 0
1002 fddi 101002 1500 - - - - - 0 0
1003 tr 101003 1500 - - - - - 0 0
1004 fdnet 101004 1500 - - - ieee - 0 0
1005 trnet 101005 1500 - - - ibm - 0 0
I configure fa0/40 and plug the cable in there
vlan 1 shows on gi0/1 and gi0/2
PED-FED2(config)#int fa0/40
PED-FED2(config-if)#switch
PED-FED2(config-if)#switchport try
PED-FED2(config-if)#switchport trun
PED-FED2(config-if)#switchport trunk en
PED-FED2(config-if)#switchport mode trunk
PED-FED2(config-if)#
PED-FED2(config-if)#
*Mar 1 01:12:35.625: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/40, changed state to down
PED-FED2(config-if)#^Z
PED-FED2#
PED-FED2#
*Mar 1 01:12:37.294: %SYS-5-CONFIG_I: Configured from console by cannon on consolesh r
*Mar 1 01:12:38.645: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/40, changed state to u
% Type "show ?" for a list of subcommands
PED-FED2#
PED-FED2#
PED-FED2#sh int fa0/40
FastEthernet0/40 is up, line protocol is up (connected)
Hardware is Fast Ethernet, address is 0023.ea0e.3028 (bia 0023.ea0e.3028)
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 10/100BaseTX
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:01, output 00:00:00, 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 2000 bits/sec, 1 packets/sec
2098 packets input, 233287 bytes, 0 no buffer
Received 2091 broadcasts (1630 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 1630 multicast, 0 pause input
0 input packets with dribble condition detected
20467 packets output, 2357279 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
PED-FED2#sh vlan
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Gi0/1, Gi0/2
15 VLAN0015 active Fa0/1, Fa0/2, Fa0/3, Fa0/4
Fa0/5, Fa0/6, Fa0/7, Fa0/8
Fa0/9, Fa0/10, Fa0/11, Fa0/12
Fa0/13, Fa0/14, Fa0/15, Fa0/16
Fa0/17, Fa0/18, Fa0/19, Fa0/20
Fa0/21, Fa0/22, Fa0/23, Fa0/24
Fa0/25, Fa0/26, Fa0/27, Fa0/28
Fa0/29, Fa0/30, Fa0/31, Fa0/32
Fa0/33, Fa0/34, Fa0/35, Fa0/36
Fa0/37, Fa0/38, Fa0/39, Fa0/41
Fa0/42, Fa0/43, Fa0/44, Fa0/45
Fa0/46, Fa0/47, Fa0/48
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 0 0
15 enet 100015 1500 - - - - - 0 0
1002 fddi 101002 1500 - - - - - 0 0
1003 tr 101003 1500 - - - - - 0 0
1004 fdnet 101004 1500 - - - ieee - 0 0
1005 trnet 101005 1500 - - - ibm - 0 0
Remote SPAN VLANs
------------------------------------------------------------------------------
Primary Secondary Type Ports
------- --------- ----------------- ------------------------------------------
PED-FED2#ping 172.30.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.30.1.1, timeout is 2 seconds:
.
