05-26-2003 07:39 AM - edited 03-02-2019 07:38 AM
2950#sh int fa0/13 sw
Name: Fa0/13
Switchport: Enabled
Administrative Mode: static access
Operational Mode: static access
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: native
Negotiation of Trunking: Off
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Protected: false
Voice VLAN: none (Inactive)
Appliance trust: none
------------------------------------
#sh int fa0/13 tr
Port Mode Encapsulation Status Native vlan
Fa0/13 off 802.1q not-trunking 1
Port Vlans allowed on trunk
Fa0/13 1
Port Vlans allowed and active in management domain
Fa0/13 1
Port Vlans in spanning tree forwarding state and not pruned
Fa0/13 1
--------------------------------------
When i put cable from PC into port fa0/13 - LAN is not accessable. When i run Sniffer-i can see broadcasts and BPDU . But i can't ping switch's IP address. How to resolve it?
05-26-2003 07:43 AM
What is your management VLAN? fa0/13 is in VLAN 1.
Also is the PC and the management VLAN ip address in the same subnet?
05-26-2003 07:47 AM
!
interface Vlan1
ip address 172.20.5.14 255.255.0.0
no ip route-cache
!
ip default-gateway 172.20.5.33
----------------------------
PC's ip address - 172.20.7.11/255.255.0.0
dg-172.20.5.33
05-26-2003 07:54 AM
Can you paste the output of "sh int vlan 1". Are you able to ping the defaut gateway 172.20.5.33
(1) From the 2950
(2)From the PC
Also are you seeing this problem only from a PC on fa0/13 or other ports affected as well?
05-26-2003 07:58 AM
# sh int vlan 1
Vlan1 is up, line protocol is up
Hardware is CPU Interface, address is 000b.5f84.3140 (bia 000b.5f84.3140)
Internet address is 172.20.5.14/16
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, 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 7000 bits/sec, 7 packets/sec
5 minute output rate 12000 bits/sec, 19 packets/sec
97831714 packets input, 2076502324 bytes, 0 no buffer
Received 93004662 broadcasts, 0 runts, 0 giants, 57624 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 871311 ignored
149631195 packets output, 3530546260 bytes, 0 underruns
0 output errors, 2 interface resets
0 output buffer failures, 0 output buffers swapped out
---------------------
#ping 172.20.5.33
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.20.5.33, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms
-------------------------
From PC- failed.
When i insert cable from that PC into another port - port fa0/19 -LAN is accessable!
-----------------
#sh int fa0/19 sw
Name: Fa0/19
Switchport: Enabled
Administrative Mode: dynamic desirable
Operational Mode: static access
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: native
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Protected: false
Voice VLAN: none (Inactive)
Appliance trust: none
-----------------------------------
05-26-2003 08:03 AM
Strange-i reloaded switch - and now port fa0/13 is accessable!
06-18-2003 07:00 AM
Hello,
our customer has experienced frequent occurence of this problem. The only solution we know is reload, which is not always acceptable. Since there is arout one hundred of 2950 in customer's network, I feel very anxious :( .Does anyone know better solution?
Thanks
Stepan
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