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Posted by John Smith on February 28, 2005, 10:16 pm
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Did you use a crossover cable, just wondering?
> Hello all!
> What is missing?
>
> Ok here goes?
>
> I wnat to connect two Catalys 2950 in a trunk mode. The connection is made
> using port 48 from switch LISAN017 to port 20 of switch LISAN006.
>
> Here is the configuration for switch LISAN017
>
> LISAN017#show interface FastEthernet 0/48 switchport
> Name: Fa0/48
> Switchport: Enabled
> Administrative Mode: trunk
> Operational Mode: trunk
> Administrative Trunking Encapsulation: dot1q
> Operational Trunking Encapsulation: dot1q
> Negotiation of Trunking: On
> Access Mode VLAN: 1 (default)
> Trunking Native Mode VLAN: 2 (interna)
> Voice VLAN: none
> Administrative private-vlan host-association: none
> Administrative private-vlan mapping: none
> Administrative private-vlan trunk native VLAN: none
> Administrative private-vlan trunk encapsulation: dot1q
> Administrative private-vlan trunk normal VLANs: none
> Administrative private-vlan trunk private VLANs: none
> Operational private-vlan: none
> Trunking VLANs Enabled: 2,100
> Pruning VLANs Enabled: 2-1001
> Capture Mode Disabled
> Capture VLANs Allowed: ALL
> Protected: false
> Appliance trust: none
>
>
> LISAN017#show interfaces trunk
>
> Port Mode Encapsulation Status Native vlan
> Fa0/48 on 802.1q trunking 2
> Po1 on 802.1q trunking 2
>
> Port Vlans allowed on trunk
> Fa0/48 2,100
> Po1 none
>
> Port Vlans allowed and active in management domain
> Fa0/48 2,100
> Po1 none
>
> Port Vlans in spanning tree forwarding state and not pruned
> Fa0/48 none
> Po1 none
>
>
> LISAN017#show interface Vlan 2
> Vlan2 is up, line protocol is up
> Hardware is CPU Interface, address is 0012.d967.b340 (bia
> 0012.d967.b340)
> Internet address is 57.227.235.89/23
> 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 1d18h, 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 1000 bits/sec, 2 packets/sec
> 5 minute output rate 0 bits/sec, 0 packets/sec
> 432877 packets input, 32298093 bytes, 0 no buffer
> Received 247647 broadcasts (0 IP multicast)
> 0 runts, 0 giants, 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 225092 ignored
> 29637 packets output, 2253056 bytes, 0 underruns
> 0 output errors, 2 interface resets
> 0 output buffer failures, 0 output buffers swapped out
>
>
> And for switch LISAN006
>
>
> LISAN006#show interface FastEthernet 0/20 switchport
> Name: Fa0/20
> Switchport: Enabled
> Administrative Mode: trunk
> Operational Mode: trunk
> Administrative Trunking Encapsulation: dot1q
> Operational Trunking Encapsulation: dot1q
> Negotiation of Trunking: On
> Access Mode VLAN: 1 (default)
> Trunking Native Mode VLAN: 2 (interna)
> Voice VLAN: none
> Administrative private-vlan host-association: none
> Administrative private-vlan mapping: none
> Administrative private-vlan trunk native VLAN: none
> Administrative private-vlan trunk encapsulation: dot1q
> Administrative private-vlan trunk normal VLANs: none
> Administrative private-vlan trunk private VLANs: none
> Operational private-vlan: none
> Trunking VLANs Enabled: 2,100
> Pruning VLANs Enabled: 2-1001
> Capture Mode Disabled
> Capture VLANs Allowed: ALL
> Protected: false
> Appliance trust: none
>
> LISAN006#show interfaces trunk
>
> Port Mode Encapsulation Status Native vlan
> Fa0/20 on 802.1q trunking 2
> Po1 on 802.1q trunking 2
>
> Port Vlans allowed on trunk
> Fa0/20 2,100
> Po1 none
>
> Port Vlans allowed and active in management domain
> Fa0/20 2,100
> Po1 none
>
> Port Vlans in spanning tree forwarding state and not pruned
> Fa0/20 2,100
> Po1 none
>
> LISAN006#show interface Vlan 2
> Vlan2 is up, line protocol is up
> Hardware is CPU Interface, address is 000f.2479.d8c0 (bia
> 000f.2479.d8c0)
> Internet address is 57.227.235.88/23
> 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 4000 bits/sec, 6 packets/sec
> 5 minute output rate 9000 bits/sec, 8 packets/sec
> 966048 packets input, 75123372 bytes, 0 no buffer
> Received 256341 broadcasts (0 IP multicast)
> 0 runts, 0 giants, 13 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> 1460405 packets output, 124633446 bytes, 0 underruns
> 0 output errors, 1 interface resets
> 0 output buffer failures, 0 output buffers swapped out
>
>
> Both ligths are grenn and blinking.
>
> I'm able to ping LISAN006 but not LISAN017. WHY????
>
> Best regards and thaknx,
> -vcf
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