help for trunking with dynamips and IEv4

From: Ernesto Mazuelos (ernesto.mazuelos@gmail.com)
Date: Sun Mar 04 2007 - 05:42:17 ART


Hi,
I don't succeed in doing a simple trunk among two SW with dynamips

the trunk works well, but if ping from R1 to R2 no it works

R1-----SW1-----SW2--------R2

Rack1R1#ping 10.0.0.2 repeat 10

Type escape sequence to abort.
Sending 10, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
..........

Thanks

Config :

Do I forget me of something?
 R1
!
interface FastEthernet0/0
 ip address 10.0.0.1 255.0.0.0
 speed 100
 full-duplex
!

SW1
-----------
interface FastEthernet1/1
 description To R1 F0/0
 switchport access vlan 3
 duplex full
 speed 100
!
interface FastEthernet2/3
 description To SW2 F2/3
 switchport mode trunk
!

SW2
-----------
!
interface FastEthernet1/2
 description To R2 F0/0
 switchport access vlan 3
 duplex full
 speed 100
interface FastEthernet2/3
 description To SW1 F2/3
 switchport mode trunk
 duplex full
 speed 100
!

Rack1SW1#sh int tru

Port Mode Encapsulation Status Native vlan
Fa2/3 on 802.1q trunking 1

Port Vlans allowed on trunk
Fa2/3 1-1005

Port Vlans allowed and active in management domain
Fa2/3 1-4

Port Vlans in spanning tree forwarding state and not pruned

Rack1SW2#sh int tru

Port Mode Encapsulation Status Native vlan
Fa2/3 on 802.1q trunking 1
Fa2/4 off 802.1q not-trunking 1
Fa2/5 off 802.1q not-trunking 1

Port Vlans allowed on trunk
Fa2/3 1-1005
Fa2/4 none
Fa2/5 none

Port Vlans allowed and active in management domain
Fa2/3 1-4
Fa2/4 none
Fa2/5 none

Port Vlans in spanning tree forwarding state and not pruned
Fa2/3 1-4
Fa2/4 none
Fa2/5 none

SW1
sw spa bri
---------
VLAN3
  Spanning tree enabled protocol ieee
  Root ID Priority 32768
             Address cc06.0170.0002
             This bridge is the root
             Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

  Bridge ID Priority 32768
             Address cc06.0170.0002
             Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
             Aging Time 300

Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet1/1 128.42 128 19 FWD 0 32768 cc06.0170.0002 128.42
FastEthernet2/3 128.84 128 19 FWD 0 32768 cc06.0170.0002 128.84

SW2
sh spa bri
VLAN3
  Spanning tree enabled protocol ieee
  Root ID Priority 32768
             Address cc06.0170.0002
             Cost 19
             Port 84 (FastEthernet2/3)
             Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

  Bridge ID Priority 32768
             Address cc07.066c.0002
             Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
             Aging Time 300

Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet1/2 128.43 128 19 FWD 19 32768 cc07.066c.0002 128.43
FastEthernet2/3 128.84 128 19 FWD 0 32768 cc06.0170.0002 128.84



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