CCNP issue Sergei Mavashev

[smavashev]

I'm trying to connect 2 2950's switches to a 3550 switch. Configs are as follows

2950 switch #1

config t

int range fa 0/2 - 12

switchport access vlan 100

exit

int range fa 0/13 - 26

switchport access vlan 200

int range fa 0/1

switchport trunk encapsulation dot1q

switchport trunk allow all vlans

2950 switch #2

config t

int range fa 0/2 - 12

switchport access vlan 100

exit

int range fa 0/13 - 26

switchport access vlan 200

int range fa 0/1

switchport trunk encapsulation dot1q

switchport trunk allow all vlans

3550 switch #1

config t

int range fa 0/1 - 2

switchport trunk encapsualtion dot1q

switchport trunk allowed vlan all

int vlan 100

ip address 192.168.1.100 255.255.255.0

int vlan 200

ip address 192.168.1.200 255.255.255.0

ip routing

Issue: The switch 3550 does not show any output when show ip route command is issued. What is the problem ? I tried checking vlan assignments on both 2950 switches, the CDP neighbors work from 3550 it can see both switches via trunks, however I can get the vlans to Ip route between each other what is the issue ? I've also check the version of 3550 router it is 12.1 SMI version. I hope it is not the version I need to do this for my switch CCNP exam. Please let me know or you can even call me at 973 9326300. or email on here. thanks.

[Reza Sharifi]

On the 3550, do you see the interface vlan 100 and 200 in up and up mode?

"sh ip int bri vlan 100"

how about the physical interface?

HTH

[smavashev]

Ok, the show ip int brief vlan 100 and 200 both show it's in down down state, the physical interfaces 1 and 2 connecting to trunks are in up and up state, I tried doing

int vlan 100

no shut

int vlan 200

no shut

still in down down state, respond...

[Reza Sharifi · Accepted solution]

On the 3550, you alos need to creat layer-2 vlans

vlan 100

name test

vlan 200

name test1

Then do a sh ip int bri vlan 100 and 200

HTH

[smavashev]

Thanks a lot ! It worked !

I greatly appreciate it.