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Cascading 2 cisco 2960 switch

jahanzeb.feroze
Level 1
Level 1

Dear All,

I want to cascade two 2960 switch (Layer2) together, i have tried by making the ports trunk as well as access but it doesnt works, please help?

Regards

Jahanzeb Feroze

20 Replies 20

Ismael Dandashi
Level 1
Level 1

Dear Jahanzeb

Please check the link below

http://www.tek-tips.com/viewthread.cfm?qid=1583402

Thanks for sharing the link, but question asked in that link is still unanswered, no solution has been determined yet.

Could you expand on "doesnt works" in your OP?

And, as Jose already asked, could your provide configs and what ports you're actually interconnecting?

One port is of Gig, while other port is of Fa

Copper?

not copper, its ethernet cable

Ethernet can run across both copper or fiber - so what "kind" of Ethernet?

Fiber

If you are running fiber, what are the SFPs you are using please do a "show inventory" Usually fiber SFPs are either 100Mps or 1Gbps, if only going to a 100Mbps device then ensure the SFP in the Gigabit port will run at 100Mbps 

Hi Jahanzeb,

- Did you set a native vlan?

// switchport trunk native vlan <Vlan-id>

Example:

interface GigabitEthernet<int>
 switchport mode trunk
 switchport trunk encapsulation dot1q
 switchport trunk native vlan <Vlan-id>
 no sh

Regards.

Nopes i didnt, is that really matter to set the native vlan ?

The native VLAN will default to 1.  You don't need to configure it on either end, but if you configure it on one end you need to configure it on both ends.

Can you post the 2 config? 

On first Switch,

interface GigabitEthernet<int>
 switchport mode trunk

 switchport trunk allowed vlan <Vlan-id>
 
 

On other Switch,

interface Fa<int>
 switchport mode trunk

 switchport trunk allowed vlan <Vlan-id>
 

These are the simple config on both switches

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