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New Member

2821 2 HWIC cards

Dear Experts,

I tried to install 2 HWIC 4ESW modules to 2821 routers. But only one slot working properly 2nd one shows everything fine but cannot ping or layer 3 activity not showing. But according to Cisco website it suggest 2 HWIC we can install. Is it a default behavior ( only one HWIC 4ESW work ) Any idea ?

3 REPLIES
New Member

Re: 2821 2 HWIC cards

Seems to be we must enable stacking. With stacking it worked. otherwise it doesn't work :(

Hall of Fame Super Gold

Re: 2821 2 HWIC cards

That is documented by cisco, multiple ESW modules require a physical cabling across.

Re: 2821 2 HWIC cards

Hi Emmanuel,

I think "stacking-partner" command can work it.

Click here for more information.

https://www.cisco.com/en/US/prod/collateral/routers/ps259/prod_qas0900aecd802a9470_ps5854_Products_Q_and_A_Item.html

HTH

Tomoyuki

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