10-10-2011 01:37 AM - edited 03-07-2019 02:42 AM
Hi,
i am using cisco 2821 as a edge Router in my Network.
Im using 2 Inbuilt Gig Ethernet Interface and 1 serial Interface card .
Now i have a requirement of another link need to terninate .
can the 2821 router support additional Ethernet Interface Card on the slot if yes please provide the Part no.
Thanks,
Saroj
10-10-2011 08:25 AM
Saroj
Have a look at this link. You don't say what you actually but you can have 1x1Gbps, 1FE or 2FE ports. Click on the links next to each card and it will tell you in that doc how many cards you can put in each model of router and what IOS is needed -
Jon
10-10-2011 10:39 AM
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If your need is for another Fast or Gig Ethernet port, and if you're already connected to a VLAN capable switch, you might consider using subinterfaces on an existing 2821 port to a trunk port on the switch. Saves you the cost of the extra Ethernet port module, plus considering the 2821's limited performance, you'll likely not be able to actually fully use the bandwidth of it either.
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