I currently have a Cisco 2600, IOS v12.2(5d) with one WIC-1DSU-T1 interface card. I'd like to upgrade (or add, depending on what the carriers says) this circuit to a T3. What interface card would I need to add? Thanks in advance for any help.
Something to keep in mind, a 2600 isn't really suitable for pushing a T3 to full capacity.
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