I just installed a VIC2-2FXO card in my 2821, and when I try to issue the port command I get "% Unrecognized command." Any idea why?
It shows up in the "Show Inventory"
NAME: "2nd generation two port FXO voice interface daughtercard on Slot 0 SubSlot 2", DESCR: "2nd generation two port FXO voice interface daughtercard"
PID: VIC2-2FXO= , VID: V , SN: FOC092901U9
Cisco 2821 (revision 53.51) with 247808K/14336K bytes of memory.
Processor board ID FTX1033A2QR
2 Gigabit Ethernet interfaces
2 Low-speed serial(sync/async) interfaces
1 Virtual Private Network (VPN) Module
2 Voice FXO interfaces
DRAM configuration is 64 bits wide with parity enabled.
239K bytes of non-volatile configuration memory.
125440K bytes of ATA CompactFlash (Read/Write)
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It would be great if you can post full outputs. show inventory seems to be a snippet. Do you have any PVDMs installed on the router already? If not, then yes, a PVDM2-8 should suffice for just the VIC2-2FXO card. If you plan to add more voice cards in future, it would be better to plan accordingly using DSP calculator: