problem with newly installed serial boards on 2621

problem with newly installed serial boards on 2621
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Subject Author Date
problem with newly installed serial boards on 2621 Thomas75 04-19-2008
Posted by Thomas75 on April 19, 2008, 2:44 am
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I just installed the NM-4T 4 port serial board on my 2621 router.

but when I do "show interface", I only see two fastethernet interfaces
and not the newly installed serial board.

is there any extra setup i need to do to make it working?

could it be faulty board?

Thank you for your help

-Thomas

Pure Networks
Posted by Merv on April 19, 2008, 5:10 am
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AFAIK NM-4T is not supported on 26xx

see Cisco doc
http://www.cisco.com/en/US/products/hw/routers/ps274/products_tech_note09186a00800a93f3.shtml#topic3


I believe only the 1-port or 2-port T1 WIC's are supported on 26xx


Posted by Thomas75 on April 20, 2008, 1:41 am
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> AFAIK NM-4T is not supported on 26xx
>
> see Cisco dochttp://www.cisco.com/en/US/products/hw/routers/ps274/products=
_tech_no...
>
> I believe only the 1-port or 2-port T1 WIC's are supported on 26xx

Thanks for the reply.

Then what kind of serial interface is supported on 2621 router?

I wanted to use that 2621 router as frame relay cloud for my lab.

Can I use the 4 port async serial port then?

Thank you again

-Thomas

Posted by Doug McIntyre on April 20, 2008, 2:22 am
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>> AFAIK NM-4T is not supported on 26xx
>>
>> see Cisco dochttp://www.cisco.com/en/US/products/hw/routers/ps274/products=
>_tech_no...
>>
>> I believe only the 1-port or 2-port T1 WIC's are supported on 26xx

>Thanks for the reply.

>Then what kind of serial interface is supported on 2621 router?

WIC-1T/WIC-2T are supported. And are very cheap.

>I wanted to use that 2621 router as frame relay cloud for my lab.

Weren't you the one that had the 3620 that was going to do the NM-4AS?
Or was that somebody else?

>Can I use the 4 port async serial port then?

Err, I wouldn't recommend it, Frame-Relay really wants to use the
synch serial ports.




Posted by on April 20, 2008, 8:33 am
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>
> > AFAIK NM-4T is not supported on 26xx
>
> > see Cisco dochttp://www.cisco.com/en/US/products/hw/routers/ps274/produc=
ts_tech_no...
>
> > I believe only the 1-port or 2-port T1 WIC's are supported on 26xx
>
> Thanks for the reply.
>
> Then what kind of serial interface is supported on 2621 router?
>
> I wanted to use that 2621 router as frame relay cloud for my lab.
>
> Can I use the 4 port async serial port then?
>
> Thank you again

Thanks for pointing this out, would never have occurred to me
and I may be building a lab quite soon. Unless of course I
decide than Dynamips will do the job for me. I do have a lot of
Cisco hands on so I think I will get away with it.


Merv of course means wic-1t and wic-2t.

http://www.cisco.com/en/US/products/hw/routers/ps274/products_tech_note09186=
a00800b0858.shtml

WIC...T1 is something a bit different:-)





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