Moo,
maximum speed of serial interface on WIC-1T is 2Mbps. Maximum speed
of ports on NM-8A/S, working in sync mode, is 128Kbps. That could
be problem in your situation.
Sa�a
"Moo, Wai Keong" wrote:
>
> I've got cisco 3640 router with one single port serial wan interface
> card and 8 port async/sync network module ,the wan interface card is
> connected to frame-relay services.When I try to connect second
> frma-relay connection to one of the 8 async/sync port,it's failed.May I
> know what is the difference between asyn/sync and serail wan interface
> card and what is it for .
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