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Posted by Arthur Brain on July 6, 2007, 1:55 am
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Mike Dorn wrote:
> Arthur Brain wrote:
>
> > This is my inward-facing, ethernet interface:
> >
> > interface FastEthernet0
> > description LAN
> > ip address 10.1.1.1 255.255.255.0
> >
> > This is what happens when I create a sub-interface (Fa0.1) and try to
> > give it dot1Q configuration:
> >
> > Router_1700(config-subif)#encapsulation dot1q 2
> > ^
> > % Invalid input detected at '^' marker.
> >
> > sh ver shows I have 12.2(29a) on this router.
> >
> > What am I missing?
> >
> You're missing the fact that not all models of 1700 support dot1q
encapsulation.
> Only the 1721, 1751, and if memory serves, 1760 can do this. 1720 & 1750
> cannot. Check the fine print on the specs pages.
aah.
I assumed the frame format would be entirely a software-related
question - I never considered there would be a hardware dependency.
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