[rbridge] Use of 802.1ah Encaps

[Ali Sajassi (sajassi)]

> -----Original Message-----
> From: Erik Nordmark [mailto:erik.nordmark at sun.com] 
> Sent: Wednesday, December 06, 2006 10:02 AM
> To: Don Fedyk
> Cc: Gray, Eric; Ali Sajassi (sajassi); Developing a hybrid 
> router/bridge.
> Subject: Re: [rbridge] Use of 802.1ah Encaps
> 
> Don Fedyk wrote:
> > Hi Eric
> > 
> >> -----Original Message-----
> >> From: Gray, Eric [mailto:Eric.Gray at marconi.com]
> >>
> >> Ali/Don,
> >>
> >> 	The use of 802.1ah encapsulation does not intuitively 
> suggest itself 
> >> in the TRILL problem domain for at least two
> >> reasons:
> >>
> >> 1)	Provider Back-bone Bridging intuitively seems out of
> >> 	place in solutions aimed at enterprise networks - and
> >> 	this would seem to be even more true for solutions 
> >> 	aimed at "plug-and-play" applicability.
> > Hmmm Trill spent 1.5 years coming up with a header that looks 
> > remarkably like 802.1ah. A fact many of us have pointed out 
> before.  
> > If you are using an IEEE 802.1 Ethernet data plane your baseline 
> > choices are 802.1Q or 802.1ah.
> 
> Is there a TTL in the 802.1ah header?

Currently it is not. But if this is an issue, we can try to accommodate
it.

-Ali

> 
>     Erik
>