802.17 RPR and L2 Ethernet interoperablity (Ethernet over RPR)
Mikael Abrahamsson
swmike at swm.pp.se
Wed Jul 7 10:51:34 UTC 2004
On Wed, 7 Jul 2004, Sam Stickland wrote:
> One question about this, the Q-in-Q tunnelling would have to take place on
> the switch connected to the ring - what happens if the packet has already
> been placed in a dot1Q tunnel? I haven't really worked much with dot1Q
> tunneling - are their any know problems with extra tags? (aside from MTU
> issues, but I imagine most rings will support at least 9bytes)
Most switches will only see the outer tag and will thus be transparent for
Q-in-Q:ed packets.
--
Mikael Abrahamsson email: swmike at swm.pp.se
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