User`s guide

HTML SET UP & DIAGNOSTIC
Before being transmitted to the port the Ethernet frames are untagged by
the XSRING.
”Trunk” port
An Ethernet port must be set up as a “Trunk” port, when that port is used
to connect an SHDSL network to another network like an optical network
for instance.
All tagged Ethernet frames entering the port are transmitted towards the
SHDSL network or other ports.
Untagged Ethernet frames are tagged by the XSRING with the right VLAN
ID code.
Reciprocally, all tagged Ethernet frames coming from the SHDSL network
are transmitted to that port. They are not untagged by the XSRING.
Untagged Ethernet frames are tagged by the XSRING with the right VLAN
ID code.
Failsafe ring SHDSL switch User’s guide ref 9014809-03
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