LLC1
SNAP
When the VLAN level count is 2, the two VLAN levels will be designated S-VLAN
and C-VLAN. S-VLAN is short for Service provider VLAN and C-VLAN is short for
Customer VLAN.
Ethertype
When the Level count is more than one, select the type from 0x8100,
0x88A8, 0x9100 or 0x9200.
When IPv4 or IPv6 is set to Layer 3, the Ethertype of the highest level is
automatically defined, based on the next protocol element. When None is
set to Layer 3, it can be set between 0x05DD to 0xFFFF.
Touching the LLC1 layer button displays the parameters available for the
Logical Link Control protocol layer.
The DSAP, SSAP and Control fields are set automatically, based on the
upper protocol layer.
DSAP: Destination Service Access Point value (8 bits)
SSAP: Source Service Access Point value (8 bits)
Control: Control field value (8 bits or 16 bits)
Touching the SNAP layer button displays the parameters available for the
SubNetwork Access Protocol protocol layer.
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