Users Guide
Figure 113. Single and Double-Tag TPID Mismatch
The following table details the outcome of matched and mismatched TPIDs in a VLAN-stacking network with the S-Series.
Table 70. Behaviors for Mismatched TPID
Network Position Incoming Packet 
TPID
System TPID Match Type Pre-Version 8.2.1.0 Version 8.2.1.0+
Ingress Access 
Point
untagged 0xUVWX โ switch to default 
VLAN
switch to default 
VLAN
single-tag (0x8100) 0xUVWX single-tag mismatch switch to default 
VLAN
switch to default 
VLAN
0x8100 single-tag match switch to VLAN switch to VLAN
0x81XY single-tag ๎rst-byte 
match
switch to VLAN switch to default 
VLAN
Core untagged 0xUVWX โ switch to default 
VLAN
switch to default 
VLAN
Service Provider Bridging
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