Concept Guide

Figure 122. 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 104. 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 — 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
Service Provider Bridging 919