Reference Guide

Figure 120. Single and Double-Tag TPID Mismatch
The following table details the outcome of matched and mismatched TPIDs in a VLAN-stacking network.
Table 64. Behaviors for Mismatched TPID
Network Position Incoming Packet
TPID
System TPID Match Type 9.1(1.0)
Ingress Access
Point
untagged 0xUVWX — switch to default
VLAN
single-tag (0x8100) 0xUVWX single-tag
mismatch
switch to default
VLAN
0x8100 single-tag match switch to VLAN
858
Service Provider Bridging