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Using the Console Interface
309979-A Rev 00
3-27
User-Defined Protocol Identifier (PID) Description
In addition to the standard predefined protocols, user-defined protocol-based
VLANs are supported. For user-defined protocol-based VLANs, you specify the
Protocol Identifier (PID) for the VLAN. Any frames that match the specified PID
in any of the following ways are assigned to that user-defined VLAN:
• The ethertype for Ethernet Type 2 frames
• The PID in Ethernet SNAP frames
• The DSAP or SSAP value in Ethernet 802.2 frames
The following PIDs (see Table 3-10
) are reserved and are not available for
user-defined PIDs:
Table 3-10. Reserved PIDs
PID Value (hex) Comments
04 **, ** 04 Sna 802.2
F0 **, ** F0 NetBios 802.2
AAAA SNAP
0 - 05DC Overlaps with 802.3 frame length
0600, 0807 Xns Ether2
0BAD Vines Ether2
4242 IEEE 802.1D BPDUs
6000 - 6009, 8038 Dec
0800, 0806 Ip Ether2 (including Arp)
8035 Rarp Ether2
809B, 80F3 AplTk Ether2Snap
8100 IEEE 802.1Q for tagged frames
8137, 8138 Ipx
80D5 Sna Ether2
86DD Ipv6 Ether2
8808 IEEE 802.3x pause frames
9000 Diagnostic loopback frame