Allied Telesis AT-8202 - Manual (Page 24)

Configuring Trunking
1-16
Configuring Trunking
Trunking allows VLANs to be extended across multiple switches.
Trunk ports encapsulate the bridged frames within a proprietary
frame. The proprietary frame includes information required to
reproduce the frame on the opposite end of the trunk and to
maintain VLAN separation.
Without trunking service, different groups of VLANs must use two
separate virtual circuits (VCs) across an ATM interface. With trunking,
different groups of VLANs can share the same ATM VC, as shown in
Figure 1-3.
Figure 1-3 Trunking Service Example
Note
For ATM interfaces, a trunking service and a PTOP service can run
simultaneously on the same VLAN.
10/100BASE-T NETWORK PORTS 9 10 11 12 10/100BASE-T NETWORK PORTS 13 14 15 16 8201
10/100BASE-T NETWORK PORTS 1 2 3 4 10/100BASE-T NETWORK PORTS 5 6 7 8 STATUS POWER RESET GREEN - LINK YELLOW - DIAG GREEN - ACTIVITY
YELLOW - COLLISION
RS-232 TERMINAL PORT
10/100BASE-T NETWORK PORTS 1 2 3 4 10/100BASE-T NETWORK PORTS 5 6 7 8 GREEN - LINK YELLOW - DIAG GREEN - ACTIVITY
YELLOW - COLLISION 10/100BASE-T NETWORK PORTS 9 10 11 12 10/100BASE-T NETWORK PORTS 13 14 15 16 8201
10/100BASE-T NETWORK PORTS 1 2 3 4 10/100BASE-T NETWORK PORTS 5 6 7 8 STATUS POWER RESET GREEN - LINK YELLOW - DIAG GREEN - ACTIVITY
YELLOW - COLLISION
RS-232 TERMINAL PORT
10/100BASE-T NETWORK PORTS 1 2 3 4 10/100BASE-T NETWORK PORTS 5 6 7 8 GREEN - LINK YELLOW - DIAG GREEN - ACTIVITY
YELLOW - COLLISION
10/100BASE-T NETWORK PORTS 9 10 11 12 10/100BASE-T NETWORK PORTS 13 14 15 16 8201
10/100BASE-T NETWORK PORTS 1 2 3 4 10/100BASE-T NETWORK PORTS 5 6 7 8 STATUS POWER RESET GREEN - LINK YELLOW - DIAG GREEN - ACTIVITY
YELLOW - COLLISION
RS-232 TERMINAL PORT
10/100BASE-T NETWORK PORTS 1 2 3 4 10/100BASE-T NETWORK PORTS 5 6 7 8 GREEN - LINK YELLOW - DIAG GREEN - ACTIVITY
YELLOW - COLLISION
VLAN1 VLAN2
FORMULA 8200 Switches