Using the BayStack 450 10/100/1000 Series Switch
1-36 309978-D Rev 01
ATM Application
Figure 1-14 shows an example of using your BayStack 450 switches with optional
BayStack 450-2M3/2S3 MDAs installed. You can configure each switch with up
to four virtual ports that correspond to any of four LAN Emulation Clients (LECs)
within the MDA.
In this example, the BayStack 450-2M3/2S3 MDAs provide asynchronous
transfer mode (ATM) connections to a Nortel Networks Centillion
*
100 switch.
Clients (PCs) that are connected to S1 can communicate with clients connected to
S2, provided that the VLANs (with their respective client members) are mapped
onto the same ELANs, as shown. Although this example shows standalone
switches, you can apply the same example to a stack of up to eight switches, with
32 VLANs and 32 ELANs. See
“Setting Up an ATM Configuration” on page 1-37
for more information about setting up your BayStack 450-2M3/2S3 MDA.
Figure 1-14. Configuring an ATM Application
450-2M3/2S3 MDAs
BayStack switches
Centillion 100
switch
S1 S2
ATMSpeed
switch module
LEC 1/VLAN 1/ELAN 1/Vport 25
LEC 2/VLAN 2/ELAN 2/Vport 26
LEC 3/VLAN 3/ELAN 3/Vport 27
S1 ATM configuration:
LEC 4/VLAN 4/ELAN 4/Vport 28
LEC 1/VLAN 1/ELAN 1/Vport 25
LEC 2/VLAN 2/ELAN 2/Vport 26
LEC 3/VLAN 3/ELAN 3/Vport 27
S2 ATM configuration:
LEC 4/VLAN 4/ELAN 4/Vport 28
Centillion configuration:
ELAN 1
ELAN 2
ELAN 3
ELAN 4
BS45082A
PC1/V1 PC2/V2 PC3/V3 PC4/V4 PC1/V1 PC2/V2 PC3/V3 PC4/V4
Clients
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