Datasheet

Catalyst 2912MF
XL
Catalyst 2924M XL
11.2(8)SA6 12.0(5)XU 12.0(5)WC3b
Catalyst 2924M XL
DC
12.0(5)XU 12.0(5)XU 12.0(5)WC3b
Catalyst
WS−X2931−XL
11.2(8)SA6 12.0(5)XU 12.0(5)WC3b
Catalyst 3508G XL
11.2(8)SA6 12.0(5)XU 12.0(5)WC3b
Catalyst 3512 XL
11.2(8)SA6 12.0(5)XU 12.0(5)WC3b
Catalyst 3524 XL
11.2(8)SA6 12.0(5)XU 12.0(5)WC3b
Catalyst 3524 PWR
XL
12.0(5)XU 12.0(5)XU 12.0(5)WC3b
Catalyst 3548 XL
12.0(5)XP 12.0(5)XU 12.0(5)WC3b
Catalyst
2950G−12−EI
12.1(6)EA2 12.1(6)EA2 12.1(6)EA2c
Catalyst
2950G−24−EI
12.1(6)EA2 12.1(6)EA2 12.1(6)EA2c
Catalyst
2950G−24−EI−DC
12.1(6)EA2 12.1(6)EA2 12.1(6)EA2c
Catalyst
2950G−48−EI
12.1(6)EA2 12.1(6)EA2 12.1(6)EA2c
Catalyst 3550−12G
12.1(6)EA1 12.1(6)EA1 12.1(8)EA1c
Catalyst 3550−12T
12.1(4)EA1c 12.1(4)EA1c 12.1(8)EA1c
Catalyst
3550−24−SMI
Catalyst
3550−24−EMI
12.1(6)EA1a 12.1(6)EA1a 12.1(8)EA1c
Catalyst
3550−24−SMI−DC
12.1(6)EA1b 12.1(6)EA1b 12.1(8)EA1c
Catalyst
3550−48−SMI
Catalyst
3550−48−EMI
12.1(8)EA1b 12.1(8)EA1b 12.1(8)EA1c
Note: Upgrade all the switches in a series to the same software version. Otherwise, the loop−breaking
algorithm might never resolve itself. For example, if the stack includes only Catalyst 2900 series XL and 3500
series XL switches, they must run Release 12.0(5)XU or later. If the stack includes a mixture of Catalyst 2900
series XL, 3500 series XL, 2950, and 3550 switches, all the 2900 XL and 3500 XL switches must run Release
12.0(5)XW or later, all 2950 switches must run 12.1(6)EA2 or later, and all the Catalyst 3550 switches must
run Release at least 12.1(4)EA1 or later, depending on model.
Cisco − Catalyst Switch GigaStack Configuration and Implications