C HAPTER
7
QoS Features Available on the
Catalyst 4000 IOS Family of
Switches and the Catalyst G-L3
Family of Switches
This chapter continues the tour of QoS feature support on Catalyst switches. This chapter
covers two distinct product lines, the Catalyst 4000 IOS Family of switches and the Catalyst
G-L3 Family of switches. The Catalyst 4000 IOS Family of switches encompasses any
Catalyst 4000 chassis with a Supervisor III or IV Engine. The Catalyst G-L3 switches
includes the Catalyst 2948G-L3, 4908G-L3, and the Catalyst WS-X4323-L3 (the Layer 3
services module for a Catalyst 4000 switch). Table 7-1 describes the various Catalyst 4000
platforms. Table 7-1 is identical to Table 3-7 in Chapter 3, “Overview of QoS Support on
Catalyst Platforms and Exploring QoS on the Catalyst 2900XL, 3500XL, and Catalyst
4000 CatOS Family of Switches,” and is included here for quick reference.
Table 7-1 Catalyst 4000 CatOS Versus Cisco IOS Software Platform Matrix
Catalyst 4000 Model Reference Family Description
Catalyst 2948G Catalyst 4000 CatOS 48-port 10/100BASE-TX switch ports + 2
1000BASE-X GBIC* switch ports
Catalyst 2980G Catalyst 4000 CatOS 80-port 10/100BASE-TX switch ports + 2
1000BASE-X GBIC switch ports
Catalyst 2980G-A Catalyst 4000 CatOS 80-port 10/100BASE-TX switch ports + 2
1000BASE-X GBIC switch ports
Catalyst 2948G-L3 Catalyst G-L3 Switch 48-port 10/100BASE-TX + 2 1000BASE-X
GBIC Layer 3 switche ports
Catalyst 4003 + WS-X4012
Supervisor I Engine
Catalyst 4000 CatOS 3-slot modular chassis + 2 1000BASE-X GBIC
ports on Layer 2 supervisor
Catalyst 4006 + WS-X4013
Supervisor II Engine
Catalyst 4000 CatOS 6-slot modular chassis + 2 1000BASE-X GBIC
ports on Layer 2 supervisor
Catalyst 4006 + WS-X4014
Supervisor III Engine
Catalyst 4000 IOS 6-slot modular chassis + 2 1000BASE-X GBIC
ports on Layer 2/3 supervisor
Catalyst 4006 + WS-X4515
Supervisor IV Engine
Catalyst 4000 IOS 6-slot modular chassis + 2 1000BASE-X GBIC
ports on Layer 2/3 supervisor
Catalyst WS-X4232-L3
Layer 3 Services Module
Catalyst G-L3 Switch Layer 3 router module for Catalyst 4003 and
4006 chassis with Supervisor I or II Engine
continues
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