Cisco x4232 安装指导

The software requirements for the Catalyst 4000 Layer 3 Services module are as follows:

The Catalyst 4000 Layer 3 Services module requires Cisco IOS software version 12.0(7)W5(15d) 
or later.

The Catalyst 4000 supervisor engine requires Cisco Catalyst software version 5.5(1) or later. We 
recommend that you run software version 6.1(1) or later.

The Catalyst 4000 Layer 3 Services module provides multiprotocol switching and routing for the 
Catalyst 4000 family switches.

The 32 10/100 Ethernet interfaces on the module provide full Layer 2 feature support and are 
configurable from the Catalyst 4000 family switch supervisor engine. Refer to the Software 
Configuration Guide—Catalyst 4000 Family, 2980G, and 2948G Switches, Software Release 6.1 for 
information on feature support on the Catalyst 4000 family switches. 

For configuration information for the standard IOS features supported on the Catalyst 4000 Layer 3 
Services module, see the “Configuring IOS Features” section on page 5.

Table 1 lists the Cisco IOS features available for the Catalyst 4000 Layer 3 Services module.

Layer 2 transparent bridging

Layer 2 MAC learning, aging, and switching by hardware

Spanning Tree Protocol (IEEE 802.1D) on each bridge group

A maximum of 16 active bridge groups

Up to 4000 MAC addresses

24K CAM

1

 is shared by Layer 2 entries, IP routing, IP multicast routing, and Novell IPX routing

ISL

2

-based VLAN trunking on the front panel of Layer 3 Gigabit Ethernet ports only

802.1Q-based VLAN trunking on all Layer 3 Gigabit Ethernet and Layer 2 Fast Ethernet ports