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Cisco Catalyst 3750-E User Manual

Cisco Catalyst 3750-E
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45-5
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-08
Chapter 45 Configuring Cache Services By Using WCCP
Configuring WCCP
It distributes the WCCP information to any switch that joins the stack.
It programs its hardware with the WCCP information it processes.
Stack members receive the WCCP information from the master switch and program their hardware.
Unsupported WCCP Features
These WCCP features are not supported in this software release:
Packet redirection on an outbound interface that is configured by using the ip wccp redirect out
interface configuration command. This command is not supported.
The GRE forwarding method for packet redirection is not supported.
The hash assignment method for load balancing is not supported.
There is no SNMP support for WCCP.
Configuring WCCP
These sections describe how to configure WCCP on your switch:
Default WCCP Configuration, page 45-5
WCCP Configuration Guidelines, page 45-5
Enabling the Cache Service, page 45-6 (required)
Default WCCP Configuration
WCCP Configuration Guidelines
Before configuring WCCP on your switch, make sure to follow these configuration guidelines:
The application engines and switches in the same service group must be in the same subnetwork
directly connected to the switch that has WCCP enabled.
Configure the switch interfaces that are connected to the clients, the application engines, and the
server as Layer 3 interfaces (routed ports and switch virtual interfaces [SVIs]). For WCCP packet
redirection to work, the servers, application engines, and clients must be on different subnets.
Use only nonreserved multicast addresses when configuring a single multicast address for each
application engine.
Ta b l e 45-1 Default WCCP Configuration
Feature Default Setting
WCCP enable state WCCP services are disabled.
Protocol version WCCPv2.
Redirecting traffic received on an interface Disabled.

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Cisco Catalyst 3750-E Specifications

General IconGeneral
SeriesCatalyst 3750-E
Switching Capacity32 Gbps
Stacking Bandwidth32 Gbps
StackWise PlusYes
Layer SupportLayer 3
MAC Address Table Size12, 000 entries
RAM256 MB
Flash Memory64 MB
Memory256 MB DRAM, 64 MB Flash
Operating Temperature32 to 113°F (0 to 45°C)
Ports48 10/100/1000 Ethernet ports
Form FactorRack-mountable
Jumbo Frame SupportYes
Input Voltage100 to 240 VAC
Storage Temperature-25 to 70 °C
Relative Humidity10 to 90% non-condensing

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