beautypg.com

Cisco 4000 User Manual

Page 12

background image

1-12 Cisco 4000 Series Installation Guide

Memory Systems

Table 1-4

Cisco 4000-M Shared Memory Requirements

Table 1-5

Cisco 4500-M and Cisco 4700-M Shared Memory Requirements

Network Processor Module

Per-Module Shared Memory
Requirements

Single-port Ethernet

0.1 MB

Dual-port Ethernet and dual-port
serial

0.2 MB

Dual-port Token Ring, four-port
serial, and G.703/G.704 serial

0.4 MB

Eight-port BRI, CT1/PRI, and
CE1/PRI

1.0 MB

FDDI

2.0 MB

Network Processor Module

Per-Module Shared
Memory Requirements

Dual-port Ethernet and dual-port serial

0.4 MB

Single-port Fast Ethernet

1.7 MB

Dual-port Token Ring, four-port serial, and G.703/G.704 serial

0.6 MB

Six-port Ethernet, Eight-port BRI, CT1/PRI, and CE1/PRI

1.2 MB

ATM and one FDDI

1

1. FDDI modules are an exception in that two FDDI modules do not require double the shared memory of one FDDI

module.

2.0 MB

Two FDDI

2

2. FDDI modules are an exception in that two FDDI modules do not require double the shared memory of one FDDI

module.

3.0 MB

Dual-port high-speed synchronous serial and 16-port
low-speed synchronous serial

0.6 MB

HSSI

1.0 MB