Product Overview

Device

RM

Browser

 

SNMP

Interface

 

Agent

(httpd)

 

 

 

 

 

 

 

 

Command group (CLI)

ping, telnet, ftp, boot, log, show route, show ospf, config, etc.

Route control processing (GateD)

RIP, OSPF, BGP, RIPng, BGP4+ (Note 2) (Unicast)

IGMP,

DVMRP, PIM (Multicast)

MPLS/IP-VPN, LDP, CR-LPD (Note 1)

Bridge

Processing

IPX

Processing

Application Process group

Device

Node control, RP control, interface control, duplexed system control common RM control, and logging

control

 

 

 

Boot

Kernel (BSD/OS) IPv6 Relay/NDP/IGMPv6 (Note 2)

Kernel

Crossbar switch (CSW)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IPX/bridge

 

 

 

IP relay/ARP/ICMP

 

 

 

 

Packet forwarding engine

 

 

 

Relay

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Control of routing/QoS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

table search engine

 

 

 

 

Ethernet

 

PPP

 

 

Frame relay

 

ATM

 

 

 

 

 

 

Driver

 

Driver

 

 

Driver

 

Driver

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NIF

 

NIF

MAC

MAC

 

LSI

 

LSI

 

 

 

 

 

 

 

 

Figure 2-39 Routing Software Block Diagram

RP

*

Note 1: Effective only when the basic plus expansion software3 (ROUTE-OS3) is applied.

Note 2: Effective only when the basic plus expansion software6 (ROUTE-OS6) is applied.

 

 

GR2K-GA-1002

2-39

Rev 6.03

 

Page 95
Image 95
Hitachi GR2000 manual Nif