[理學(xué)]1419702-hardwareoeriew(編輯修改稿)
2024-11-10 17:11 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 ent Ether and RS232 Console Connections Front View Switch Fabric Redund SF Redund NP Node Processor Timing Module Redund TM NP Adapter Front Back Midplane Connector Fan Tray 4 Fan Tray 3 Node Processor Redundant Node Processor Switch Fabric Redundant Switch Fabric Base I/O 3 Base I/O 12 Base I/O Modules GX 550 ATM Switch Architecture ? GX 550 evolved from CBX 500 ? SP card functionality of CBX 500 distributed on separate modules ? Node processor (with redundancy) ? Switch fabric (with redundancy) ? Timing module (with redundancy) ? NP adapter equivalent to SP adapter 18 Switch Fabric Redund SF Redund NP Node Processor Timing Module Redund TM NP Adapter Node Processor Good Marg. Failed StnBy Diag. Port NPA Module EXT PWR ALARM ALARM STATUS NET MGNT ENET E10 IN E11 IN E1 OUT T10 IN T11 IN T1 OUT Good Failed GX 550 NP and NP Adapter ? Node processor contains ? i960 processor, PCMCIA hard drive ? Node processor adapter contains ? RJ45 10BaseT Ether ? RS232 serial interface (DB9) ? Alarm status port ? T1/E1 primary/secondary timing connections (input amp。 output) 19 NP2 on GX550 ? GX550 with NP2 can: ? Support larger areas ? Support up to 4 times the number of adjacencies per node ? Compatible with all GX550 cards ? Lossless upgrade from Existing NP to NP 2 ? Space saving dedicated maintenance port 20 NP2 Supports Larger OSPF Areas on GX550 ? Upgraded processor (Pentium III, 500MHz) ? Up to 400% performance gain offers substantially increased nodal adjacency and work growth ? Enhanced BGP performance for IP services Increased system memory to 768MB: ? Acmodates larger routing tables and LSAs ? Increased Billing Storage amp。 Higher Capacity Flash Disk Increased BGP peering sessions amp。 faster convergence ? Increased VPNs and VPN VCCs ? Upgraded Ether link from 10BaseT to 10/100BaseT Replaced hard disk drive with FLASH drive ? Increased Billing Storage amp。 Higher Capacity Flash Disk ? Enhanced reliability Increased OSPF adjacencies/fanout 21 Front View WAN Port Connections Phy Modules Base I/O Module D C B A Base I/O Module Phy Module OC3c/STM1 OC48/STM16 Base I/O Module D C B A Midplane Connector OC12c/STM4 Fan Tray 4 Fan Tray 3 Node Processor Redundant Node Processor Switch Fabric Redundant Switch Fabric Base I/O 3 Base I/O 12 Base I/O Modules GX 550 Base I/O amp。 Phy Modules ? Phy (physical) module contains OCx/STMx connectors ? Base I/O module ? Independent of line card (phy module) ? Supports four threads to switch fabric ? Supports various OC/STM connections 22 ?From a direct console connection (or a Tel session), use the SHOW CARD mand to view modules in a switch Viewing GX 550 Hardware Configuration 550 show cardSlot Type Redund SW Rev HW Rev EPROM Serial State1 NP1 Active 03 40A06621 1A SF1 Active 00 40A06768 1B SF1 Standby 00 40A06840 1C TM1 Active 01 40A07231 1D TM1 Standby 01
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