Figure 332: Tx Matrix Router And Tx Matrix Plus Router Sib Location - Juniper M Series Monitoring And Troubleshooting Manual

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M Series and T Series Routers Monitoring and Troubleshooting Guide

Figure 332: TX Matrix Router and TX Matrix Plus Router SIB location

T320 Router SIBs

Three SIBs are installed in the router. The SIBs are located at the center rear of the chassis

in the slots labeled

Each FPC has a dedicated ASIC with five high-speed links that connect to the SIBs. Two

high-speed links connect to

acts as a backup to

active. Because

has only one high-speed link to each FPC, only three links will remain

active. A slight degradation in forwarding capacity may occur. When the failed SIB is

replaced, it will become active and

forwarding capacity.

T640 Router, T1600 Router, and TX Matrix Router SIBs

Five SIBs are installed in the router. The SIBs are located at the center rear of the chassis

in the slots labeled

and TX Matrix Router SIBs" on page

Each FPC1 and FPC2 has a dedicated ASIC with five high-speed links that connect to the

SIBs (one link per SIB). An FPC3 has two dedicated ASICs, and each ASIC has five

high-speed links that connect to the SIBs (a total of 10 links). One of the five SIBs—usually

—acts as a backup to the remaining four SIBs. In the event of a SIB failure, the backup

SIB becomes active and traffic forwarding continues without any degradation. When the

failed SIB is replaced, it becomes the new backup.

The SIBs are hot-insertable and hot-removable.

TX Matrix Plus front

"T320 Router SIBs" on page

. One high-speed link connects to

. In the event of a complete SIB failure,

will revert to backup. The router will regain full

(top to bottom). (See

TX Matrix Plus rear

"T640 Router, T1600 Router,