Upgrading To A T640 Standard Sib Version B; Figure 113: Installing A Sib - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide

Upgrading to a T640 Standard SIB Version B

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If the LED is lit steadily, remove and install the SIB again (see "Removing a
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T640-SIB" on page 216 and "Installing a T640-SIB" on page 217). If the
lights steadily, the SIB is not functioning properly. Contact your customer support
representative.
Check the status of the SIB. Issue the following CLI command:
9.
user@host> show chassis environment sib

Figure 113: Installing a SIB

NOTE: Before you install one or more FPC4s in a T640 router that is not part
of a routing matrix, you must replace each SIB in the router with a SIB
version B.
SIB version B is supported in Junos OS Release 7.3 and later.
Standard SIBs and SIB version B cannot be installed in the same chassis at the same
time, except during upgrade. To upgrade to standard SIB version B, you prepare the router
by placing it into upgrade mode, then replace each standard SIB with a standard SIB
version B.
NOTE: During the upgrade, the T640 router might experience some packet
loss, depending on the operational environment. For more information,
contact your customer support representative.
LED still
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