Cisco 7600 SIP 200 Hardware Installation Guide - Page 161
show scp status, show scp, line cards, show diagbus, test scp line card keepalive, disable
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Chapter 7 Troubleshooting the Installation Problem SCP Keepalive Failure Troubleshooting Solution • The SP and the MSFC periodically poll each individual LC in the chassis for its health via SCP keepalives. Each LC in turn, must respond within a certain amount of time (dictated by the SCP keepalive timer) to indicate its health. If the LC fails to respond to the keepalives within the stipulated period of time, the MSFC assumes that there is an issue with the LC and power cycles it. When the LC comes back online, the SCP keepalives are resumed. • A line card might be unable to respond to the scp keepalives under situations of extreme stress when the CPU is busy with higher priority tasks, such as packet switching, interrupt processing etc. • Execute the show scp status and show scp line cards command to gather detailed information about the SCP process and health of each LC. A show diagbus indicates any errors with the LC. • Execute the test scp line card keepalive disable exec command on the RP console to disable the SCP keepalive timer and debug LC issues. To prevent the LC from being power cycled and losing its information, ensure that you disable the SCP keepalives for some time. OL-5052-14 Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide 7-5