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Robs1999

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Cisco OSPF Graceful Shutdown

We will performing network maintenance tonight and will need to take an OSPF neighbor down.  I've read on some Google searches on performing a graceful shutdown and wanted to see someone's take on it.

I need to shutdown the OSPF on our 6509 and then re-enable it with a port channel configuration.  Can i use the "max-metric router-lsa" command against router ospf 100 to force this device to start shifting traffic to different routers/OSPF neighbors?

The 6509 is connected to 2 ASR's (Level 3 & Sprint) and another 7609 (which is also connected to L3 & Sprint). I need to shutdown interface gi 4/45 (facing the ASR L3) in order to upgrade to a 2gb port-channel and restore OSPF.  Is there a better method of performing a graceful shutdown?

Basic Topology attached

Red links indicate new PORT-CHANNEL


Thanks in advance!
Rob
Topology.png
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Hassan Besher
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