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Community Member

Possible to combine 2 BLSRs?

Hello, we have 7 15454s in our network today, 5 in ring id 1 and 4 in ring id 2 (2 are in both rings).  Both rings are 2-fiber BLSR.  Due to some upcoming changes we need to move away from this 2 ring architecture.  Is it possible to merge the rings into 1 ring including all nodes, short of deleting all the circuits, the BLSRs, building new BLSRs and rebuilding the circuits?

Thanks,

Josh

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Cisco Employee

Re: Possible to combine 2 BLSRs?

Hello Josh,

Merging is not possible, but you can delete both BLSR rings configuration (BLSR protected circuits will be converted to unprotected) and then create a new BLSR ring including all needed nodes.

Delete BLSR

http://www.cisco.rw/en/US/docs/optical/15000r9_0/15454/sonet/procedure/guide/454a90_networkconfig.html#wp1196063

http://www.cisco.com/en/US/products/hw/optical/ps2006/products_tech_note09186a00803863f3.shtml

Configure BLSR

http://www.cisco.rw/en/US/docs/optical/15000r9_0/15454/sonet/procedure/guide/454a90_networkconfig.html#wp1173263

Regards,

/A

Cisco Employee

Re: Possible to combine 2 BLSRs?

You can delete the BLSR Configuration on both rings, then ensure that

all circuits are using unique STS's or STM's then recreate the BLSR as a single ring ID with each node having a unique node ID.

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