Srp-Epn - Avaya S8700 Maintenance Manual

For multi-connect configurations

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SRP-EPN

in Alarm Log

The Survivable Remote Expansion Port Network (SREPN) provides EPN service

to the customer when the link to the main processor fails or is broken, or when the

processor or center stage fails. SREPN is a disaster recovery operation rather

than an additional reliability option.

Due to the hardware solution for SRP (Survivable Remote Processor),

maintenance tests to make sure the SRP can go into "survive" mode are not

When the Survivable Remote Processor field on the system-parameters

customer-options form is set to y, then the following alarming strategy is used:

1. When the SRP is not in control of the SREPN (which is the normal state),

then every alarm associated with the SREPN is downgraded to a

WARNING alarm. These include the EXP-INTF in the SRP, the EXP-LINK

between the SRP and the SREPN, and every maintenance component in

2. When the SRP is in control of the SREPN (the EXP-LINK is up between the

SRP and SREPN), the disaster recovery state is in effect. A MAJOR alarm

is raised against the SRP-EPN MO. Every other MO uses its normal alarm

If the S8700 Multi-Connect's server loses control (connectivity) to a SREPN, and

the SRP associated with the SREPN does not raise a MAJOR alarm against the

SRP-EPN MO, then the disaster recovery mechanism is not working.

There are no tests associated with the SRP-EPN MO. The only way to resolve

the SRP-EPN alarm is to fix the connectivity problem(s) between the server and

Full Name of MO

Issue 1 May 2002