Do we need interface IP or Loopback IP for configuring APS in the router?

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Apr 4th, 2007
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Pl find the design attached..


we have 2 highend routers(7206). They both connected to ADM MUX which intern connected to the BSNL MPLS.


Automatic Protection Switching(APS) is to be configured on the router. So the question is do we need to use INTERFACE IP or LOOPBACK IP to configure APS.


Thanks in Advance.


Reg

karthik





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Correct Answer by vmiller about 10 years 3 weeks ago

More convention than anything else. It works as advertised. In our environment, our portect interfaces are on the same routers as the working interfaces, In yours it appears you will be protecting across routers. take a look at the following:

http://www.cisco.com/en/US/tech/tk482/tk607/technologies_tech_note09186a0080093eb5.shtml

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vmiller Wed, 04/04/2007 - 14:37
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use the loopback in the aps protect statement.

karthiksr Wed, 04/04/2007 - 20:35
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Hi VMiller


Thanks you very much for your response.


Can you pl tell me the reasons for selecting loopback and reasons for not selecting the interface IP.?


Thanks in advance...



Correct Answer
vmiller Thu, 04/05/2007 - 08:53
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More convention than anything else. It works as advertised. In our environment, our portect interfaces are on the same routers as the working interfaces, In yours it appears you will be protecting across routers. take a look at the following:

http://www.cisco.com/en/US/tech/tk482/tk607/technologies_tech_note09186a0080093eb5.shtml

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