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Serial PPP w/ CHAP : Re-Authentication period?

I've read in several places that PPP with CHAP will periodically reauthenticate the peer device.

The question was posed to me, and I can't find the answer.... how often by default does CHAP reauthenticate it's peer device? The example network is a point-to-point serial link.

Thanks!

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Re: Serial PPP w/ CHAP : Re-Authentication period?

The Chap re authentication at 900 second intervals causes the PPP state to change from up state to authentication state.

Follow the URL for the PAP, CHAP authentication configuration :

http://www.cisco.com/en/US/tech/tk713/tk507/technologies_tech_note09186a00800b4131.shtml

http://www.cisco.com/en/US/tech/tk713/tk507/technologies_tech_note09186a00800b4130.shtml

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