Can IPsec run over ISDN line??

Answered Question
Jun 1st, 2009
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Hi Experts,


I really want to know if Cisco routers can run IPsec over ISDN line. Really need your kind advise if it is possible. Besides, is it the configuration is the same as IPsec over lease line??


Thank You.


Regards,


aans

Correct Answer by Danilo Dy about 7 years 11 months ago

Yes, IPSec will run in ISDN (BRI or PRI).


It should match exactly interesting traffic in the dialer.


http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a0080094c1f.shtml

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c.captari Mon, 06/01/2009 - 21:30
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IPSEC is layer 3 protocol


ISDN is layer 1 through 3.

Layer 3 refers mostly to call setup and won't interfere with your ipsec configuration.


Of course IPSEC can run over ISDN, and the configuration will be similar.



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