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Cisco Router 2821 supports Diffie Hellman Group 24 for IPSec

anug28
Level 1
Level 1

‎09-13-2011 02:47 AM - edited ‎03-07-2019 02:11 AM

Hi,

I currently have a Cisco router 2821 and using it for tunnel configuration with HP-UX implementation of IPSec.

I would like to know if Diffie-hellman Group 24 algorithm is supported on these routers and also if any updates/patches are available.

Thank you.

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Peter Paluch
Cisco Employee
Cisco Employee

‎09-13-2011 04:33 AM

Hello,

According to the documentation, it appears that the DH Group 24 should be supported in IOSes starting with version 15.1(2)T. You would need to upgrade to that version or newer, the latest IOS for your 2821 appears to be 15.1(3)T1 according to the Feature Navigator.

Best regards,

Peter

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