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12.4(11) or 12.4(15) for DMVPN Phase 3

Hi

We are to plan a migration from DMVPN Phase 2 12.3(11) to a DMVPN Phase 3 architecture (about 300 spokes).

Does someone have experience any issues with the following IOS version in a DMVPN Phase 3 architecture ?

12.4 (11) or

12.4 (15).

Thank you very much for your help

3 REPLIES
Anonymous
N/A

Re: 12.4(11) or 12.4(15) for DMVPN Phase 3

Check this bug if the DVPN Tunnel is flapping :CSCse51804

Cisco Employee

Re: 12.4(11) or 12.4(15) for DMVPN Phase 3

Are you referring to 12.4 Mainline code or 12.4T code. The reason I ask is, I have not seen a 12.4(11) 12.4(15) on cisco.com.

If you are referring to 12.4(11)T or 12.4(15)T, you may want to look at CSCsj34699 which is resolved in 12.4(15)T1. Also, take a look at the 12.4T release notes for additional information.

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124relnt/xprn124t/124tcavs.htm

Regards,

Arul

New Member

Re: 12.4(11) or 12.4(15) for DMVPN Phase 3

If you are planning to use c7200s as the HUBs, there is a BUG with mem allocation for CEF and a significant mem leak in 12.4.15T1. A maintainance ver 12.4.16.13T fixes the CEF issue but breaks the AAA functionality, so we had to go back to 12.4.11T4.

Do not know if 12.4.15T1 is OK for the other types of RTRs acting as HUBs

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