[c-nsp] Cisco IPSec VPN's (Tunnel Interfaces) migrating from 12.2.25 to 15.1.4

[Chuck Church]

I'd be surprised if something didn't migrate over automatically.  IOS will
accept older style commands, and upon parsing them, changed them to the new
format itself.  You sure you're not running 12.4(25)?  I don't think 2800s
were around for 12.2.   I've moved 2800s from 12.4 to 15.1 with no issues,
none were running IPSec though.

Chuck

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
Blake Pfankuch - Mailing List
Sent: Thursday, September 12, 2013 5:49 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Cisco IPSec VPN's (Tunnel Interfaces) migrating from
12.2.25 to 15.1.4

Working with a vendor who is saying that when we "upgrade" from 12.2.25 to
15.1.4 on a couple of 2800 series routers holding about 15 IPSec vpn's and
tunnel interfaces with EIGRP across them we are going to have to rewrite all
of the config due to completely new command syntax on 15.1.4 compared to
12.2.25.

Has anyone run into this before?  I am seeing little differences, but not
crazy amounts...

Thanks,
Blake
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