I have some queries regaridng IOS supporting features for Gre-IPSec Tunnel configuration.
In my Organisation we have Cisco C1841-IPBASE-M Router is there but we need to establish a Gre-IPsec tunnel ,it is not accespting the Crypto commands.
Can i Upgrade the IOS ,which IOS is supports VPN tunneling,If so what are the prerequisits and where can i download the software ? ,to download the software do i need advance level of Cisco Privileges ? and waht RAM & Flash details ?
By Summarizing my issues,
How can myself can decide that the IOS of Router for suppoting feautes and How can i determine the Right IOS to implement the Feature,If you help in this concept really i feeel that i am Network Engineer because i am getting confuse is the IOS supports the required featues and also i am failing to determine the Right IOS.
Pls Help me on this. I have heard about Cisco Navigator Tool , How can i use that service ?
Pls see the Output of SH version of Cisco 1841 Router ,that we need to implement GRE-IPSec
Router#sh ver Cisco IOS Software, 1841 Software (C1841-IPBASE-M), Version 12.4(17b), RELEASE S OFTWARE (fc2) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2008 by Cisco Systems, Inc. Compiled Mon 25-Feb-08 20:59 by prod_rel_team
ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
Router uptime is 28 minutes System returned to ROM by power-on System image file is "flash:c1841-ipbase-mz.124-17b.bin"
Cisco 1841 (revision 7.0) with 97280K/33792K bytes of memory. Processor board ID FHK12162444 2 FastEthernet interfaces 2 Serial(sync/async) interfaces DRAM configuration is 64 bits wide with parity disabled. 191K bytes of NVRAM. 31360K bytes of ATA CompactFlash (Read/Write)
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