Upgrade for Cisco 1861 router  for VPN

Posted on 2010-11-11
Last Modified: 2012-05-10
Hello All,

we are using a standard IOS that comes on the Cisco 1861 router by default.  I'm unable to configure VPN on it. The Cisco 1861 supports IPSEC VPN DES/3DES, etc..., but I'll need to get the optional upgrades to get the function of VPN on that router.  so please suggest how to update it ?
What should i do for doing update Cisco 1861 ?
How to get update ?

please suggest
Melbourne1861#sh version
Cisco IOS Software, C1861 Software (C1861-SPSERVICESK9-M), Version 12.4(20)T4, R
Technical Support:
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Tue 01-Sep-09 15:15 by prod_rel_team

ROM: System Bootstrap, Version 12.4(11r)XW3, RELEASE SOFTWARE (fc1)

Melbourne1861 uptime is 2 weeks, 18 hours, 12 minutes
System returned to ROM by reload at 10:21:08 UTC Thu Oct 28 2010
System image file is "flash:c1861-spservicesk9-mz.124-20.T4.bin"
Last reload reason: Reload Command

This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:

If you require further assistance please contact us by sending email to

Cisco C1861-SRST-F/K9 (MPC8358) processor (revision 0x300) with 249856K/12288K b
ytes of memory.
Processor board ID FHK133574R0
MPC8358 CPU Rev: Part Number 0x804A, Revision ID 0x20
12 User Licenses
10 FastEthernet interfaces
4 Voice FXO interfaces
4 Voice FXS interfaces
1 Voice MoH interface
128K bytes of non-volatile configuration memory.
125440K bytes of ATA CompactFlash (Read/Write)

Configuration register is 0x2102

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Question by:kavinagpur
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Accepted Solution

akhilw earned 250 total points
ID: 34118335
Get in touch with your router vendor.  If you have a CCO account and valid cisco contract you can use the Cisco Software Advisor tool to dowload the appropriate IOS.

Author Comment

ID: 34118364
Hello Akhilw,

Thanks for your reply, I bought the Cisco 1861, as it is brand new, from ebay, can they solve this issue.


LVL 34

Expert Comment

by:Istvan Kalmar
ID: 34118423

You need to buy software from your local CISCO provider, and after you able to upgade the IOS that you bought!

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Author Comment

ID: 34118448
Thanks istvan

Now i have this router
Can you suggest which software  need for Upgrade Cisco 1861 ?
Can you suggest exact compatible with my present software ?

Author Comment

ID: 34118592
Please suggest Supported Images for Cisco 1861  IOS Software Release 12.4(11)XW f
should be available more features like VPN & All features that required for VOIP

Default image:c1861-spservicesk9-mz
 SP Services K9
LVL 10

Expert Comment

ID: 34129338
Hello kavinagpur

It appears that you have this question posted twice maybe by mistake. Either way, I have posted a comment at

Good luck

Author Comment

ID: 34134369
Please help When we are following the steps to create a tftp connection with the remote computer, it appears to be there is no LAN connectivity at all.
Please help how to get my FastEthernet intefaces back running again in ROMMON mode so I can starrt recover my IOS files.
LVL 10

Assisted Solution

koudry earned 250 total points
ID: 34141870

Do you have USB ports on the router? if So, you may the steps in this document:


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