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New Member

Can my 1841 work with IDS 4250?

I have a basic 1841 with a 2MFT-T1-D1.

I got a request for a VPN and an IDS.

I bought an ASA 5510 and a IDS-4250.

in the documentation for the IDS 4250 i dont see a mention of the 1800 line, just older 2600 3600 plaforms.

before i spend time + buy extra ram - can anyone enlighten me?

am i wrong choosing 4250?

2 REPLIES
Cisco Employee

Re: Can my 1841 work with IDS 4250?

I am not sure if I follow the question correctly. 

1. IPS is Intrusion prevention system.

2. IPS come as a hardware solution in terms of appliances which are IPS 42XX series (4240,4250.4270..etc)

3. IPS can also be a software only solution. In routers, we have a software implementation of IPS using the IOS only which is called IOS-IPS. This is a feature set included in the IOS that runs on routers.

1841 series router supports IOS-IPS.

More information: http://tools.cisco.com/squish/CCd87 

Now are you looking are using IOS-IPS on your 1841?

Or your question is how a 4250 IPS Hardware can be connected/used beside your 1841 router ?

What documentation are you using for reference? 

Sid Chandrachud

Cisco TAC

New Member

Re: Can my 1841 work with IDS 4250?

yes Siddharth

my question is "how a 4250 IPS Hardware can be connected/used beside your 1841 router " (or CAN it)

my 1841 IOS is:  cisco.1841.ios.12.4.25a.advanced.enterprise.services-cisc

i used the following links (read briefly)

http://www.cisco.com/en/US/docs/security/ips/4.1/installation/guide/hw4235.html

http://www.cisco.com/en/US/docs/security/ips/4.1/quick/guide/15594_02.html

IOS-IPS is probably best but i read in forums it will give me a processor hit and will slow things down (especially on a lower end router such as the 1841).

i already bought a couple of 4250's and if i can make them work with the 1841 it will be best.

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