Solved

Cisco Router Series 3900

Posted on 2014-04-30
5
350 Views
Last Modified: 2014-05-13
Guys I am getting all the time this message in my router config. Anyone knows what it is ?

742: %CRYPTO-5-IKMP_AG_MODE_DISABLED: Unable to initiate or res
pond to Aggressive Mode while disabled



Rgrds

Andreas
0
Comment
Question by:AndreasChristoforides
  • 3
  • 2
5 Comments
 

Expert Comment

by:mozekin
ID: 40031859
Andreas,

Normally, a cisco router will check for aggressive-mode during boot or responding to an IKE request which is what it appears to be with the information you have provided. How often does this message appear? every few minutes or only at initialisation stage? it could just mean that there are some peers trying to connect via IPSEC to your router.
0
 

Author Comment

by:AndreasChristoforides
ID: 40031878
Hey Mozekin,


It appears every 1 minute , will i have issues with my log after ? How can i view these peers ?
0
 

Expert Comment

by:mozekin
ID: 40033507
Andreas,

Have a read of the below support page, depending on your environment setup you may be able to get away with adding the host as a peer to stop the informational logs.

Do you know which peers are trying to communicate over IPSec to your router?

http://www.cisco.com/c/en/us/td/docs/ios/12_2/security/command/reference/srfipsec.html
0
 

Accepted Solution

by:
AndreasChristoforides earned 0 total points
ID: 40049873
Hello Mozekin , sorry for my late reply , i was away in another country !! Thank you so much for your help my friend !!! I have resolved the issue and the link you gave me also helped a lot ! Thank you !
0
 

Author Closing Comment

by:AndreasChristoforides
ID: 40061322
Fixed my issue and learned a lot about that message i was getting in the router !!!
0

Featured Post

PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Is KairosPlanet a fraud? 6 49
Hyper-V 2012 and VPN on 2012 R2 breaking virtual switch 9 56
Group Policy Question 7 68
change extension to new user 5 34
Is your computer hacked? learn how to detect and delete malware in your PC
There's a better way to communicate time sensitive or critical info.
Internet Business Fax to Email Made Easy - With eFax Corporate (http://www.enterprise.efax.com), you'll receive a dedicated online fax number, which is used the same way as a typical analog fax number. You'll receive secure faxes in your email, fr…
This video gives you a great overview about bandwidth monitoring with SNMP and WMI with our network monitoring solution PRTG Network Monitor (https://www.paessler.com/prtg). If you're looking for how to monitor bandwidth using netflow or packet s…

806 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question