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Cisco CyberSecurity

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Ipsec RA VPN using client 4.7 fail to connect to pix 515 running version 7.1(2) with the following error:Removing peer from peer table failed, no match! Error: Unable to remove PeerTblEntryAny ideas?Thanks in advanceaner sagi

anersagi1 by Level 1
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  • 1 replies
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I don't find any detail about the following SEV 1 log message "Unable to compute DH pair while processing SA!"Any idea? Thank you.

I and occasionally getting the following message %CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failedI know that I can change my anti-replay window size but don't know that reasonable numbers or what impact on resource will result by upping the win...

tluidens by Level 1
  • 1992 Views
  • 2 replies
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i use ppp chap authentication on my isdn connection,chap uses MD5 as the hashing algorithm,i want to change it to SHA1what the commands to do that,my IOS version is 12.4

Hi all,Is the running of DMVPN without IPsec a supported configuration?I'm testing it at the moment and hubs are loosing conncetivity with spokes. I'm wondering if it is beacuse of not using IPsec.Anyone tried this?Attila

adancso by Level 1
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  • 5 replies
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Can we create a IPSec tunnel over dot1q logical interface? I have managed to create IPSec tunnel on a FastEthernet interface, but when I moved it to a logical dot1q interface, the IPSec tunnel breaks.

siong by Level 1
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Hi all,Cisco 837 dials through a modem but after some negotiations the session is disconnected automatically.....i've done a lot of troubleshooting but can't resolve the issue...kindly helpFollowing is the ASYNC int configchat-script isp "" "AT&H1" T...

nedian123 by Level 1
  • 386 Views
  • 2 replies
  • 0 Helpful votes

We are having a problem upgrading a VPN concentrator from 4.1.7G to 4.7.2E. We go to the software update-> concentrator page but after attempting to update it gets to 97% and then we get this message-> An error occured while updating the image. Any i...

Aaron D by Level 1
  • 210 Views
  • 1 replies
  • 0 Helpful votes

VPN client 4.8.00.0440 is installed on WINDOWS XP PRO. When connect to VPN Tunnel computer is rebooting.

jfraczak by Level 1
  • 269 Views
  • 1 replies
  • 0 Helpful votes

i am having two asa one is on a leased line terminating public ip the other is insde dsl network isp is providing dhcp address on external interface adsl router which is aztech. i am trying to make make a vpn connectivity but ike negotiation drops sa...