VPN

I am having a problem with one of our associates laptops trying to connect to the VPN. After the authentication process, it gets the IP information but then the VPN client hangs on "Securing Communications". You have to kill the vpngui.exe process an...

I´am trying to connect Vpn tunnel between VPN3000 (only basegroup with pre-shared key) and Pix 501. It´s working fine with Pix OS 6.2.2. But when i upgrade to 6.3.5 i get this error "Xauth required but selected Proposal does not support xauth, Check ...

End users of ours are not able to connect via VPN to a client in Chicago from within our network. They can connect from home or from other remote locations. They are using the cisco vpn client to connect, anything that you know of that could be blo...

Aloha:We have a VPN cluster with two 3030 Concentrators. When you connect to the virtual address, you are pushed to one address, but when it is "negotiating security policies" the connection drops, but then when you click "Connect" again, it works! T...

I am trying to set up a VPN between a Cisco PIX 506 w/ IOS 6.3(5) and a Linksys BEFVPN41. Below is the config from the PIX and the resulting log from the Linksys. I am using the Linksys BEFVPN as I believe this is supposed to be operable with a PIX. ...

hi everyone need ur help once again. i read about digital signatures it said that the router while sending the pkcs 10 the certificate request form first hashes the form and encryptes the hash using it's private key and attaches this encrypted hash c...

I get a Blue Screen when installing the Cisco VPN Client with the Aironet 350 Wireless Adapter. I have Windows ME. The complaint is an exception for the NDIS VXD. The VPN is 4.04 and Aironet is is 6.2.012. Can you give me an ides at what to look at....

Hi, When I install Cisco VPN client 4.0 on Win XP Pro SP2, it installs the Deterministic Network Enhancer(DNE). What is this and what's it's purpose? What affect would disabling the DNE have on my VPN connection? Would it make my VPN connection less ...

Hi,Can anybody guide me how do I know the license of Router IOS ? If I have purchased crypto IOS and I wanted to know in 5 different router that individual license is running how to know this ?Pls. guide me if any one has idea.Thanks in advance.Regar...

Hi,I've configured my clients 2800 router running 12.4.3a Adv Security to provide the following servicesFirewall - WorkingIPS - WorkingL2TP - Not WorkingPPTP - WorkingIPsec - WorkingI can't seem to get the L2TP working in the live environment althoug...

Hi all together,I still have a problem understanding the IKE settings in the VPN 3000 Concentrator. Can someone tell me for what purpose the IKE Parameters under Configuration | Policy Management | Traffic Manangement | SAs are good for?In my underst...

Hi All,We have a cisco 3620 terminating an IPSEc tunnel.Everything has been fine for a few months and then yesterday we started getting the following errors: %CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed %CRYPTO-4-RECVD_PKT_MAC_ERR: decrypt:...

Hi all, i've some problem with my VPN. In fact,sometimes, when the VPN comes up i can't ping remote office from certain HQ networks. After 5 min i can ping it.When i have this problem, i receive this message: %CRYPTO-4-RECVD_PKT_MAC_ERR?? Why?? The ...

I have a site to site vpn between a pix firewall and a sonicwall firewall. I am receiving this message on the pix:IPSEC(sw_esp_decap): fail antireplay checkIPSEC(cipher_ipsec_request): decap failed for x.x.x.x -> x.x.x.xDoes anyone know what this me...