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Cisco CyberSecurity
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Slow Throughput on L2L IPsec Tunnel

Sorry for the long post but here goes …I am experiencing slow throughput on a L2L IPsec tunnel that we have between one of our offices on the west coast (WC) US and another on the east coast (EC) US. The tunnel endpoint on the WC resides on a 5510 an...

laclairp4 by • Level 1
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vpn pre-frag failures

Hello,we have an l2l-ipsec tunnel between an ASA5520 and an ASA5505.Both devices have configured:        crypto ipsec df-bit clear-df outsideWhen I copy files over the tunnel to a file server (CIFS),the windows client sometimes stops with an error me...

lmark by • Level 1
  • 969 Views
  • 0 replies
  • 0 Helpful votes

Resolved! IPsec client matching s2s NAT issue

HiWe have a remote site (Paris) with a 5512 with a couple s2s tunnels and RA vpn client (anyconnect and IPsec).  Anyconnect has no issue but the ipsec client cannot pass traffic to the LAN.  The subnet behind the fw is 10.176.0.0/16 and the RA client...

AnyConnect client keeps disconnecting on MACbook Air

One of our MAC user out of thousands having problem with connecting to VPN box (5520). We use AnyConnect version 3.0.10057. When the user connect to the VPN, it remain connected for few seconds and then disconnect and reconnect again. ASA debug shown...

kthned by • Level 3
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  • 0 replies
  • 0 Helpful votes

Resolved! Restrict certain IP addresses for establishing IPSec

Is it possible on Cisco ASA 55xx to restrict (to filter) certain public IP addresses which would be THE ONLY addresses able to establish Remote Access IPSec VPN using Cisco VPN client? Let's assume that Cisco VPN client establishes VPN connection fro...

cisco anyconnect client certificate authentication does not require root and subCA to be installed on client side for authentication ?

hi every one,i have anyconnect with certificate based authentication. i can see if i remove root and subCA from client certificate store in windows7. i can see that with only client certificate user gets access.however i have configured it for CRL ch...

ASA 5515 clientless vpn RDP plugin

Hello;i try to download and install the clientless vpn rdp-plugin for our newly installed asa 5515(asa 9.1, asdm 7.1).but i cannot find the plugins for download:please help, i want to provide this funktionality fr my users.thanks, thomas

Site-to-site VPN not working tunnel is up but no decaps

Hi,I've created a site to site VPN from Cisco ASA (ios version 9.0.2) to a Juniper firewall.The tunnel is showing as up in the ASDM but I cant ping anything on the local network from the remote site.10.50.0.0/22(local LAN) ==>internet <==10.234.0.0/2...

G4stechno by • Level 1
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  • 2 replies
  • 0 Helpful votes

Resolved! VPN IPSec Site-to-Site Aggressive Mode on Cisco1905

Hello everyone, you can configure a cisco 1905 router with vpn ipsec site-to-site in an aggressive mode? If so, someone may indicate a link to what I do? The VPN works well, but on site A, I had to configure a crypto map associating the IP address fo...

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