Network Security

I'm struggling to address an issue where as a policy I have internal virtualized/clustered servers on reserved DHCP addresses on a separate VLAN, and occasionally there is a situation where by the guests change hosts and end up on another VLAN (for w...

Hi Experts,We  had an ASA in our environment and tried to migrate to new ISP. But  after the migration of the ISP, internet well as vpn disconnects in 20 -  30 minutes.Following are the noticable things after the internet disconnets1) Ping to the ASA...

hello,in the new 64 Bit version I got the follwoing error if I using the the update now funktion.HTTP Status 500 -type Exception reportmessagedescription The server encountered an internal error () that prevented it from fulfilling this request.excep...

I have an ASA5505 with Security Plus licenseso I can have many interfaces (not 2 + 1 limited DMZ like in base license)I have 2 VLANs.Is it possible to use one ISP for VLAN 1 and other for VLAN 2 ?Is it limited to 2 ISP's or can have more ?Thanks in a...

Hi If we like to deploy 10 or more Firewalls at once via CSM 4.2 than CSM hangs during the deploy  .We have to restart CSM processesIts seems that it depend on the number of firewall if deploy fails.We have Windows 2008 on VMware , 10 GB Memory , 2 C...

Hi A Cisco engineer told me hat CSM 4.3 has a Interface to Tufin . Can anybody confirm that ?sincerely Alfred

Hi,I use ASA 5510 and I would like to log VPN traffic ( for example, as soon as a remote user try to connect to the asa).I would like this log be send to a specific mail address.I already configure Email Logging for severity  ( level 3) and it works ...

Hi!A customer got a new VoIP PBX, and now I have to forward port 443 on the ASA to the PBX for remote administration purposes. The LAN-interface of the PBX is in the same subnet as the ASA but has an external VoIP-router as default gateway and not ou...

Hello.We have a hardware client connected to our network with software 4.7.2.L working with LAN extension.We can ping but we are unable to reach GUI and SSH on public interface.Any ideas!Regards.Andrea

HiOn firewall we have zone created for dmz and ip is 192.x.x.x and it is connected to 2950 switch(DMZ switch)  with vlan 25We have L3 switch on this we have created vlan 25 and connected cable from L3 with 2950 switch with vlan 25As we have the serve...

I have an ASA and I need to run eigrp but I am seeing that it only supports OSPF.I thought once routing is supported eigrp shoudl be there by default, is this IOS driven?How do I enable eigrp??Here's a sh ver:System image file is "disk0:/asa708-k8.bi...

hi,i have configured line vty with username password but when i try to telnet that switch, it is only asking me passwordi dont understand thisi am telneting from 4506e core switch to 2960 edge switch

Hello,I need to allow connection from IPHONE (in Internet) to connect Exchange on private network, synchronising with activesync (https)We have a microsoft TMG on frontal (inside network)What is the method to parameter CISCO ASA using clientless acce...

Hi, I have configured ASA CSC SSM module for AD integration for user based access control. The domain controller Agent has been installed in AD server. But the Agent is not able to communicate to CSC module. There are errors getting generated in AD a...