Network Security

I have just purchased 2 x 3650 cisco switches which will sit alongside the 2 x ASA 5510's i have installed.Ok issue is i only have a single inbound internet connection and as I am implementing  VLAN's on the switches have created one for the external...

I'm having no buffer and overuns errorsin 2 giga interfaces568612690628 packets input, 356568347548892 bytes, 104287727 no buffer    Received 1032492130 broadcasts, 0 runts, 0 giants    0 input errors, 0 CRC, 0 frame, 33255019 overrun, 0 ignored, 0 a...

Hi,I have come across strange issue with ASA failover.  The ASA software version does not matter whether 7.2x or 8.x.  The issue is that if there is an ASA failover pair at one site having a tunnel to a remote site (ASA or cisco router) sometimes the...

We have some ASA 5510. Because of the update to version 8.2 we upgraded our memory from 256 MB (original) to 512 with the memory upgrade kit from Cisco. Now the new version 8.3 requires again a memory upgrade of 1 GB.So the question is, what is the m...

Hi,we are in process of upgrading our ASAs to 8.3; multi-context mode is used and wondering is there any gotchas when upgrading multi-context mode to IOS ver 8.3?I know there are some changes how nat and ACL are configured in ver 8.3 but could not fi...

We host software for a customer and they just installed a managed mpls router. Management wanted a way to protect there servers in our datacenter so we put the asa inbeween there mpls router and there vlan in our datacenter. One of the requirements w...

We have multiple VPN tunnels to multiple ASAs. However, one we have OSPF running over the IPSec tunnel to the host ASA, and this remote site is the only ASA we're having problems pinging to or from the internal interface from across the tunnel. The h...

can you please help me figure out why I cannot telne,ssh or asm into an ASA 5505 using its private ip address? I do have a succesful remote access VPN.I can asdm in to asa from home using its public interface.  also my local pc has the same private i...

I am at a loss, I am trying to install the VPN client on a 2003 Enterprise x64 server and when I try any of the following installation clients I receive a 1721 error.Here is the list I went throughvpnclient-win-is-4.8.02.0010-k9vpnclient-win-msi-4.8....

can you please help me figure out why I cannot telnet, ssh or asmd into an asa 5505 using its private ip address? I do have a successful remote access vpn established. I am attaching the running config.I can definitely asdm into it via its public ip ...

helloI have several users that are using phones over asa phone proxy (ASA v8.2) and when they make calls from their phone to phones that are not on the proxy, two way audio is established. If a phone proxy user calls the phone of another phone proxy ...