Network Security

Dear all,I post here a discussion because after many hours to troubleshoot on this issue, I have still no found how to do it so solve my issue.Few days ago, I upgrade my CISCO 5505 to 9.2 version and 7.2 asdm version. Since, this upgrade, my VPN tunn...

Hi Guys, need your help. I have a newly purchased Cisco5510 and I am configuring it as usual from the other high end ASA. But from this ASA, I cannot create a subinterface and cannot configure nameif from the main interface. Is it really a behaviour ...

Guys we have an ASA 5505 which is running 8.2 code we have three vlans 1, 2, 3 vlan 1 is insidevlan 3 is connected to another office  vlan is 172.168.1.1 (same owners) and we have few servers there which are 192.168.1.0/24 (server farm) vlan 1 is 10....

My ISP (Zen) has given me a block of 8 ip's but i need to connect via PPPoE. The ASA 5505 only allows me to put the static in as a /32 instead of a /29.Has anybody configured an ASA with a block of 8 ip's using PPPoE before? regards,louis

Hi,We connect to ASA 5510 using PUTTY  ssh connection. From ASA privilege mode we take access of IPS sensor module using session 1.We logged all session outputs on PUTTY to file and gave #show tech on sensor prompt.After a while PUTTY hangs and displ...

I need to connect 1 interface to mpls not nat-ed (Vlan2) and 1 connection to internet nat-ed (Vlan3).  So all traffic out vlan 3 except for private network over mpls. ASA Version 9.0(3)!hostname X.X.X.Xdomain-name X.X.X.Xenable password XXXXXXXX encr...

I have an interesting question.  We are going to try and run equal-cost multi-pathing through a transparent firewall.  There will be two routers on one side and two on the other running eigrp between them.  The question is, if a packet leaves one por...

I have a intermittence problem with my ASA 5540. When testing connectivity to the servers directly connected me respond randomly.I have reviewed the ARP tables, finding no problems. I did a debug ARP and I throw the following errors: arp-req: request...

Hi I would like to know whether we can configure Same Vlan and assign to multiple physical ports in Cisco ASA 5525X series firewalls. The interfaces are connected to same subnet. These are directly connected to servers in DMZ and no switches in betwe...

Hello,I have a ASA 5520 and will need to create a trunk to a 3750 from the one of the ASA's gigabit ports, this will allow me to create sub-interfaces on the ASA and use multiple VLAN's on the switch.  For the trunk do I need to use a crossover or st...

So, is there a solution for having multicast enable and also have ASA in multiple context mode?