In a highly critical environment, we strongly recommend to setup Cisco ASAs in high availability mode. This way, if the Active ASA unit fails, the Standby unit takes over the role and becomes Active....
On every purchase of ASA firewall, Cisco ships product authorization key known as PAK in printed format along with delivery. The steps remain same irrespective of ASA license feature. 1.Login to Cisco registration portal...
Even though, IPSec VPN is successfully established between 2 ends of your network, you can’t ping ASA inside over IPSec VPN from the other end. Basically, you cannot remotely manage Cisco ASA through the...
In this guide, we are configuring IKEV1 VPN between Cisco ASA and Paloalto firewall. This is applicable to all models of Cisco and PA firewalls. Configure Cisco ASA: 1) Phase 1: IKE policy ciscoasa(config)#...
Copy IOS image to standby Cisco ASA unit, for example in order to copy asa942-6-smp-k8.bin from tftp server (10.10.10.10) to Standby ASA disk0, execute following command asa/pri/act#failover exec mate copy /noconfirm tftp://10.10.10.10/asa942-6-smp-k8.bin disk0:/asa942-6-smp-k8.bin Here...
In order to execute Cisco ASA commands on Standby unit, use failover exec as prefix. failover exec is used to execute commands on a specific unit in a failover pair, the syntax is failover...
Before you proceed with configuration, ensure that Source FirePower (SFR) service is up and running on your ASA ASA# sh module Mod Card Type Model Serial No. —- ——————————————– —————— ———– 1 ASA 5506-X...
We had an issue in SSH to Cisco ASA firewall that was recently purchased and setup in network. While troubleshooting further, we could see some error logs in ASDM as SSH session from 192.168.109.77 on...
Error: Deny inbound UDP from 192.168.109.77 to 8.8.8.8/53 due to DNS query This problem occurs when you have configured 2 or more interfaces of Cisco ASA with same security-level. In such case, you need to configure and...
Out of the box Cisco ASA firewall doesn’t permit ICMP traffic, that means the firewall permits ping traffic out but it won’t let the reply traffic to come inside. The solution is to add “inspection icmp” to global policy...
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