Day: February 21, 2017
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Internet Access Firewall Cisco ASA
In this tutorial, I am going to show how you can setup the Cisco ASA to allow internet access to the LAN behind. Our lab topology would like as following: Configure the Un-trusted and Trusted network as following: ! interface GigabitEthernet0/0 speed 100 duplex full nameif outside security-level 0 ip address 172.16.1.3 255.255.255.248 ! interface…
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Cisco ASA Delete and Create Context
Login to Firewall as an administrator. You will land into the admin context. You need to go back to the system context to make changes. conf t changeto system ! ! Now you are in system context, you need to delete the context as following: ! no context mycontext-100 delete disk:/mycontext-100.cfg ! Then recover/delete the assigned…
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Configure Cisco Active/Standby Failover
This is very simple to configure but in production environment, secure a maintenance window, take configuration back and verify the patching before hand. Following steps involved: 1. Setup failover interface on Primary ASA Execute the following commands to mark the port 0/3 as failover lan unit primary. This is the interface between Primary & Secondary…
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Cisco ASA Licence upgrade
Check for the existing licences on your Firewall: #show ver . . Licensed features for this platform: Maximum Physical Interfaces : Unlimited perpetual Maximum VLANs : 50 perpetual Inside Hosts : Unlimited perpetual Failover : Disabled perpetual Encryption-DES : Enabled perpetual Encryption-3DES-AES : Enabled perpetual Security Contexts : 0 perpetual GTP/GPRS : Disabled perpetual AnyConnect…
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