Cisco ASA Basic Troubleshooting Commands
In this video, I will show you a collection of the basic commands that you have to know or you will not be able to manage your Cisco ASA device.
so we will see commands to:
- Check the basic settings and firewall states
- Check the system status:
To see the actual software version, operational mode, HA, etc and the system time.
- Check the hardware performance:
To see what is the state of the cpu and the memory
- Check the session table of the firewall:
The values from the session table of the firewall
You can filter to the session that you looking for
- Check the interface settings:
Check the traffic on interfaces, the packet and byte counters.
Show the running config only for the interfaces with ip address
Show ip address and security level
- Check the state, speed and duplexity an IP of the interfaces:
Here you can see following in the output
Interface name
MAC
Link state
Speed
Duplex
MTU
Packet and Byte counters
Errors
- Check the ARP Table:
This contains the permanent and the dynamic ARP entries
- Check the Routing Table:
With the show route you can see the actual routing table from the firewall with the statis and the dynamic routes and the directly connected networks.
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