Network

Basic Cisco ASA troubleshooting Commands

1. Use the “show switch vlan” to view the vlans that have been assigned to Layer 2 switch ports.
TestASA(config)# show switch vlan
VLAN                                 Name                            Status                              Ports
—- ——————————– ——— —————————–
1                                          inside                            up                              Et0/1, Et0/2, Et0/3, Et0/4
Et0/5, Et0/6, Et0/7
2                                        outside                          down                             Et0/0
TestASA(config)#

2. used the “show int ip brief” to view the configured interfaces
TestASA(config)# show int ip brief
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 unassigned YES unset down down
Ethernet0/1 unassigned YES unset up up

Note: On a Cisco switch its “show ip interface brief”

3. use the “show ip add” command to view the configured IP address of the interfaces and vlans
TestASA(config)# show ip add
System IP Addresses:
Interface Name IP address Subnet mask Method
Vlan1 inside 192.1xx.1xx.xx 255.xxx.xxx.0 CONFIG
Current IP Addresses:
Interface Name IP address Subnet mask Method
Vlan1 inside 192.1xx.1xx.xx 255.xxx.xxx.0 CONFIG

4. To display the configured http server if configured “show run http
TestASA(config-if)# show run http
http server enable
http 192.168.176.0 255.255.240.0 inside

5. To display the configured Telnet connection “show run telnet
TestASA(config)# show run telnet
telnet 192.168.176.0 255.255.240.0 inside
telnet timeout 1000

6. To display the configured ssh connection “show run ssh
TestASA(config)# show run ssh
ssh stricthostkeycheck
ssh 192.168.176.0 255.255.240.0 inside
ssh timeout 10
TestASA(config)#

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