Networking Administration
Switching
3Com
Choosing which firmware to boot
verifying current versions:
> show version
setting next-active to the backup (before update) one:
> boot system backup
setting next-active to the active (most recent) one:
> boot system active
Reset to defaults:
Cisco
ACLs
Adding ACL example
360 permit tcp any 10.3.4.102 0.0.0.0 eq 8000
Removing last ACL
no 360
Global features
Filtering output
"COMMAND | i" or "COMMAND | include" will filter command output
example:
"switch1#show running-config | i trunk"
"switch1#show running-config | include trunk"
Trunk between Cisco and Linux
Cisco configuration
interface GigabitEthernet0/11
switchport trunk allowed vlan 200,231
switchport mode trunk
switchport voice vlan 280
spanning-tree portfast
end
Kali Linux configuration
/etc/networking/interfaces
interface GigabitEthernet0/11
switchport trunk allowed vlan 200,231
switchport mode trunk
switchport voice vlan 280
spanning-tree portfast
end
Kali Linux configuration