pixfirewall(config)# show nameif
nameif ethernet0 outside security0
nameif ethernet1 inside security100

pixfirewall(config)# nameif ethernet0 WAN security0
pixfirewall(config)# nameif ethernet1 LAN security99

pixfirewall(config)# show nameif
nameif ethernet0 WAN security0
nameif ethernet1 LAN security99

ако пробваме

pixfirewall(config)# nameif ethernet1 LAN security100

ще видим следната грешка:

security 100 is reserved for the “inside” interface