VN/UN564:1VN/UN5674
LgvUvtgco" N4" Ocpcigf" Uykvej" ENK" Iwkfg
55
string
—— Enter the sub-option Circuit ID, which contains 32 characters at
most.
Eqoocpf"Oqfg"
Global Configuration Mode
Gzcorng"
Enable and configure the customized sub-option Circuit ID for the Option 82 as
“tplink”:
VN/UN564:*%kr"fjer"upqqrkpi"kphqtocvkqp"ektewkv/kf"
tplink
kr"fjer"upqqrkpi"vtwuv"
Fguetkrvkqp"
The
" kr" fjer" upqqrkpi" vtwuv
command is used to configure a port to be a
Trusted Port. Only the Trusted Port can receive the DHCP packets from DHCP
servers. To turn the port back to a distrusted port, please use
pq" kr" fjer"
upqqrkpi"vtwuv
command.
U{pvcz"
kr"fjer"upqqrkpi"vtwuv"
pq"kr"fjer"upqqrkpi"vtwuv"
Eqoocpf"Oqfg"
Interface Configuration Mode (interface fastEthernet / interface range
fastEthernet / interface gigabitEthernet / interface range gigabitEthernet)
Gzcorng"
Configure the Fast Ethernet port 2 to be a Trusted Port:
VN/UN564:*%kpvgthceg"hcuvGvjgtpgv"
1/0/2
"
VN/UN564:*eqphki/kh+%kr"fjer"upqqrkpi"vtwuv
kr"fjer"upqqrkpi"oce/xgtkh{"
Fguetkrvkqp"
The
kr"fjer"upqqrkpi"oce/xgtkh{
command is used to enable the MAC Verify
feature. To disable the MAC Verify feature, please use
pq" kr"fjer" upqqrkpi"
oce/xgtkh{
command. There are two fields of the DHCP packet containing the