VigorSwitch G2240 User’s Guide
96
2
2
.
.
9
9
I
I
P
P
M
M
A
A
C
C
B
B
i
i
n
n
d
d
i
i
n
n
g
g
2
2
.
.
9
9
.
.
1
1
I
I
P
P
M
M
A
A
C
C
B
B
i
i
n
n
d
d
i
i
n
n
g
g
C
C
o
o
n
n
f
f
i
i
g
g
u
u
r
r
a
a
t
t
i
i
o
o
n
n
The IP network layer uses a four-byte address. The Ethernet link layer uses a six-byte
MAC address. Binding these two address types together allows the transmission of data
between the layers. The primary purpose of IP-MAC binding is to restrict the access to a
switch to a number of authorized users. Only the authorized client can access the Switch’s
port by checking the pair of IP-MAC
Addresses and port number with the pre-configured database. If an unauthorized user tries
to access an IP-MAC binding enabled port, the system will block the access by dropping its
packet.
Function name:
IP MAC Binding Configuration
Function description:
The maximum number of IP-MAC binding table is 64 entries.
Parameter description:
State:
Disabled / Enabled
Trust Port:
If DHCP snooping is enabled globally and enabled on the
VLAN where the DHCP packet is received, all DHCP
packets are forwarded for a trusted port. The available ports
are from 0 to 24.
MAC:
Six-byte MAC Address: xx-xx-xx-xx-xx-xx
For example: 00-40-c7-00-00-01
IP: Four-byte
IP
Address: xxx.xxx.xxx.xxx
For example: 192.168.1.100
Port No:
Port no.: 1-24
VID:
VLAN ID: 1-4094