Version Description
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the C-Series and S-Series.
Usage
Information When enabled, no learning takes place until you enable snooping on a VLAN. After
disabling DHCP Snooping, the binding table is deleted and Option 82, IP Source
Guard, and Dynamic ARP Inspection are disabled.
Related
Commands ip dhcp snooping vlan — enables DHCP Snooping on one or more VLANs.
ip dhcp snooping binding
Create a static entry in the DHCP binding table.
Z9500
Syntax [no] ip dhcp snooping binding mac address vlan-id vlan-id ip
ip-address interface type slot/port lease number
Parameters mac address Enter the keyword mac then the MAC address of the host to
which the server is leasing the IP address.
vlan-id vlan-id Enter the keywords vlan-id then the VLAN to which the
host belongs. The range is from 2 to 4094.
ip ip-address Enter the keyword ip then the IP address that the server is
leasing.
interface type Enter the keyword interface then the type of interface to
which the host is connected.
• For a 10-Gigabit Ethernet interface, enter the keyword
tengigabitethernet.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE.
slot/port Enter the slot and port number of the interface.
lease time Enter the keyword lease then the amount of time the IP
address is leased. The range is from 1 to 4294967295.
Defaults none
1678 Security