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Usage guidelines
Static IPv4SG bindings on an interface implement the following functions:
•
Filter incoming IPv4 packets on the interface.
•
Check user validity by cooperating with the ARP attack detection feature.
You cannot configure static IPv4SG bindings on a service loopback interface.
Examples
# Configure a static IPv4SG binding on Ten-GigabitEthernet 1/0/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 1/0/1
[Sysname-Ten-GigabitEthernet1/0/1] ip source binding ip-address 192.168.0.1 mac-address
0001-0001-0001
Related commands
display ip source binding
ip source binding
(system view)
ip source binding (system view)
Use
ip source binding
to configure a global static IPv4SG binding.
Use
undo ip source binding
to delete one or all global static IPv4SG bindings.
Syntax
ip
source
binding
ip-address
ip-address
mac-address mac-address
undo
ip
source
binding
{
all
|
ip-address ip-address mac-address mac-address
}
Default
No global static IPv4SG bindings exist.
Views
System view
Predefined user roles
network-admin
mdc-admin
Parameters
ip-address
ip-address
: Specifies the IPv4 address for the static binding. The IPv4 address must be
a class A, B, or C address, and cannot be 127.x.x.x or 0.0.0.0.
mac-address
mac-address
: Specifies the MAC address for the static binding. The MAC address is
in the format H-H-H but cannot be all 0s, all Fs (a broadcast MAC address), or a multicast MAC
address.
all
: Removes all global static IPv4SG bindings.
Usage guidelines
A global static IPv4SG binding takes effect on all interfaces.
Examples
# Configure a global static IPv4SG binding.
<Sysname> system-view
[Sysname] ip source binding ip-address 192.168.0.1 mac-address 0001-0001-0001
