Ip arp inspection filter – Microsens MS453490M Management Guide User Manual
Page 675
C
HAPTER
25
| General Security Measures
ARP Inspection
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ip arp inspection
filter
This command specifies an ARP ACL to apply to one or more VLANs. Use
the no form to remove an ACL binding.
S
YNTAX
ip arp inspection filter arp-acl-name vlan {vlan-id | vlan-range}
[static]
arp-acl-name - Name of an ARP ACL.
(Maximum length: 16 characters)
vlan-id - VLAN ID. (Range: 1-4093)
vlan-range - A consecutive range of VLANs indicated by the use a
hyphen, or a random group of VLANs with each entry separated by
a comma.
static - ARP packets are only validated against the specified ACL,
address bindings in the DHCP snooping database is not checked.
D
EFAULT
S
ETTING
ARP ACLs are not bound to any VLAN
Static mode is not enabled
C
OMMAND
M
ODE
Global Configuration
C
OMMAND
U
SAGE
◆
ARP ACLs are configured with the commands described on
.
◆
If static mode is enabled, the switch compares ARP packets to the
specified ARP ACLs. Packets matching an IP-to-MAC address binding in
a permit or deny rule are processed accordingly. Packets not matching
any of the ACL rules are dropped. Address bindings in the DHCP
snooping database are not checked.
◆
If static mode is not enabled, packets are first validated against the
specified ARP ACL. Packets matching a deny rule are dropped. All
remaining packets are validated against the address bindings in the
DHCP snooping database.
E
XAMPLE
Console(config)#ip arp inspection filter sales vlan 1
Console(config)#