Reference Guide

206 | Access Control Lists (ACL)
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deny arp
e
Configure an egress filter that drops ARP packets on egress ACL supported line
cards (refer to your line card documentation).
Syntax
deny arp {destination-mac-address mac-address-mask | any} vlan vlan-id {ip-address | any
|
opcode code-number} [count [byte] | log] [order] [monitor]
To remove this filter, use one of the following:
• Use the
no seq sequence-number command syntax if you know the filter’s
sequence number or
• Use the
no deny arp {destination-mac-address mac-address-mask | any} vlan vlan-id
{
ip-address | any | opcode code-number} command.
Parameters
deny udp Assign a filter to deny UDP packets.
ip access-list extended Create an extended ACL.
destination-mac-addres
s mac-address-mask
Enter a MAC address and mask in the nn:nn:nn:nn:nn format.
For the MAC address mask, specify which bits in the MAC address must
match.
The MAC ACL supports an inverse mask, therefore, a mask of
ff:ff:ff:ff:ff:ff allows entries that do not match and a mask of
00:00:00:00:00:00 only allows entries that match exactly.
any Enter the keyword any to match and drop any ARP traffic on the
interface.
vlan vlan-id Enter the keyword vlan followed by the VLAN ID to filter traffic
associated with a specific VLAN.
Range: 1 to 4094, 1-2094 for ExaScale (can used IDs 1-4094)
To filter all VLAN traffic specify VLAN 1.
ip-address Enter an IP address in dotted decimal format (A.B.C.D) as the target IP
address of the ARP.
opcode code-number Enter the keyword opcode followed by the number of the ARP opcode.
Range: 1 to 23.
count (OPTIONAL) Enter the keyword count to count packets processed by
the filter.
byte (OPTIONAL) Enter the keyword byte to count bytes processed by the
filter.
log (OPTIONAL, E-Series only) Enter the keyword log to have the
information kept in an ACL log file.