Users Guide
copy running-config startup-config
3 Reload the system.
EXEC Privilege
reload
4 Do one of the following.
• Enable IP+MAC SAV.
INTERFACE mode
ip dhcp source-address-validation ipmac
• Enable IP+MAC SAV with VLAN option.
INTERFACE mode
ip dhcp source-address-validation ipmac vlan vlan-id
Dell Networking OS creates an ACL entry for each IP+MAC address pair and optionally with its VLAN ID in the
binding table and applies it to the interface.
To display the IP+MAC ACL for an interface for the entire system, use the show ip dhcp snooping
source-address-validation [interface] command in EXEC Privilege mode.
Viewing the Number of SAV Dropped Packets
The following output of the show ip dhcp snooping source-address-validation discard-
counters
command displays the number of SAV dropped packets.
Dell>show ip dhcp snooping source-address-validation discard-counters
deny access-list on TenGigabitEthernet 1/1/1
Total cam count 1
deny count (0 packets)
deny access-list on TenGigabitEthernet 1/2/1
Total cam count 2
deny vlan 10 count (0 packets)
deny vlan 20 count (0 packets)
The following output of the show ip dhcp snooping source-address-validation discard-
counters interface
interface command displays the number of SAV dropped packets on a particular
interface.
Dell>show ip dhcp snooping source-address-validation discard-counters interface
TenGigabitEthernet 1/1/1
deny access-list on TenGigabitEthernet 1/1/1
Total cam count 2
deny vlan 10 count (0 packets)
deny vlan 20 count (0 packets)
Dynamic Host Configuration Protocol (DHCP) 328










