Administrator Guide
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.
• C1048P (port extender) 1 Gigabit Ethernet interfaces use the following command syntax:
interface peGigE pe-id/pe-stack—unit-id/port-number
where pe-id is a port-extender ID number from 0 to 255
pe-stack-unit-id is a PE stack-unit number from 0 to 7
Example of the show arp Command
These entries do not age and can only be removed manually. To remove a static ARP entry, use the no arp ip-address command.
To view the static entries in the ARP cache, use the show arp static command in EXEC privilege mode.
Dell#show arp
Protocol Address Age(min) Hardware Address Interface VLAN CPU
--------------------------------------------------------------------------------
Internet 10.1.2.4 17 08:00:20:b7:bd:32 Ma 1/0 - CP
Dell#
Conguring ARP Inspection Trust
Use the arp-inspection-trust command to specify a port or an interface as trusted so that ARP frames are not validated against
the binding table. By default, this feature is disabled.
• Enable ARP learning via gratuitous ARP.
INTERFACE Mode
INTERFACE PORT-CHANNEL Mode
INTERFACE PORT EXTENDER Mode
arp-inpsecton-trust
Dell(conf)#int peGigE 0/0/0
Dell(conf-if-pegi-0/0/0)# arp-inpsection-trust
Conguring ARP Timeout
Use the arp backoff-timer command for setting the exponential timer for resending unresolved ARPs.
• Set the exponential timer for resending unresolved ARPs.
CONFIGURATION Mode
arp backoff-time seconds / minutes
Enter the number of seconds an ARP entry is black-holed. The range is from 1 to 3600. The default is 30 minutes.
Enter the number of minutes an ARP entry is balck-holed. The range is from 0 to 35790. The default is 4 hours.
Dell(conf)#arp backoff-time minutes
IPv4 Routing
483