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.
◦ For a port extender (PE) Gigabit Ethernet interface, enter the keyword peGigE then the pe-id/stack-unit /port-id information.
The pe-id is a port-extender ID number from 0 to 255; the stack-unit unit-number is from 0 to 7; and the port-id range is from 1
to 48.
◦
For a port extender 10-Gigabit Ethernet interface, enter the keyword peTenGigE then the pe-id / stack-unit / port-id
information. The pe-id range is from 0 to 255; the stack-unit unit-number range is from 0 to 7; and the port-id range is 25 to 28
or 49 to 52 depending on the PE.
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
493