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How to Enable/Disable Gratuitous-ARP on VOSS

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TitleHow to Enable/Disable Gratuitous-ARP on VOSS
Objective
How to Enable/Disable Gratutious-ARP on VOSS Platforms.
Environment
  • All VOSS Platforms
  • VSP 9000 Series
Procedure
For All VOSS Platforms, GARP is supported and enabled by default. 
#show ip routing
IP Forwarding is enabled
IP ECMP feature is disabled
Maximum ECMP paths number is 1
ECMP 1 pathlist :
ECMP 2 pathlist :
ECMP 3 pathlist :
ECMP 4 pathlist :
ECMP 5 pathlist :
ECMP 6 pathlist :
ECMP 7 pathlist :
ECMP 8 pathlist :
Gratuitous-Arp  :  enable 
IP Alternative Route feature is enabled
IP More Specific Non Local Route feature is disabled
To Enable or disable GARP on VOSS, below is the command.
#default ip gratuitous-arp ------------- To  Default the GARP  settings
#ip gratuitous-arp         ------------- Enable GARP on VOSS at global level
#no ip gratuitous-arp      ------------- Disable GARP on VOSS at global level
Additional notes
On all VOSS platforms , Gratuitous Address Resolution Protocol (GARP) is enabled on global level. When Gratuitous ARP feature is enabled, the switch allows all Gratuitous ARP requests. If you disable Gratuitous ARP, the switch only allows Gratuitous ARP packets associated with Routed Split Multi-Link Trunking (RSMLT) or Virtual Router Redundancy Protocol (VRRP), and the switch discards all other Gratuitous ARP request packets.

Note: VSP 9000 does not support GARP feature. It only allows Gratuitous ARP packets associated with Routed Split Multi-Link Trunking (RSMLT) or Virtual Router Redundancy Protocol (VRRP). 

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