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nat-refresh-interval

vpn 0 interface tunnel-interface nat-refresh-interval—Configure the interval between NAT refresh packets sent on a DTLS or TLS WAN transport connection. This interval is how often a tunnel interface sends a refresh packet to maintain the UDP packet streams that traverse a NAT.

vManage Feature Template

For all Viptela devices:

Configuration ► Templates ► VPN Interface Cellular (for vEdge cellular wireless routers only)
Configuration ► Templates ► VPN Interface Ethernet
Configuration ► Templates ► VPN Interface PPP

Command Hierarchy

vpn 0
  interface interface-name
    tunnel-interface
      nat-refresh-interval seconds

Options

NAT Refresh Interval
seconds
Interval between NAT refresh packets sent on a DTLS or TLS WAN tunnel connection. These packets are sent to maintain the UDP packet streams that traverse a NAT between the device and the Internet or other public network. You might want to increase the interval on interfaces where you are charged for bandwidth, such as LTE interfaces.
Range: 1 through 60 seconds
Default: 5 seconds

Operational Commands

show running-config

Example

Change the NAT refresh interval to 30 seconds:

vEdge# show running-config vpn 0 interface ge0/2 tunnel-interface 
vpn 0
 interface ge0/2
  tunnel-interface
   encapsulation ipsec
   color lte
   nat-refresh-interval 30
   no allow-service bgp
   allow-service dhcp
   allow-service dns
   allow-service icmp
   no allow-service sshd
   no allow-service netconf
   no allow-service ntp
   no allow-service ospf
   no allow-service stun
  !
 !
!

Release Information

Command introduced in Viptela Software Release 16.1.1.​

Additional Information

See the Configuring Interfaces article for your software release.

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