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Viptela Documentation

clear-dont-fragment

vpn interface clear-dont-fragment—Clear the Don't Fragment (DF) bit in the IPv4 packet header for packets being transmitted out the interface (on vEdge routers only). When the DF bit is cleared, packets larger than that interface's MTU are fragmented before being sent.

By default, the clearing of the DF bit is disabled.

vManage Feature Template

For vEdge routers only:

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

Command Hierarchy

vpn vpn-id
  interface interface-name    
    clear-dont-fragment

Options

None

Operational Commands

show interface detail

Example

Clear the DF bit in IPv4 packets being sent out an interface:

vpn 0
​  interface ge0/0
    clear-dont-fragment

Release Information

Command introduced in Viptela Software Release 14.1.​

Additional Information

See the Segmentation CLI Reference article for your software release.
​mtu
pmtu

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