Cisco Cisco Packet Data Gateway (PDG)
Crypto Template Configuration Mode Commands
▀ ipv6 mtu
▄ Command Line Interface Reference, StarOS Release 18
3036
ipv6 mtu
Configures the MTU (Maximum Transmission Unit) of the user payload for IPv6 tunnels in bytes.
Product
ePDG
Privilege
Security Administrator
Syntax
ipv6 mtu size
default ipv6 mtu
default
Sets the IPv6 tunnel MTU to its default size of 1422 bytes.
size
Specifies the IPv6 tunnel MTU in bytes as an integer from 1280 through 2048.
Usage
Use this command to increase the MTU size of a packet to accommodate IPSec headers added to a packet and
thus avoid sending an ICMP Fragmentation Needed packet.
thus avoid sending an ICMP Fragmentation Needed packet.
Example
The following command sets the MTU size to 1800:
ipv6 mtu 1800