Configuring Fragmentation; Overview Of Fragmentation - Avaya G250 Administration

Use the router vrrp command to enable VRRP routing. Use the no form of this
●
command to disable VRRP routing.
Use the show ip vrrp command to display VRRP information.
●

Configuring fragmentation

This section provides information about configuring fragmentation on the G250/G350 router and
contains the following topics:

Overview of fragmentation

●
G350 router
Reassembly parameters
●
configure
Fragmentation commands
●
fragmentation
Overview of fragmentation
The G250/G350 supports IP fragmentation and reassembly. The G250/G350 router can
fragment and reassemble IP packets according to RFC 791. This feature allows the router to
send and receive large IP packets where the underlying data link protocol constrains the
Maximum Transport Unit (MTU).
IP fragmentation involves breaking a datagram into a number of pieces that can be
reassembled later. The IP source, destination, identification, total length, and fragment offset
fields, along with the more fragment and don't fragment flags in the IP header, are used for IP
fragmentation and reassembly.
IP fragmentation works as follows:
Each IP packet is divided into fragments.
●
Each fragment becomes its own IP packet.
●
Each packet has same identifier, source, and destination address.
●
Fragments are usually not reassembled until final destination. The G250/G350 supports
fragmentation of IP packets according to RFC 791, and reassembly of IP packets destined only
to its interfaces.
— an overview of fragmentation and reassembly on the G250/
— a description of the fragmentation parameters you can
— a list and descriptions of CLI commands used to configure
Configuring fragmentation
Issue 1.1 June 2005 355