Configuring An Interval Required For Sending Lsu Packets; Configuring The Cost For Sending Packets On An Interface; Configuring To Fill The Mtu Field When An Interface Transmits Dd Packets - 3Com 8800 Configuration Manual

3Com Switch 8800 Configuration Guide

19.2.14 Configuring an Interval Required for Sending LSU Packets

Trans-delay seconds should be added to the aging time of the LSA in an LSU packet.
Setting the parameter like this mainly considers the time duration that the interface
requires for transmitting a packet.
The user can configure the interval of sending LSU message. Obviously, more attention
should be paid to this item over low speed networks.
Perform the following configuration in interface view.
Table 19-20 Configure an interval required for sending LSU packets
Configure an interval for sending LSU packets
Restore the default interval for sending LSU
packets
By default, the LSU packets are transmitted per second.

19.2.15 Configuring the Cost for Sending Packets on an Interface

The user can control the network traffic by configuring different packet sending costs for
different interfaces.
Perform the following configuration in interface view.
Table 19-21 Configure the cost for sending packets on an interface
Configure the cost for sending packets on an interface
Restore the default cost for packet transmission on the
interface
For the Switch 8800, the default cost for running OSPF on the VLAN interface is 10.
19.2.16 Configuring to Fill the MTU Field When an Interface Transmits DD
Packets
OSPF-running routers use Database Description (DD) packets to describe their own
LSDBs during LSDB synchronization.
You can manually specify an interface to fill in the MTU field in a DD packet when it
transmits the packet. The MTU should be set to the real MTU on the interface.
Perform the following configuration in interface view.
Operation
Operation
19-20
Chapter 19 OSPF Configuration
Command
ospf trans-delay seconds
undo ospf trans-delay
Command
ospf cost value
undo ospf cost