3Com Switch 8800 Advanced Software V5 Configuration Guide

Configuring OSPF Network Optimization 335
n
The authentication mode and password for all interfaces attached to the same
area must be identical.
Adding Interface MTU
into DD Packets
Generally, when an interface sends a DD packet, it adds 0 into the Interface MTU
field of the DD packet rather than the interface MTU. To add the interface MTU
into DD packets, use the following commands:
Configuring the
Maximum Number of
External LSAs in LSDB
To configure the maximum number of external LSAs in the Link State Database,
use the following commands:
Making External Route
Selection Rules Defined
in RFC1583 Compatible
The selection of an external route from multiple LSAs defined in RFC2328 is
different from the one defined in RFC1583.
To make them compatible, use the following commands:
Enter interface view interface interface-type
interface-number
-
Configure the authentication
mode (simple authentication)
for the interface
ospf authentication-mode
simple [ plain | cipher ]
password
Optional
Not configured by default
Configure the authentication
mode (MD5 authentication)
for the interface
ospf authentication-mode {
md5 | hmac-md5 } key-id [
plain | cipher ] password
To do... Use the command... Remarks
To do... Use the command... Remarks
Enter system view system-view -
Enter interface view interface interface-type
interface-number
-
Enable OSPF to add interface
MTU into DD packets
ospf mtu-enable Optional
Not enabled by default, that is,
the interface fills in a value of 0
To do... Use the command... Remarks
Enter system view system-view -
Enter OSPF view ospf [ process-id | router-id
router-id | vpn-instance
instance-name ] *
-
Specify the maximum
number of external LSAs in
the LSDB
lsdb-overflow-limit number Optional
No limitation by default
To do... Use the command... Remarks
Enter system view system-view -
Enter OSPF view ospf [ process-id | router-id
router-id | vpn-instance
instance-name ] *
Required
Make RFC1583 compatible rfc1583 compatible Optional
Compatible by default