3Com S7906E - Switch, Configuration Manual

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To configure OSPF authentication, you need to configure the same area authentication mode on all the
routers in the area. In addition, the authentication mode and password for all interfaces attached to the
same area must be identical.
Follow these steps to configure OSPF authentication:
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 ] *
—
Enter area view area area-id
—
Configure the authentication
mode
authentication-mode { md5 | simple }
Required
Not configured by
default.
Exit to OSPF view
quit
—
Exit to system view quit
—
Enter interface view
interface interface-type
interface-number
—
Configure the authentication
mode (simple authentication)
for the interface
ospf authentication-mode simple
[ cipher | plain ] password
Configure the authentication
mode (MD5 authentication) for
the interface ospf authentication-mode
{ hmac-md5 | md5 } key-id [ cipher |
plain ] password
Either is required.
Not configured by
default.
Adding the 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.
Follow these steps to add the interface MTU into DD packets:
To do… Use the command… Remarks
Enter system view system-view
—
Enter interface view
interface interface-type
interface-number
—
Enable OSPF to add the
interface MTU into DD packets
ospf mtu-enable
Optional
Not enabled by default; that is,
the interface fills in a value of 0.
Configuring the Maximum Number of External LSAs in LSDB
Follow these steps to configure the maximum number of external LSAs in the Link State Database: