H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 3 OSPF Configuration
3-38
To do… Use the command… Remarks
Enter system view
system-view
—
Enter OSPF view
ospf [ process-id | router-id
router-id ] *
—
Enter area view
area area-id
—
Configure the authentication
mode
authentication-mode
{ simple | md5 }
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 [ plain | cipher ]
password
Configure the authentication
mode (MD5 authentication)
for the interface
ospf authentication-mode
{ md5 | hmac-md5 } key-id
[ plain | cipher ] password
Optional
Not configured by
default
 Note:
The authentication mode and password for all interfaces attached to the same area
must be identical.
3.7.10 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.