Configuring Ospf Authentication; Adding Interface Mtu Into Dd Packets - 3Com MSR 50 Series Configuration Manual

950 C 58: OSPF C
HAPTER
n
Configuring OSPF
Authentication
n
Adding Interface MTU
into DD Packets
ONFIGURATION
To do...
Enter OSPF view
Configure the router as a stub
router
A stub router has nothing to do with a stub area.
By supporting packet authentication, OSPF receives packets that pass the
authentication only, so failed packets cannot establish neighboring relationship.
Follow these steps to configure OSPF authentication:
To do...
Enter system view
Enter OSPF view
Enter area view
Configure the authentication
mode
Exit to OSPF view
Exit to system view
Enter interface view
Configure the authentication
mode (simple authentication)
for the interface
Configure the authentication
mode (MD5 authentication)
for the interface
The authentication mode and password for all interfaces attached to the same
area must be identical.
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...
Enter system view
Enter interface view
Use the command...
ospf [ process-id | router-id
router-id | vpn-instance
instance-name ] *
stub-router
Use the command...
system-view
ospf [ process-id | router-id
router-id | vpn-instance
instance-name ] *
area area-id
authentication-mode { simple
| md5 }
quit
quit
interface interface-type
interface-number
ospf authentication-mode
simple [ plain | cipher ]
password
ospf authentication-mode
{ md5 | hmac-md5 } key-id
[ plain | cipher ] password
Use the command...
system-view
interface interface-type
interface-number
Remarks
-
Required
Not configured by default
Remarks
-
-
-
Required
Not configured by default
-
-
-
Optional
Not configured by default
Remarks
-
-