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Configuring ospf authentication – H3C Technologies H3C S12500-X Series Switches User Manual

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Step Command

Remarks

2.

Enter OSPF view.

ospf [ process-id | router-id router-id |
vpn-instance vpn-instance-name ] *

N/A

3.

Configure the router as a
stub router.

stub-router [ external-lsa
[ max-metric-value ] | include-stub |
on-startup { seconds | wait-for-bgp

[ seconds ] } | summary-lsa

[ max-metric-value ] ] *

By default, the router is not
configured as a stub router.
A stub router has no associations
with a stub area.

215B

Configuring OSPF authentication

Perform this task to configure OSPF area and interface authentication.
OSPF adds the configured password into sent packets, and uses the password to authenticate received

packets. Only packets that pass the authentication can be received. If a packet fails the authentication,
the OSPF neighbor relationship cannot be established.
If you configure OSPF authentication for both an area and an interface in that area, the interface uses the

OSPF authentication configured on it.

495B

Configuring OSPF area authentication

You must configure the same authentication mode and password on all the routers in an area.
To configure OSPF area authentication:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter OSPF view.

ospf [ process-id | router-id router-id |
vpn-instance vpn-instance-name ] *

N/A

3.

Enter area view.

area area-id N/A

4.

Configure area authentication
mode.

Configure MD5 authentication:
authentication-mode { hmac-md5 |

md5 } key-id { cipher | plain } password

Configure simple authentication:

authentication-mode simple { cipher |

plain } password

Use either method.
By default, no
authentication is

configured.

496B

Configuring OSPF interface authentication

You must configure the same authentication mode and password on both the local interface and its peer
interface.
To configure OSPF interface authentication:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter interface view.

interface interface-type interface-number N/A

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