Use this command to assign a password to be used by neighboring routers using OSPF‘s simple password authentication.
| password | Specifies an OSPF authentication password. Valid values are alphanumeric strings up to 8 bytes in length. |
None.
Configuration command, Interface configuration.
All neighboring routers on the same network must have the same password configured to be able to exchange OSPF information.
This password is used as a “key” that is inserted directly into the OSPF header in routing protocol packets. A separate password can be assigned to each OSPF network on a per-interface basis.
The “no” form of this command removes an OSPF authentication password on an interface.
This example shows how to enable an OSPF authentication key on VLAN 1 with the password “yourpass”:
System(rw-config)->interface vlan 1 System(rw-config-intf-vlan.0.1)->ip ospf authentication-key yourpass
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