Brocade Network OS Command Reference v4.1.0 - Manual (Page 80)

42 Network OS Command Reference
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area virtual-link (OSPF)
2
area virtual-link (OSPF)
Creates or modifies virtual links for an area.
Synopsis area {A.B.C.D | decimal} virtual-link E.F.G.H [authentication-key {0 | 2 | 255} password]
[dead-interval time] [hello-interval time] [md5-authentication {key-activation-wait-time time |
key-id num key}] [retransmit-interval time] [transmit-delay time]
no area virtual-link
Operands A.B.C.D Area address in dotted decimal format.
decimal Area address in decimal format.
E.F.G.H ID of the OSPF router at the remote end of the virtual link.
authentication-key Sets the password and encryption method. Only one encryption method
can be active on an interface at a time. All OSPF packets transmitted on the
interface contain this password. All OSPF packets received on the interface
are checked for this password. If the password is not present, then the
packet is dropped.
0 Does not encrypt the password you enter.
2 Encrypts the password you enter.
255 Encrypts a plain-text password that you enter.
password OSPF password. The password can be up to eight alphanumeric characters.
dead-interval time How long a neighbor router waits for a hello packet from the current router
before declaring the router down. This value must be the same for all
routers and access servers that are attached to a common network. Valid
values range from 3 through 65535 seconds. The default is 40 seconds.
hello-interval Time between hello packets that the router sends on an interface. The
value must be the same for all routers and access servers that are
attached to a common network. Valid values range from 1 through
65535 seconds. The default is 10 seconds.
md5-authentication Sets either MD5 key-activation wait time or key identifier.
key-activation-wait-time time
Time before a newly configured MD5 authentication key is valid. This
parameter provides a graceful transition from one MD5 key to another
without disturbing the network. All new packets transmitted after the wait
time ends will use the newly configured MD5 Key. OSPF packets that
contain the old MD5 key are accepted for up to five minutes (300 seconds)
after the new MD5 key is in operation. Valid values range from 0
through 14400 seconds. The default is 300 seconds.
key-id num key The num is a number between 1 and 255 which identifies the MD5 key
being used. This parameter is required to differentiate among multiple keys
defined on a router. When MD5 is enabled, the key is an alphanumeric
password of up to 16 characters that is later encrypted and included in
each OSPF packet transmitted. You must enter a password in this field
when the system is configured to operate with either simple or MD5
authentication. By default, the MD5 authentication key is encrypted.