Table of Contents
Advertisement
（1）Configure OSPF packet sending mechanism parameters
1）Configure OSPF packet verification
2）Set the OSPF interface to receive only
3）Configure the cost for sending packets from the interfac e
Interface Configuration Mode
ip ospf authentication
{ message-digest | null}
no ip ospf authentication
ip ospf authentication-key LINE
no ip ospf authentication-key
[no] pa ssive-interface {IFNAME |
ethernet IFNAME | Vlan <ID>}
ip ospf cost <cost >
no ip ospf cost
4）Configure OSPF packet sending timer parameter (timer of broadcast interface sending HELLO packet to
poll, timer of neighboring layer3 switch invalid timeout, timer of LSA transmission delay and timer of LSA
retransmission.
Interface Configuration Mode
ip ospf hello-interval <time>
no ip ospf hello-interval
ip ospf dead-interval <time >
no ip ospf dead-interval
ip ospf transit-delay <time>
no ip ospf transit-delay
ip ospf retransmit <time>
no ip ospf retransmit
Command
Command
Explanation
Configures the authentication method by the
interface to accept OSPF packets; the no ip
ospf authentication command restores the
default settings.
Configure the key of the authentication process
of OSPF
data
packets
interfaces; the no action of this command
restores the default settings.
Sets an interfac e to receive only, the no
passive-interface
IFNAME | Vlan <ID>} command cancels this
configuration.
Sets the cost for running OSPF on t he interface;
the "no ip ospf cost" command restores the
default setting.
Explanation
Sets interval for sending HELLO packets; the
"no ip ospf hello-interval" command restores
the default setting.
Sets the interval before regarding a neighbor
layer3
switch
invalid;
dead-interval" command restores the default
setting.
Sets the delay time before sending link-state
broadcast; the "no ip ospf transmit-delay"
command restores the default setting.
Sets the interval for retransmission of link-state
advertisement among neighbor layer3 switches;
the "no ip ospf retransmit" command restores
the default setting.
37-5
receiving
for
{IFNAME
|
ethernet
the
"no
ip
the
ospf
Advertisement
Table of Contents
Troubleshooting
