T3700G-28TQ
 
JetStream 28-Port Gigabit Stackable L3 Managed Switch CLI Guide 
 
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ip ospf dead-interval 
Description 
The ip ospf dead-interval command is used to set the number of seconds after 
the last device hello packet was seen before its neighbors declare the OSPF 
router to be down. To restore to default value, please use the no ip ospf 
dead-interval command. 
Syntax 
ip ospf dead-interval interval 
no ip ospf dead-interval 
Parameter 
interval——    The neighbor’s failure interval, ranging from 1 to 65535 seconds 
and the default is 4 times the hello interval. 
Command Mode 
Interface Configuration Mode 
Example 
Configure the neighbor’s failure interval on interface VLAN 2 as 50 seconds: 
T3700G-28TQ(config-if)# ip ospf dead-interval 50 
ip ospf authentication 
Description 
The ip ospf authentication command is used to configure the authentication 
mode of the specified interface. To restore to default value, please use the no ip 
ospf authentication command.  
Syntax 
ip ospf authentication [ message-digest ] [ null ] 
no ip ospf authentication 
Parameter 
message-digest—— Specify the authentication type as MD5. 
null ——    No authentication. By default it is no authentication.