Planet Networking & Communication WGS3-24000 User Manual page 222

the same for all routers attached to a network. This value should a multiple of the Hello Interval (e.g. 4). Valid values
range from 1 to 2147483647. The default is 40.
。 Iftransit Delay Interval - Enter the OSPF Transit Delay for the specified interface. This specifies the estimated
number of seconds it takes to transmit a link state update packet over the selected interface. Valid values range
from 1 to 3600 seconds (1 hour). The default value is 1 second.
MTU Ignore - Disables OSPF MTU mismatch detection on receiving packets. Default value is Disable.
。
。 Authentication Type - You may select an authentication type other than none by clicking on the 'Configure' button.
You will then see a new screen, where you can select the authentication type from the pulldown menu. The choices
are:
None - This is the initial interface state. If you select this option from the pulldown menu on the second
screen you will be returned to the first screen and no authentication protocols will be run.
Simple - If you select 'Simple' you will be prompted to enter an authentication key. This key will be
included, in the clear, in the OSPF header of all packets sent on the network. All routers on the network
must be configured with the same key.
Encrypt - If you select 'Encrypt' you will be prompted to enter both an authentication key and an
authentication ID. Encryption uses the MD5 Message-Digest algorithm. All routers on the network must
be configured with the same key and ID.
Figure 4-6-18 OSPF Interfac Authentication Configuration
Figure 4-6-19 OSPF Interface Authentication Configuration
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