D-Link DFL-210-WCF-12 Product Manual - Page 181
OSPF Area, Note: Authentication must be the same on all routers
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4.5.3. OSPF Components Chapter 4. Routing Note: Authentication must be the same on all routers If a passphrase or MD5 authentication is configured for OSPF, the passphrase or authentication key must be the same on all OSPF Routers in that Autonomous System. In other words, the OSPF authentication method must be replicated on all NetDefend Firewalls. Advanced Time Settings SPF Hold Time SPF Delay Time LSA Group Pacing Routes Hold Time Specifies the minimum time, in seconds, between two SPF calculations. The default time is 10 seconds. A value of 0 means that there is no delay. Note however that SPF can potentially be a CPU demanding process, so in a big network it might not be a good idea to run it to often. Specifies the delay time, in seconds, between when OSPF receives a topology change and when it starts a SPF calculation. The default time is 5 seconds. A value of 0 means that there is no delay. Note however that SPF can potentially be a CPU demanding process, so in a big network it might not be a good idea to run it to often. This specifies the time in seconds at which interval the OSPF LSAs are collected into a group and refreshed. It's more optimal to group many LSAs and process them at the same time, instead of running them one and one. This specifies the time in seconds that the routing table will be kept unchanged after a reconfiguration of OSPF entries or a HA failover. Memory Settings Memory Max Usage Maximum amount in Kilobytes of RAM that the OSPF AS process are allowed to use, if no value is specified the default is 1% of installed RAM. Specifying 0 indicates that the OSPF AS process is allowed to use all available ram in the firewall. 4.5.3.2. OSPF Area The Autonomous System (AS) is divided into smaller parts called an Area, this section explains how to configure areas. An area collects together OSPF interfaces, neighbors, aggregates and virtual links. An OSPF area is a child of the OSPF router process and there can be many area objects defined under a single router process. In most simple networking scenarios, a single area is sufficient. Like the router process object, a similar area object should be defined on all the NetDefend Firewalls which will be part of the OSPF network. General Parameters Name ID Specifies the name of the OSPF Area. Specifies the area id. If 0.0.0.0 is specified then this is the backbone area. 181