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Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

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Appendix C: Configuring Dynamic Routing with OSPF<br />

Setting up OSPF routing on the <strong>Sidewinder</strong> <strong>G2</strong><br />

Authentication<br />

Information window<br />

610<br />

Figure 245: Authenticating<br />

Information window<br />

6 In the Priority field, specify the priority for becoming a Designated Router<br />

(DR) on this interface. Values are from 0–255, with the higher priorities<br />

being more likely to be elected as DR (or Backup DR). When set to 0 (the<br />

default setting), gated will not become a DR under any circumstance.<br />

Note: Secure Computing recommends that you keep this value 0 on the<br />

<strong>Sidewinder</strong> <strong>G2</strong> whenever possible; DR functionality can cause significant<br />

utilization impact.<br />

7 In the Hello Interval field, specify the time in seconds between Hello<br />

packets sent to maintain connectivity with neighboring routers. The default<br />

is 10 seconds. Values range from 0–255.<br />

8 In the Router Dead Interval field, specify the time in seconds OSPF will wait<br />

without receiving Hello packets from a neighbor before assuming that<br />

neighbor is down. The default is 40 seconds. Values from 0–65535.<br />

9 [Optional] In the Passive field, specify whether OSPF will NOT send<br />

packets on this interface, but will send information about this interface to<br />

other interfaces. Routes can then be established through the <strong>Sidewinder</strong><br />

<strong>G2</strong> to systems on the passive interface. The default setting is No.<br />

10 In the Auth field, specify which type <strong>of</strong> primary authentication is used on<br />

OSPF packets for this interface<br />

• none—No authentication (default).<br />

• simple—Specifies that a clear text value (as specified in the Auth Keys<br />

list) must be present on all packets.<br />

• md5:—Specifies that a clear text value and key (as specified in the Auth<br />

Keys list) must be present on all packets.<br />

Note: If you select simple or md5, click New (or Modify) to specify the<br />

authentication key data. See “Authentication Information window” below.<br />

11 To save your changes, click the Save icon in the toolbar.<br />

The Authentication Information window specifies settings for simple or md5<br />

authentication settings.

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