Frame Relay
Frame Relay
Frame Relay
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OSPF<br />
• <strong>Frame</strong>-relay cloud represented with NBMA network<br />
node type in OSPF topology graph<br />
• Non-Broadcast Multi Access = multiple neighbors accessible<br />
via single physical interface, but no single broadcast frame<br />
can be sent to all of them<br />
• Be careful when configuring DR priorities on NBMA<br />
network with other than full-mesh topology<br />
• DR should be directly connected to all other routers using<br />
VC<br />
• Different OSPF timers used on NBMA networks<br />
© 2005 Petr Grygarek, Advanced Computer Networks Technologies<br />
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