第äºè®²è·¯ç±å¨ç»æåè·¯ç±åè®®
第äºè®²è·¯ç±å¨ç»æåè·¯ç±åè®®
第äºè®²è·¯ç±å¨ç»æåè·¯ç±åè®®
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Neighbor Discovery andMaintenanceOSPF Hello ProtocolMulticast 224.0.0.5 on all routerinterfacesHello packets sent out periodically(10 sec. LAN, 30 sec. )Help to detectif neighbors are up or down