Apipa And Link-Local Addressing - LEGRAND Server Technology PRO3X User Manual

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This product is designed to
be used within an electronic
equipment rack. The metal
case of this product is
electrically bonded to the
line cord ground wire. A
threaded grounding point on
the case may be used as an
additional means of
protectively grounding this
product and the rack.
Models with unterminated
power cords: Input
connector must be installed
by qualified service
personnel. Input connector
rating must meet all
applicable codes and
regulations.
WARNING: CHINA
NOTIFICATION: For use at
altitude 2,000 meters or
lower.

APIPA and Link-Local Addressing

PRO3X supports Automatic Private Internet Protocol Addressing (APIPA).
With APIPA, your PRO3X automatically configures a link-local IP address and a link-local host name when
it cannot obtain a valid IP address from any DHCP server in the TCP/IP network. Only IT devices
connected to the same subnet can access the PRO3X using the link-local address/host name. Those in a
different subnet cannot access it.
Exception: Port Forwarding mode does not support APIPA.
Once the PRO3X can get a DHCP-assigned IP address, it stops using APIPA and the link-local address is
replaced by the DHCP-assigned address.
Scenarios where APIPA applies:
DHCP is enabled on the PRO3X, but no IP address is assigned to the PRO3X. This may be caused by
the absence or malfunction of DHCP servers in the network. For example, connecting the PRO3X to
a computer using a network cable.
The PRO3X previously obtained an IP address from the DHCP server, but the lease of this IP address
has expired, and the lease cannot be renewed, or no new IP address is available.
Link-local addressing:
IPv4 address:
Ce produit est conçu pour être
utilisé dans une baie pour
appareils électroniques. Le boîtier
métallique de ce produit est
raccordé électriquement au fil de
terre du cordon d'alimentation. Il
est possible d'utiliser en plus un
point de mise à la terre fileté placé
sur le boîtier pour relier ce produit
et la baie à la terre.
Modèles avec cordons
d'alimentation non terminées: Le
connecteur d'entrée doit être
installé par un personnel qualifié.
Entrée cote de raccordement doit
respecter tous les codes et
règlements électriques
applicables.
AVERTISSEMENT : AVIS
CONCERNANT LA CHINE : conçu
pour être utilisé à une altitude
maximale de 2 000 mètres.
Dieses Produkt muss in einem
Einbauschrank für elektronische Geräte
installiert werden. Das Metallgehäuse
dieses Produkts ist elektrisch mit dem
Erdleiter des Netzkabels verbunden. Als
zusätzliche Sicherheitsmaßnahme
empfehlen wir die weitere Erdung über
einen Erdungsanschluss am Gehäuse
des Produktes und des Einbauschranks.
Modelle mit unfertigem Netzkabel: Der
Eingangsstecker darf nur von
qualifiziertem Wartungspersonal
installiert werden. Der Eingangsstecker
muss für alle geltenden und
verbindlichen Normen und Vorschriften
zugelassen sein.
WARNUNG: EINSATZLAND CHINA: nur
für den Betrieb auf Höhen bis maximal
2000 m.
13

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