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en:arduino:libraries:ethernetmaintain

Ethernet

Ethernet.maintain()

Description

Allows for the renewal of DHCP leases. When assigned an IP address via DHCP, ethernet devices are given a lease on the address for an amount of time. With Ethernet.maintain(), it is possible to request a renewal from the DHCP server. Depending on the server's configuration, you may receive the same address, a new one, or none at all.

Ethernet.maintain() was added to Arduino 1.0.1.

Syntax

Ethernet.maintain();

Parameters

none

Returns

byte:
0: nothing happened
1: renew failed
2: renew success
3: rebind fail
4: rebind success

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本页面的其他翻译:
en/arduino/libraries/ethernetmaintain.txt · 最后更改: 2016/12/25 22:15 (外部编辑)