Siemens SIMATIC ET 200AL, System Manual

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Addressing via DHCP
10.7 Obtain host and domain name via DHCP
Communication
Function Manual, 05/2021, A5E03735815-AJ
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10.7 Obtain host and domain name via DHCP
Requirement
• You have activated the address assignment via DHCP for at least one interface of the
S7-1500 CPU.
• You have activated the host name and domain configuration in STEP 7.
Obtain host name via DHCP
To obtain the host name via DHCP, follow these steps:
1.
Select the S7-1500 CPU in STEP 7.
2. In the properties of the CPU, navigate to "Advanced configuration" > "Host and domain
name"> "Host and domain name configuration"> "Host name".
3. For "Host name configuration:" select "Set host name remotely (e.g. DHCP)" in the drop-
down list.
Result: If the DHCP server supplies a host name as option, the CPU uses this host name.
Obtaining a domain via DHCP
To obtain the domain via DHCP, follow these steps:
1.
Select the S7-1500 CPU in STEP 7.
2. In the properties of the CPU, navigate to "Advanced configuration" > "Host and domain
name" > "Host and domain name configuration" > "Domain".
3. For "Domain configuration:" select "Set domain remotely (e.g. DHCP)" in the drop-down list.
Result: If the DHCP server delivers a domain as option, the CPU uses this domain.