ERF12-6899 [ProxyAPI::ProxyException]: Unable to set DHCP entry ([RestClient::BadRequest]: 400 Bad Request) for proxy

Environment

• Red Hat Satellite 6 (which uses DHCP service from the Integrated/External Red Hat capsule)

Issue

• Creating a new host fails with error:

Create DHCP Settings for client.example.com task failed with the following error: ERF12-6899 [ProxyAPI::ProxyException]: Unable to set DHCP entry ([RestClient::BadRequest]: 400 Bad Request) for proxy https://satellite.example.com:9090/dhcp

Resolution

• Fix the syntax in /etc/dhcp/dhcpd.conf

• The below command can be used to check the syntax:

# dhcpd -t -cf /etc/dhcp/dhcpd.conf

For more KB articles/solutions related to Red Hat Satellite 6.x Provisioning Issues, please refer to the Consolidated Troubleshooting Article for Red Hat Satellite 6.x Provisioning related Issues

Root Cause

• This can happen because the Red Hat Satellite fails to contact the DHCP service for creating IP reservations.

Diagnostic Steps

• The following errors were observed in /var/log/messages:

Jun 21 10:00:16 satellite1 dhcpd: /etc/dhcp/dhcpd.conf line 2: expecting a parameter or declaration
Jun 21 10:00:16 satellite1 dhcpd: /etc/dhcp/dhcpd.conf line 4: expecting a parameter or declaration
Jun 21 10:00:16 satellite1 dhcpd: /etc/dhcp/dhcpd.conf line 6: expecting a parameter or declaration
Jun 21 10:00:16 satellite1 dhcpd: /etc/dhcp/dhcpd.conf line 7: expecting a parameter or declaration
Jun 21 10:02:36 satellite1 dhcpd: /etc/dhcp/dhcpd.conf line 33: expecting numeric value.

So, it is implied that this issue could be related to dhcp configuration file syntax.

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