Tuesday, May 12, 2020

I am going against the grain by expecting an SRX to be a good DHCP server?

On j-net forums there are unresolved topics both old from 2016 and new from last month about the newer jdhcp daemon config not supporting dhcp attribute settings in static bindings. For example, you can not tell a specific host to use a specific boot server or a different name-server, etc.. Only the host name and IP can be specified for a specific host. You can only specify other dhcp attributes for the entire pool.

That seems like a core feature of a dhcp server and I am trying to figure out what to make of it not being addressed by juniper in over 4 years.

In general, neither SRX dhcp implementation seems very complete and issues brought up on j-net are not addressed by juniper. The operational commands to monitor the leases/bindings are not very robust. You can not tell if a lease is a associated with a static binding. The newer jdhcp daemon does not support listing the static bindings at all until a client obtains a lease against it!

Do you think that most people that use SRX as a gateway use something else as the DHCP server? I am going against the grain by expecting an SRX to be a good DHCP server?

--BobG



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