[j-nsp] SRX1500 (pkt mode) dhcp relay and VoIP phones

Anderson, Charles R cra at wpi.edu
Wed Jan 16 09:37:35 EST 2019

Maybe try layer2-unicast-replies?

On Wed, Jan 16, 2019 at 08:38:34AM -0500, Michael Davis wrote:
> We use SRX's in pkt mode at some remote sites that don't need full blown 
> security, mostly older SRX100s and SRX240s.  We've recently installed a 
> SRX1500
> at a larger site and everything works as expected, except none of the 
> VoIP phones
> are getting their addresses from the dhcp relay.  We have 6 VLANs on 
> site and all
> of them get dhcp as expected, except the VoIP phones.  Putting a laptop 
> on the
> VoIP VLAN gets an IP correctly.  Monitoring and mirroring the VLAN shows 
> the dhcp
> reply packets being broadcast to the IRB, but the phones just stay in 
> the selecting
> state in the binding table.
> This is the first SRX running the JDHCP code levels so that's suspect, 
> but can't for
> the life of me see why only the phones are having issues.
> We were running the recommended 15.1X49-D150.2 and I upgraded this morning
> to 15.1X49-D160.2 without any change.
> Has anyone run into such an issue before?

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