{host-node} hostname doesn't resolve at Emulab

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ff...@nyu.edu

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Aug 13, 2026, 6:46:24 PMAug 13
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Hi CloudLab team,

I’m using {host-node} in a profile’s Instructions to generate service URLs, following this discussion:

The profile requests a public address for its Xen VM with node.routable_control_ip = True

The services in the experiment work when accessed through the VM’s static hostname (pcvm855-1.emulab.net). 

However, {host-node} expands to node.jup-op-rip-832.nyunetworks.emulab.net which returns NXDOMAIN.

Is {host-node} expected to resolve for a routable Xen VM on Emulab?

Current experiment: https://www.cloudlab.us/status.php?uuid=441e0424-11f3-435c-96ee-63fca74f5a9c (but it might be expired by the time someone looks at it).

Thank you.

cloudlab-users

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Aug 22, 2026, 6:39:05 PMAug 22
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As far as I know, the VM host name should resolve. We will look into it.

Aleksander Maricq

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Aug 26, 2026, 2:39:47 PMAug 26
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Sorry for the delay here, we've tracked this down and it should be fixed now.
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