Public bug reported:
Sometimes in multistack spine&leaf topologies, when dhcp agents are run
on compute nodes there is a need to assign each network to be hosted by
all dhcp agents. Otherwise vms spawn on some of the sites may not get
properly configured IP addresses.
Of course this can be done by setting correct number in
"dhcp_agents_per_network" config option but this solution may not scale
well as it needs to be updated everytime when new nodes/sites are added.
So maybe better option would be to propose new dhcp scheduler class which can
be used in such cases.
This new scheduler would simply always schedule all networks to the all dhcp
agents which it will find in the deployment.
** Affects: neutron
Importance: Wishlist
Assignee: Slawek Kaplonski (slaweq)
Status: New
** Tags: l3-ipam-dhcp rfe-triaged
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https://bugs.launchpad.net/bugs/1910533
Title:
[RFE] New dhcp agents scheduler - use all agents for each network
Status in neutron:
New
Bug description:
Sometimes in multistack spine&leaf topologies, when dhcp agents are
run on compute nodes there is a need to assign each network to be
hosted by all dhcp agents. Otherwise vms spawn on some of the sites
may not get properly configured IP addresses.
Of course this can be done by setting correct number in
"dhcp_agents_per_network" config option but this solution may not
scale well as it needs to be updated everytime when new nodes/sites
are added.
So maybe better option would be to propose new dhcp scheduler class which can
be used in such cases.
This new scheduler would simply always schedule all networks to the all dhcp
agents which it will find in the deployment.
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https://bugs.launchpad.net/neutron/+bug/1910533/+subscriptions
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