# neutron_lib.exceptions.l3_ext_ha_mode module

exception neutron_lib.exceptions.l3_ext_ha_mode.DuplicatedHANetwork(**kwargs)

  Bases: `Conflict`

  message = 'Project %(project_id)s already has a HA network.'

exception neutron_lib.exceptions.l3_ext_ha_mode.HAMaximumAgentsNumberNotValid(**kwargs)

  Bases: `NeutronException`

  message = 'max_l3_agents_per_router %(max_agents)s config parameter is not valid as it cannot be negative. It must be 1 or greater. Alternatively, it can be 0 to mean unlimited.'

exception neutron_lib.exceptions.l3_ext_ha_mode.HANetworkCIDRNotValid(**kwargs)

  Bases: `NeutronException`

  message = "The HA Network CIDR specified in the configuration file isn't valid; %(cidr)s."

exception neutron_lib.exceptions.l3_ext_ha_mode.HANetworkConcurrentDeletion(**kwargs)

  Bases: `Conflict`

  message = 'Network for project %(project_id)s concurrently deleted.'

exception neutron_lib.exceptions.l3_ext_ha_mode.MaxVRIDAllocationTriesReached(**kwargs)

  Bases: `NeutronException`

  message = 'Failed to allocate a VRID in the network %(network_id)s for the router %(router_id)s after %(max_tries)s tries.'

exception neutron_lib.exceptions.l3_ext_ha_mode.NoVRIDAvailable(**kwargs)

  Bases: `Conflict`

  message = 'No more Virtual Router Identifier (VRID) available when creating router %(router_id)s. The limit of number of HA Routers per project is 254.'

this page last updated: 2026-08-15 12:38:23

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