You can update certain parameters in your Neutron service configuration by using the viocli update neutron command.

Configuration options example using viocli update neutron.
conf:
  neutron:
    DEFAULT:
      api_workers: 8
      rpc_workers: 1
      max_allowed_address_pair: 10

    quotas:
      quota_network: 100
      quota_subnet: 100
      quota_port: 500
      quota_router: 10
      quota_floatingip: 50
      quota_security_group: 10
      quota_security_group_rule: 100

    plugins:
      nsx:
        nsxv:  
          # (ListOpt) Ordered list of router_types to allocate as tenant routers.
          tenant_router_types: shared, distributed, exclusive
          # This option is supported starting from VIO 7.1.
          # default_edge_size = <purpose>:<edge size>[,...]
          # Supported purpose are router, dhcp, lb.
          # Supported sizes are compact, large, xlarge, quadlarge.
          default_edge_size: dhcp:compact, router:large, lb:quadlarge    

        nsx_p:
          default_overlay_tz: 10096ec5-9ec4-4f2e-841d-80167c8d3005
          default_tier0_router: first_tier0_router
          default_vlan_tz: bf86b52f-a629-4c07-a8bd-14b4b46ba384
          dhcp_profile: openstack_dhcp_profile
          ens_support: true
          insecure: .NSX:nsx1:spec.insecure
          metadata_proxy: openstack_md_proxy
          metadata_proxy_shared_secret: .Secret:managedencryptedpasswords:data.metadata_proxy_shared_secret
          nsx_api_managers: .NSX:nsx1:spec.hostname,.NSX:nsx2:spec.hostname,.NSX:nsx3:spec.hostname
          nsx_api_password: .NSX:nsx1:spec.password
          nsx_api_user: .NSX:nsx1:spec.username
          # if the default CGNAT range in NSX-T is updated, below values must be updated to the same.
          transit_networks: 100.64.0.0/16, fc3d:e3c3:7b93::/48
Table 1. viocli update Neutron Parameters
Parameter Default Value Description

api_workers

none

Enter the number of separate API worker processes for service.

rpc_workers

none

Enter the number of RPC worker processes for service.

max_allowed_address_pair

10

Enter the maximum number of allowed address pairs.

dns_domain

openstacklocal

Enter the domain to use for building the hostnames.

quota_network

100

Enter the number of networks allowed per tenant.

quota_subnet

100

Enter the number of subnets allowed per tenant.

quota_port

500

Enter the number of ports allowed per tenant.

quota_router

10

Enter the number of routers allowed per tenant.

quota_floatingip

50

Enter the number of floating IPs allowed per tenant.

quota_security_group

10

Enter the number of security groups allowed per tenant.

quota_security_group_rule

100

Enter the number of security rules allowed per tenant.

default_edge_size

This option is supported starting from VIO 7.1 with NSX-V.

Supported purpose are router, dhcp, snd lb.

Supported sizes are compact, large, xlarge, and quadlarge.

default_edge_size: <purpose>:<edge size>[,..]

tenant_router_types

You can enter exclusive, shared, distributed, or any combination separated by (,).

default_overlay_tz

The default overlay transport zone in NSX-T.

default_tier0_router

The default T0 Gateway in NSX-T.

default_vlan_tz

The default vLAN transport zone in NSX-T.

dhcp_profile

The default DHCP profile in NSX-T.

ens_support

false

Enter true if enable the enhanced data path feature.

metadata_proxy

Enter the profile name or UUID. This is a mandatory option.

transit_networks

If the default CGNAT range in NSX-T is updated, transit network values must be updated to the same.

transit_networks: IPv4CIDR, IPv6CIDR