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Network

The Network configuration section of the Data Model defines how to create/modify networks, and their associated parameters.

From the network section, you can perform some of, but not limited to, the following operations:

  • Creating a new network
  • Modifying settings of an existing network such as name, associated VRF, VXLAN L2VNID, VLAN ID
  • Associating a network with specific switches and switchports in the fabric

Diagram

Diagram

Classes

overlay (vxlan)

NameTypeConstraintMandatoryDefault Value
networksList[networks]No
network_attach_groupsList[network_attach_groups]No

networks (vxlan.overlay)

NameTypeConstraintMandatoryDefault Value
nameStringYes
is_l2_onlyBooleantrue, falseNofalse
vrf_nameStringNo
net_idIntegermin: 1, max: 16777214No
vlan_idIntegermin: 1, max: 4094No
vlan_nameStringNo
gw_ip_addressIPNo
arp_suppressBooleantrue, falseNo
dhcp_loopback_idIntegermin: 0, max: 1023No
dhcp_serversList[dhcp_servers]No
gw_ipv6_addressStringNo
int_descStringNo
l3gw_on_borderBooleantrue, falseNofalse
mtu_l3intfIntegerNo9216
multicast_group_addressIPNo239.1.1.1
netflow_enableBooleantrue, falseNofalse
route_target_bothBooleantrue, falseNofalse
route_tagIntegermin: 0, max: 4294967295No12345
secondary_ip_addressesList[secondary_ip_addresses]No
trm_enableBooleantrue, falseNofalse
vlan_netflow_monitorStringNo
child_fabricsList[child_fabrics]No
network_attach_groupStringNo

network_attach_groups (vxlan.overlay)

NameTypeConstraintMandatoryDefault Value
nameStringYes
switchesList[switches]No

dhcp_servers (vxlan.overlay.networks)

NameTypeConstraintMandatoryDefault Value
ip_addressIPYes
vrfStringYes

secondary_ip_addresses (vxlan.overlay.networks)

NameTypeConstraintMandatoryDefault Value
ip_addressIPYes
route_tagIntegermin: 0, max: 4294967295No

child_fabrics (vxlan.overlay.networks)

NameTypeConstraintMandatoryDefault Value
nameStringYes
dhcp_loopback_idIntegermin: 0, max: 1023No
dhcp_serversList[dhcp_servers]No
multicast_group_addressIPNo
trm_enableBooleantrue, falseNo
netflow_enableBooleantrue, falseNo
vlan_netflow_monitorStringNo
l3gw_on_borderBooleantrue, falseNo

switches (vxlan.overlay.network_attach_groups)

NameTypeConstraintMandatoryDefault Value
hostnameStringYes
portsListString[Regex: (?i)^(?:e|eth(?:ernet)?)((\d)/\d{1,3})$|^(?:po|port-channel)([1-9]|[1-9][0-9]{1,2}|[1-3][0-9]{3}|40[0-8][0-9]|409[0-6])$]No
torsList[tors]No

tors (vxlan.overlay.network_attach_groups.switches)

NameTypeConstraintMandatoryDefault Value
hostnameStringYes
portsListString[Regex: (?i)^(?:e|eth(?:ernet)?)((\d)/\d{1,3})$|^(?:po|port-channel)([1-9]|[1-9][0-9]{1,2}|[1-3][0-9]{3}|40[0-8][0-9]|409[0-6])$]No

Examples

The following configuration creates 2 networks: NetworkDMZ and Network1:

  • NetworkDMZ is created as a L2 Only network (no unicast routing). It is assigned a VXLAN L2VNID of 33100, and a VLAN ID of 3100. It is associated with a network_attach_group called ‘dmz’, which will deploy this network on the dc1-leaf1 and dc1-leaf2 switches, and allows the network on the Ethernet1/23 and Ethernet1/24 ports of both switches.
  • Network1 is created as a routed network (unicast routing enabled). It is associated with the VrfRed VRF. It is assigned a VXLAN L2VNID of 30100, and a VLAN ID of 100. The network is assigned a GW IP address of 192.168.10.1/24 with a route tag of 12345. It is associated with a ‘network_attach_group’ called ‘esxi’, which will deploy this network on the dc1-leaf1 and dc1-leaf2 switches, and allows the network on the Port-channel10, Port-channel20, Port-channel30 and Port-channel40 of both switches.

The network_attach_group object helps create a mapping of switches and switchports to be associated with one or more networks.

overlay_networks.nac.yaml
vxlan:
overlay:
networks:
# simple example
- name: NetworkDMZ
is_l2_only: true
net_id: 33100
vlan_id: 3100
network_attach_group: dmz
# full example
- name: Network1
is_l2_only: false
vrf_name: VrfRed
net_id: 30100
vlan_id: 100
vlan_name: Network1
gw_ip_address: 192.168.10.1/24
arp_suppress: false
dhcp_loopback_id: 100
dhcp_servers:
- ip_address: 10.125.10.100
vrf: VrfRed
- ip_address: 10.125.10.101
vrf: VrfRed
gw_ipv6_address: 203e:10:15:10::1/128
int_desc: Network1
l3gw_on_border: true
mtu_l3intf: 9216
multicast_group_address: 239.1.1.1
netflow_enable: false
route_target_both: true
route_tag: 12345
secondary_ip_addresses:
- ip_address: 192.168.11.1/24
route_tag: 54321
trm_enable: true
vlan_netflow_monitor: test
network_attach_group: esxi
network_attach_groups:
- name: esxi
switches:
- hostname: dc1-leaf1
ports:
- Port-channel10
- Port-channel20
- Port-channel30
- Port-channel40
- hostname: dc1-leaf2
ports:
- Port-channel10
- Port-channel20
- Port-channel30
- Port-channel40
- name: dmz
switches:
- hostname: dc1-leaf1
ports:
- Ethernet1/23
- Ethernet1/24
- hostname: dc1-leaf2
ports:
- Ethernet1/23
- Ethernet1/24