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Table of Contents

Introduction to public networks

Include PageIntroduction to public networksIntroduction to public networksPublic networks allow the users of virtual datacenters to use Internet addressable public IP addresses in their virtual infrastructure. Users purchase or reserve public IPs for their enterprises in virtual datacenters view. Public networks are not assigned to any specific enterprise in Abiquo and they cannot be set as the default network for an enterprise. They can be set as the default network for a virtual datacenter, but make sure that you have made enough public IP addresses available to the users and that the users have reserved enough public IP addresses for their VMs.

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Display public networks

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Create public networks

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Create static routes

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Create IP addresses

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Make IP addresses available

Include PageMake IP addresses availableMake IP addresses availableTo display public networks:

  1. Go to Infrastructure → Private

  2. Select a datacenter and go to Servers view

  3. Go to Networks → Public

You can filter the list using the search boxes above the Networks list. You can scroll through the list of networks using the page number and arrow buttons at the bottom of the list. And you can search for text to filter the list by network names.

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On the right side of the screen, in the Public IPs pane, the platform displays the details of the IPs of the selected network.

  • To sort by a column, click in the header of the column.

  • To filter the results by any field, use the Search button.

  • To navigate through the pages, use the page scroll

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Create public networks

Before you begin, obtain the network details from your Network Administrator

  • For NSX-T, you can register a network that your Network Administrator created in NSX-T

    • Obtain the provider ID, which is the network path in NSX-T

    • Abiquo will reserve the first 20 addresses of this network for load balancers

      • You cannot use a reserved address for a DHCP server

  • For other systems, obtain the network address, network mask and tag, gateway, and so on

To create a public network do these steps:

  1. Go to Infrastructure → Private

  2. Select a datacenter and go to Servers → Networks → Public

  3. At the bottom of the Networks list, click the + add button 

  4. For NSX-T, first select the Device Create networkImage Added

  5. After you select the Device (nsxt-device), enter the Provider ID and select the Network service type. Create networkImage Added

Field

Value

Name

The name of the public VLAN with up to 128 characters

IPv6

To create an IPv6 network, select this checkbox

Strict

For IPv6 networks only. If you select Strict, the platform will automatically generate EUI64 IP addresses.

Address

The network address of the VLAN

Netmask

The network mask in CIDR format. For IPv4, the value can be from 16 to 30 inclusive, and for IPv6, enter a value of 64, 56, or 48

Gateway

The gateway of the network that must be within the range defined by the network address and the network mask

Tag

Enter the network tag (such as a VLAN or VXLAN tag) to use for this network

Check

Click to check tag availability for all the racks of the Abiquo datacenter.

  • Green: available

  • Yellow: in use by other networks but can be reused

  • Red: not available because it is excluded by rack configuration.

Network service type

Choose the Manage network service types, which assigns the network to network interfaces on the hypervisors

Device

Optional device that defines a network virtualization system that will manage the IP addresses of this network. They may be assigned using its DHCP service. Ensure that VMs deployed on this network allow traffic to the appropriate ports for a DHCP connection.

Primary DNS

Address of the primary DNS

Secondary DNS

Address of the secondary DNS

DNS suffix

The default DNS suffix

Restricted

Select to create a Restricted network so that users require privileges to Attach NICs in restricted networks and/or Detach NICs from restricted networks

Excluded from firewall

Select Excluded from firewall to define a network where VM firewalls will not apply

Static routes

To add and modify static routes, click Manage .

Provider ID

For NSX-T public networks, enter the path to the Tier 0 segment in the NSX-T system.

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Create static routes

Excerpt
nameCreate static routes

To add a Static Route when you create or edit an IPv4 network:

  1. Select the Define checkbox. 

  2. Enter the details of the static route. 
    For example, to add a static route to the network/netmask 1.1.1.0/24 via the gateway/next hop 10.10.100.1

    Create networkImage Added

    1. Enter the destination Netmask, such as 255.255.255.0

    2. Enter the destination Network ID, such as 1.1.1.0

    3. Enter the Gateway IP, which is the next hop on your network, such as 10.10.100.1 

  3. Click Save and the platform will add the static routes to the VM network configuration. 

Note

  • The platform will configure the static routes in VMs using the network configuration method so it may not always be possible to update the static routes in a deployed VM.

  • If you are using DHCP to configure VMs, changes to static routes will be received by the VMs when they reconnect to the DHCP server; for example, after they are restarted. 

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Create IP addresses

To create new IP addresses in a public network do these steps.

  1. On the Public IPs page, click the add + button and enter details

Or you can add an IP directly to a VM. To do this:

  1. Go to myCloud → Virtual datacenters

  2. Edit a VM and go to Network

  3. Click the add + button and enter details (or drag the Auto-generated IP label into the Network pane)

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Enter the Number of IPs to create and the From IP address (the first in the range). The From IP address must be a new address that does not already exist in the network. After creating the first IP address, the platform will try to create the other IPs and it will skip any existing IP addresses. 
For example, if you have IP addresses in network 30.30.30.30, which are 30, 33, and 34 and then you request 3 new IPs starting from 30.30.30.31. The new IPs created should be as follows: 31, 32, 35. 

30.30.30.30

30.30.30.31

30.30.30.32

30.30.30.33

30.30.30.34

30.30.30.35

When you add IPv6 addresses on strict networks, you don't need to set the starting address. On non-strict IPv6 networks, we recommend that you create an automatic IP address, or you can enter a From IP address manually.

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Set the default network for a virtual datacenter

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Edit a public network

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Delete a public network

Include PageDelete a public networkDelete a public networkEach virtual datacenter requires a default network. If you deploy a VM without assigning a NIC, the platform will add one from the default network. You cannot unselect the default network, instead you must assign a new default network to replace it.

To set a network as the default, you will require privileges to access this network in the virtual infrastructure.

Panel

Privileges: Manage virtual datacenter network elements, Access public network tab, Manage public network elements, Access external network tab, Manage external network elements

To assign a network as the default for a virtual datacenter do these steps:

  1. Go to myCloud Virtual datacenters

  2. Select a virtual datacenter and go to Network

  3. Select the network type, such as Private

  4. Create or edit a network

  5. Select the Default network checkbox 

    • This default will override the platform default network and any network set for the enterprise in the datacenter

    • The new default network will apply to all VMs deployed after you set it

    • For a public network that is the virtual datacenter default, obtain IP addresses for your VMs before you deploy

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Edit a public network

To edit the Network Information for the public network

  1. Go to Infrastructure → Private

  2. Select a datacenter and go to Network → Public

  3. Edit the public network

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When you edit a public network, you can change some or all of the following fields, depending on whether you have VMs deployed in the network or not.

Field

Description

Name

The name of the public network

Gateway

IPv4 only. The gateway of the network.
The gateway must be an IP address inside the range defined by the network address and mask

Tag

The tag to use for this network. Abiquo recommends that you check the tag for availability.

  • Green: tag available.

  • Yellow: tag in use but can be shared.

  • Red: tag excluded from use in the rack.

Network service type

Select the Network Service Type represents a network interface on the hypervisors. Configure the NIC in the switch and then configure the NSTs for your hosts. You cannot change the NST after users deploy VMs in the network

Device

The device defines the network virtualization system to use for SDN

Restricted

If selected, when users edit VMs, the only users who can work with IPs from this network are users with the privileges to Attach NICs in restricted networks and/or Detach NICs from restricted networks

Static routes

Select Define to edit static routes for the network

You can modify these fields at any time but the changes will only apply to VMs deployed after you make the changes.

Field

Description

Primary DNS

The address of the primary DNS server for your network

Secondary DNS

The address of the secondary DNS server for your network

DNS suffix

The DNS suffix for your network

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Delete a public network

Before you begin, check that there are no enterprises that have purchased IP addresses from this network. You cannot delete a public network if any of its IP addresses are purchased, reserved, or in use. You cannot delete a public network that is the default for a virtual datacenter.

To delete a public network:

  1. Go to  Infrastructure → Private

  2. Select a datacenter and go to Network → Public

  3. Select the public network

  4. Click the delete button

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Put an IP address on a deny list

Include PagePut In private cloud, to prevent tenants from obtaining and/or using an IP address, you can quarantine it, which is similar to putting it on a deny listPut an IP address on a deny list.

To change quarantine status:

  1. Select one or more IP addresses

  2. Click the quarantine (!) symbol and confirm

Selected IPs that were not in quarantine will be put into quarantine. Selected IPs that were already in quarantine will be removed from quarantine. 

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Pages related to public networks