Shared peerings
When a core network owner shares their core network with your account, you are then able to create new peerings for the shared core network, delete existing peerings, or manage the tags associated with a peering.
Create a shared peering
When a core network owner shares their core network with your account, you are then able to create new peering attachments for the shared core network, view the current attachments, and delete an attachment from the shared core network.
Before creating a peering, make sure that the account you use to create the peering has the following permissions:
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ec2:CreateTransitGatewayPolicyTable
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ec2:AcceptTransistGatewayPeering
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ec2:AssociateTransitGatewayPolicyTable
To create a shared peering
Access the Network Manager console at https://console.aws.amazon.com/networkmanager/home/
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Under Connectivity, choose Global Networks.
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On the Global networks page, choose the global network ID.
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In the navigation pane, under Shared by me, choose Peerings.
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Choose Create peering.
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Enter a
name
to identify the attachment. -
From the Core network dropdown list, choose the core network that is shared with you and that is where you want to create the peering.
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From the Edge location dropdown list, choose the location where the attachment is located.
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In the Transit gateway section, choose the transit gateway used for the peering.
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Choose one of the following Associate policy table options:
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New — Creates a new policy routing table.
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Existing — Allows you to associate this peering with an existing policy route table. If you choose this option, choose an existing Transit gateway policy table from the dropdown list to associate with the peering.
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(Optional) In the Tags section, add Key and Value pairs to help identify this resource. You can add multiple tags by choosing Add tag, or remove any tag by choosing Remove tag.
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Choose Create peering.
Delete a shared peering
Delete a transit gateway peering.
To delete a shared peering
Access the Network Manager console at https://console.aws.amazon.com/networkmanager/home/
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Under Connectivity, choose Global Networks.
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On the Global networks page, choose the global network ID.
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In the navigation pane, under Shared by me, choose Peerings.
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Choose the Peering ID of the peer that you want to delete.
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Choose Delete.
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In the confirmation box, choose Delete.
The Peering page displays a confirmation that you deleted the transit gateway peering.
Edit shared peering tags
Edit the tags associated with a shared transit gateway peering.
To edit shared peering tags
Access the Network Manager console at https://console.aws.amazon.com/networkmanager/home/
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Under Connectivity, choose Global Networks.
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On the Global networks page, choose the global network ID.
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In the navigation pane, under Shared by me, choose Peerings.
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Choose the Peering ID of the peer that you want to add or modify tags for.
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In the Peering name section, choose the Tags tab.
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Choose Edit tags.
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Do any of the following:
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To add a new tag, choose Add tag, then add a new Key and Value.
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To remove an existing tag, choose Remove tag for the tag that you want to delete.
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To edit an existing tag, change the Key or Value text as needed.
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Choose Edit tags.