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Add note about IP protocol 50 (ESP) traffic #4650

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Sep 16, 2017
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Add note about IP protocol 50 (ESP) traffic #4650

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3 changes: 3 additions & 0 deletions datacenter/ucp/2.2/guides/admin/install/system-requirements.md
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Expand Up @@ -51,6 +51,9 @@ When installing UCP on a host, make sure the following ports are open:
| managers | in | TCP 12386 | Port for the authentication worker |
| managers | in | TCP 12387 | Port for the metrics service |

For overlay networks with encryption to work, you need to ensure that
IP protocol 50 (ESP) traffic is allowed.

Also, make sure the networks you're using allow the UCP components enough time
to communicate before they time out.

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