Lab: Multisite Scenario

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In this article I am going to focus on the Multisite Scenario #4.

The other Multisite Scenario overview can be found here: NSX Multisite routing (diagram options)

A big thank you to Shank Mohan that pointed me in the right direction on turning off URPF mode on the Tier-0 Gateway (uplink) Interfaces. (Configuration Details → Site A (Paris) / Site B (London) → Tier-0 Gateway Configuration → Interfaces)

The diagram 〈from a vSphere Cluster and Edge Cluster perspective〉

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The diagram 〈from a BGP routing perspective〉

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Routing Tables

Pings, Trace-routes, VM Accessibility when both sites are up

Ping

Web-01a → Control Center
Web-01a → Internet
DB-01a → Control Center
DB-01a → Internet
Web-01b → Control Center
Web-01b → Internet
DB-01b → Control Center
DB-01b → Internet
Control Center → Web-01a
Control Center → DB-01a
Control Center → Web-01b
Control Center → DB-01b

Trace–routes

Site–A

Web-01a → Control Center (via 192.168.254.1)

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Web-01a → Internet (via 192.168.252.1)

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DB-01a → Control Center (via 192.168.253.129)

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DB-01a → Internet (via 192.168.252.129)

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Site–B

Web-01b → Control Center (via 192.168.254.1)

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Web-01b → Internet (via 192.168.252.1)

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DB-01b → Control Center (via 192.168.254.129)

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DB-01b → Internet (via 192.168.252.129)

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Control Center

Control Center → Web-01a (via wan-router-01a.corp.local)

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Control Center → DB-01a (via wan-router-01a.corp.local)

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Control Center → Web-01b (via wan-router-01b.corp.local)

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Control Center → DB-01b (via wan-router-01b.corp.local)

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Configuration Details