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in the previous section we configured the L3 agent for the Neutron virtual router, today the virtual router will be created “router_100_101”, vlan100 and vlan101.
Open the Action menu Project, Network, routers.
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Click “ Create router” Button
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Router named “router_100_101”, click “ Create router” Button confirmation.
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Router_100_101 created successfully.
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Next you need to connect the vlan100 and vlan101 to the router_100_101. Click “router_100_101” Link into the Router configuration page, “Interfaces” tab, click “ ADD interface” Button.
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Select Vlan101 's Subnet_172_16_101_0, click “ ADD interface” Confirm.
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Add the vlan100 subnet_172_16_100_0 in the same way.
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When finished, you can see that the router_100_101 has two interface, the IP is exactly subnet's Gateway IP 172.16.100.1 and 172.16.101.1.
Here, we can foresee: 1. The router_100_101 has been connected to Subnet_172_16_100_0 and SUBNET_172_16_101_0. 2. Two subnet Gateway IPs have been set up on the router_100_101. 3. CIRROS-VM1 and CIRROS-VM3 should be able to communicate.
Test it with a PING.
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Judging correctly, CIRROS-VM1 and cirros-vm3 can communicate.
View the routing table for CIRROS-VM1, which has a default gateway of 172.16.100.1. At the same time Traceroute tells us that CIRROS-VM1 is indeed through router_100_101 access to CIRROS-VM3.
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In the next section we will explore how router_100_101 works.
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Create router connect subnet-5 minutes a day play with OpenStack (100)