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You're using /24 on one switch and /28 on the other. That means 192.168.0.1 thinks 192.168.0.17 is in the same subnet, it is not. You'll need to route between the networks.


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in Azure there is a new feature called Azure Domain Services. it is in public preview at the minute. once configured you can join Azure IAAS VMs to Azure Domain services. Azure domain Service has access to all you Azure AD connect synced accounts so your synced users can authenticate against Azure domain Services and the accounts are available to login to ...


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Check the ingress security group rules for the instance in both subnets. You need to permit the CIDR for specifics to subnet or else attach the default security group to them. "Allow inbound traffic from instances assigned to the same security group" http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_SecurityGroups.html#DefaultSecurityGroup


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You need a route and open network ACLs from the webserver-tier subnet back to the bastion-tier subnet or your response packets will never make it back to the server. Enable ICMP (and make sure your ping client is using ICMP only -- some use UDP packets by default) from webserver subnet to bastion and open the appropriate ephemeral TCP ports (range is ...


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You can follow the steps below to create subnetworks from Developer console: From Developer console click Networking. Select Networks from left side. Click on Create a network. On this page you can choose between Custom or Automatic subnetworks and the region for these subnetworks. For more information you can refer to this link.


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Sorry what I'm trying to work out is if Glasgow loses the dcs then the users can still authenticate in London. So I assume they need to be on the same up range otherwise how would they see London network.. Your comment reveals the basic misunderstanding you've made. There's no requirement for the client and the DC to be on the same subnet. You use a ...


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You will need to delegate individual /48s. Assuming your /32 is 2001:DB8::/32 your zone is 8.b.d.0.1.0.0.2.ip6.arpa. Reverse zones are done by dotted nibbles. That is why recommended sub-delegations are a /56 or a /48. This yields 256, and 65356 /64 subnets respectively. If you assign 6 zones starting with 2001:DB8:1234/48, you would need to delegate ...



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