6
votes
Accepted
Detect if a network card is a virtual network card (docker/veth/etc) in Linux / bsd
Check the /sys/class/net/<device_name> symlink. If it points into /sys/devices/virtual/, then it is a virtual interface. If it points to a "real" device (e.g. into /sys/devices/pci0000:00/), ...
- 6,457
5
votes
Accepted
How to configure routing between Azure virtual networks?
Ok, this can be done, but it's definitely not as easy as it could (and should) be.
Basically, the trick is using Azure's "local networks" to configure Azure gateways as we want, even if we can't ...
- 68.5k
4
votes
Bridging two (a physical ethernet with a virtual ethernet) different subnets on linux?
You are thinking wrong on several levels.
A bridge is a layer 2 device. If you connect two networks by a bridge, you are creating a single layer 2 network comprising both of the connected networks - ...
- 3,718
3
votes
How to configure routing between Azure virtual networks?
Azure has introduced vNet Peering if you do not want to bother with VPN every time you want to connect 2 networks :
https://docs.microsoft.com/en-us/azure/virtual-network/create-peering-different-...
- 163
3
votes
Accepted
Configuring Azure Internal Load Balancer
Looking at the documentation for Add-AzureEndpoint I think you are missing the -ProbePath
Required if ProbeProtocol is set to "http". Omit otherwise. Specifies the URI whose health will be ...
2
votes
Virtual network - tracert to local vm results in over 255 hops
Tracing route to vmsp2013.xdomain.local [192.168.1.177] over a maximum
of 255 hops:
As our good friend Inigo says "I do not think it means what you think it means."
That is not saying that it took ...
- 108k
2
votes
Accepted
How to join local computer to azure virtual server domain?
Question 1:
With S2S VPN the routing should be able to do the job correctly. Make sure the remote computer got the remote DC as the only DNS's server.
With P2S VPN you need a client that can ...
- 16.2k
2
votes
Output multiple VM's to only 4 IP addresses ESXI
The only way I see this being possible is to have multiple virtual firewalls i.e. Pfsense running in the middle. Each of the four Pfsense firewalls would have one ip from your router on what would ...
- 81
2
votes
Accepted
How to enable reverse DNS for private ips inside an Azure (ARM) virtual network
There's no reverse DNS for internal IPs in Azure. You have to provide name resolution using your own DNS Server. Additionally, "machine1.azelkjzerlqkzjfkljsqfjsf.cloudapp.net" is not an internal FQDN. ...
- 3,804
2
votes
How to reliably keep a list of servers in a company network
DNS. Every network should have name services, sometimes bundled or integrated as DNS, DHCP, and IPAM (DDI).
- 29.7k
2
votes
VNET peering with on-premise gateway transit not working properly
It sounds like your onprem Gateway doesn’t have a route to the 10.230.0.0/16 (VN_Other) vía the S2S VPN
2
votes
NIC teaming on hyper-v host or within each VM?
The discrepancy you're seeing lies only in reported speed of the NIC. Some background first:
Windows is lying a bit when it's telling you that the teamed NICs are running at 2Gbps, as that's not ...
- 7,001
2
votes
Accepted
How to connect 2 Virtual Network with on-premises without another VPN?
In this case, when you have two VNETs and your VNG (VPN connection) is only in one VNET, you should create the second VNET to use a remote gateway and your current VNET must accepts a transit gateway. ...
- 346
2
votes
Does the linux bridge have in-built DHCP and DNS server?
In general the Linux/Unix way is to build tools and solutions that do one thing really well and then use other existing tools and products to provide other complementary/ related functionality.
The ...
- 5,305
2
votes
Accepted
Expose Container in virtual network to public Azure
In general container groups deployed to a virtual network don't currently support exposing containers directly to the internet with a public IP address or a fully qualified domain name.
You would have ...
- 2,348
2
votes
Accepted
Azure virtual network location tradeoffs
Your vNet has to be in the same region as the resources in it, so it's more likely that the requirement for where you compute needs to sit will drive where your vNet sits.
If you peer networks in ...
- 38.1k
2
votes
Accepted
Azure: How to add CosmosDb to VNET properly
Cosmos DB is a PaaS service and so doesn't really "join" a vNet, however it has two options to better integrate with vNet traffic:
Service Endpoints - this is where you apply a firewall to ...
- 38.1k
1
vote
How to route all VM traffic through specific physical interface over a Linux bridge?
You have basically two options:
In your current configuration vnet0 and em2 are bridged, so the VM can reach the Netgear device without routing. You just need to assign the VM an address in 192.168.0....
- 5,272
1
vote
Virtual network between Hyper-V host and guest VM is blocked by firewall because marked as unidentified
Unidentified network means that the adapter is not connected to the internet. Can you make sure that the Virtual Switch Manager is set to External Network and the interface that is selected is ...
- 1,175
1
vote
Virtual Networking in KVM breaking internet access
Remove the autostart from the network definition. It is being started by the network manager. The two configurations may be conflicting. virsh may report the interace as inactive even if it is up. ...
- 27.3k
1
vote
How to enable reverse DNS for private ips inside an Azure (ARM) virtual network
As @Bruno Faria said that machine1.azelkjzerlqkzjfkljsqfjsf.cloudapp.net is not a internal FQDN, it's a public FQDN. I understand why you want to use this feature , but now we should do something ...
- 468
1
vote
Accepted
Should a private virtual LAN be filtered
is a LAN filtering "needed" to avoid propagation of an intrusion from a VM to another ?
Allowing lateral movement is a policy decision that you make. In general, denying any traffic that is not ...
- 29.7k
1
vote
Accepted
GCP: No Network Access on additional virtual network interfaces
The reason this is happening is because you haven't provided the Windows machine with default gateway information. You need to add a default gateway for each new adaptor/interface.
So for an example, ...
- 917
1
vote
VNET peering with on-premise gateway transit not working properly
Not only do you need a route defined on premises to route thru the tunnel, but your vpn appliance on prem needs to be aware that it should allow traffic from that address space. Once you do that, it ...
1
vote
Use Azure Public IP With On Prem VM
i want to assign a Azure Public IP to an on prem vm to expose some
services. But forward the traffic from the Public IP to the OnPrem VM
over the existing site to site connection
For now, we can'...
- 2,389
1
vote
Accepted
Virtual routers to replace proxy server
Yes, your host needs at least two NICs.
You create two virtual networks on the machine, WAN and LAN.
You connect one of the NICs to LAN and the other to WAN.
Physically connect the WAN port to ...
- 3,768
1
vote
Accepted
How can I increase the throughput/bandwith of my virtual network?
You seem to have solved the tool issue, I might add that for maximum performance inside a vSwitch in VMware, make sure that you're running the latest vmtools and VMXNET3 adapters (the legacy e1000 ...
- 3,366
1
vote
libvirt TCP tunneled network only works for 2 VMs
After looking into the code of libvirt and qemu I found out that this is intended behaviour (at least by qemu). libvirt passes the TCP tunnel options to the -net switch of qemu. The single-client ...
- 1,026
1
vote
Accepted
Why doesn't my Web App deployed in an Application Service Environment which is associated with a VNet see my VM?
I'm not able to confirm this right now, but I thought the intent was for ASE to be placed in a separate subnet in the VNET from the VM/Compute resources ... vs co-existing with compute. Have you ...
- 394
1
vote
Azure VM and Web App in VNET VPN, changing IP and automatic start of vpn
To access the server using a name instead of IP, you indeed need to
use DNS, don't worry though, it's not that hard, here's an exact
step-by-step article on how to do it:
http://blogs.msdn.com/b/...
- 3,829
Only top scored, non community-wiki answers of a minimum length are eligible