I'm setting up Icinga (Nagios fork) and I have some machines with multiple interfaces. Some services are only listening on one of them and to check them correctly, I like to know if it's possible to have multiple IP addresses configured for a single…
I have a fresh CentOS 6 installation on a Dell R310 server with a Broadcom BCM5716. The onboard NIC is causing the boot to hang for some reason.
Welcome to CentOS Linux
Starting udev: udev: starting version 147
Boardcom NetXtreme II Gigabit Ethernet…
Using ESXi 4.1
Want my Virtual Machines to be able to communicate with each other, share files, etc.
I have 2 nics that go from the server to the network (one public and one private) however these are real nics on real networks, can I create a…
We're currently using Dell OptiPlex workstations with the Intel vPro feature. A remote location is requiring their computers be connected via fibre for security reasons. This will require us to install third-party FO NICs in the workstations. My…
I have a server with 4 ports (2 adapters with two ports each). I want to connect two ports to the local switch and two other ports to the external switch. This local switch has an uplink to the external switch, which has access to the net. As the…
I've noticed a very large count of dropped packets in the NICs of some of my servers.
Have you seen something like this before? Any idea on what can be the problem?
Below there's some information that could be relevant to diagnose this…
I have searched a lot for a solution to this case but I couldn't find any.
So, any help would be appreciated.
I have a windows server 2012 with 1 NIC having 2 IPs bound to it 37.188.120.8 and 134.213.23.146.
These IPs are assigned private IPs…
I try to figure out how to set up two logical network interfaces (at one physical interface) with separate MAC addresses on a Linux machine.
My first attempt was to use macvlan which seemed to work at first:
[root@localhost ~]# ip link add link…
Here's an interesting one I haven't seen on ServerFault I'd like to "discuss" based on our rule regarding a Good Subjective question.
I have a ton of Windows 2008/2012 VMs in my environment running under VMWare 5.1 and 5.5 clusters.
There is a…
Is it possible to disable either the tx or the rx in a NIC? I am setting up a network monitoring machine and I would like to be sure that no packet will be introduced by this machine at the network.
One approach would be use some sort of netfilter…
I'm trying to figure out why "netsh dump" produces different scripts on 2003 versus 2008. In output below, I've used "netsh interface ip dump" to keep the length of this post reasonable. I've searched the full dump, and the DNS settings have not…
I'm troubleshooting VMware ESXi host network and connectivity issues stemming from the use of Intel NICs who require the igb driver.
The chipset is Intel Corporation 82576.
VMware has a few documented issues with these cards, and the driver…
I am on a local area network that has no external access to the internet. However I have been tasked to find a way to allow certain machines to access the web (HTTP, HTTPS, etc) via a wireless card on their laptop. So my question is, is there a…
I have a 3 servers with Windows Server 2012.
After restart one server :
public network become private and private network become public. (2 NIC)
I don't know how this can happen and how to fix it ? I have tried to set Network Location Awareness to…