Questions tagged [nic]
A Network Interface Card is a computer component which connects to a physical network in order to send and receive data.
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Windows Server with 10Gbit NIC - Severe Performance Issues over Certain Routes
we recently upgraded our Windows server (hosted by Hetzner) to a 10Gbit/s connection. The server does reach the full 10Gbit/s capacity, and our customers are not reporting any issues. However, we're ...
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redhat + NICs are stop functioning from time to time
We have a cluster with Huawei machines running RHEL 7.9. and mellanox network cards
From time to time, we notice that the NICs on these servers stop functioning, and the only way to resolve the issue ...
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ipmitool packets going out over unexpected NIC on bridged interface
After changing subnets for a lan/wan connected NIC (connection 1), the ipmitool over our management network (connection 2) fails to work. It is setup on a different interface whose configuration hasn'...
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Hyper-V guest network adapter disappears after restart
The Hyper-V network adapter inside a VM disappears after restart. It does not appear in Device Manager and networking doesn't work.
If I add a new network adapter in the VM settings it shows up live ...
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Windows Server 2022 Support for Intel X520-DA2
One of the major hosting companies is offering us to install Intel X520-DA2 dual 10Gb network cards in some of the servers we are about to rent.
A few of them are supposed to run Windows Server 2022, ...
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temperature of the Broadcom 10Gb LAN controller (BCM57416) on Supermicro motherboards
I am looking for information from people with systems with Supermicro motherboards with a Broadcom 10Gb NIC controller chip (BCM57416). Specifically, I would like to find out the NIC temperature IPMI ...
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Mixed 10Gbps/25Gpbs on Supermicro AOC-A25G-b2SM (BCM57414)
Working on installing some new Supermicro servers and they're configured with a AOC-A25G-b2SM NIC (2xSFP28 ports). Based on what we can support with our switches, we were planning to do a primary link ...
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No connectivity in LAN (arp table does not learn IP addresses)
enter image description hereI have a server connected with NICs as follows,
10.0.11.11/24 - no gateway required.
10.0.10.11/24 - with gateway 10.0.10.240
192.168.2.11/24 - no gateway required.
When ...
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What is this internal plug on my HP Mellanox ConnectX-3 card near the activity LEDs?
I recently bought a second-hand Mellanox ConnectX-3 card for a lab setup. There seems to be an internal connector on it near the activity LEDs, which I think might be for hooking them up to a front ...
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How do I set up multiple networks to 1 computer with 4 ethernet cables with quad-nic (IS SOMETHING POSSIBLE?)
I'm not going to act like I know what I’m doing because obviously, I don’t. Complete n00b here.
So let's start with this. I have 4 networks. All 4 have their own router and switch.
Mega Computer has ...
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Can I connect a server with a 10G SFP+ port to a switch that only has 10G RJ45 ports?
All of our networking equipment is copper. I'm looking at buying a server but it just so happens to have a 10G SFP+ port and I'm unfamiliar with these. My understanding is that these are primarily ...
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Is it possible for a NIC to send data when only the eth TX+ and TX- (eth) lines are connected?
I have a high security network that needs to send data to a less secure network.
The connection must be physically unable to send data from the low security network to the high security network.
I ...
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what effects performance of a tun/tap or a virtual network interface?
I know what a tun/tap device does in linux.
if I create a new tun interface with only a name and assigning an IP address to it, and leave other settings as default, like this:
sudo tunctl -t tun0
sudo ...
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How can I reattach the PCI device when fell off the bus with `unknown header type 7f`
Recently my device experience network problem from time to time.
In the end, I found one of the NIC may have some issue when using the r8169 driver and recent kernel updates: 6.0->6.2
I try to re-...
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Loading an eBPF program causes IRQ affinities to be modified - (ixgbe driver)
I am working on an eBPF/XDP application running on a server with Intel 10G X550T NICs, using the ixgbe driver.
I need precise control over how the work is distributed between cores, so I'm disabling ...
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