Questions tagged [interface]
The interface tag has no usage guidance.
310
questions
0
votes
1answer
60 views
libreswan configure virtual interface for ipsec traffic
Description:
I am learning how to configure ipsec with libreswan.
I want to set up a host-to-host vpn between two hosts. I want each host to use a virtual interface for their ipsec tunnel.
Problem:
I ...
0
votes
0answers
7 views
Configure apache2 to share specific pages on a specific interface with LocationMatch?
We have a web server that has two interfaces with two seperate IPs. Currently the server listens on both interfaces for all pages.
I want to restrict access to specific pages on one interface, while ...
-2
votes
1answer
29 views
Can we have multiple IP addresses with different Net IDs on an interface? [closed]
Can we have multiple IP addresses with different Net IDs on an interface? Like a Network Card? For example setting up 192.168.1.2 and 18.170.2.5 on the same network card. If yes, where do we use this ...
0
votes
0answers
17 views
Add IPV6 range / block on network debian configuration
I am configuring a network interface on my server, editing this file /etc/network/interfaces.d/50-cloud-init.cfg
I need to have a list of IP address configured which all are in the same ip-block.
For ...
0
votes
0answers
13 views
Redhat 7 - IPv6 does not configure correctly on server bootup, only after resetting interface
we have some RedHat 5 servers which are running IPv4 and IPv6. We are migrating to RedHat 7 and using a similar ifcfg file.
When the RedHat7 comes up after a reboot, all of the IPv4 IP's are ok but ...
2
votes
1answer
143 views
Windows disable NIC as if it were unplugged
I have noticed a distinct difference in Windows (10) between administratively disabling a network interface, and physically unplugging the connection. I am not exactly sure how to describe the ...
0
votes
1answer
35 views
Using netns to force Java application use specify IP
My VPS provider assigned 4 IPv4 to my vps. However, This assigned to single NIC, and VLAN not working(Maybe it is my configuration problem). If I try using VLAN, I can't get external network using ...
0
votes
1answer
63 views
GUI Interface for ACL (Cisco)
Are there any interface (GUI) software to manage ACL? Using Cisco ACL, but it's hard to manage with command line. Any ideas?
Basically, need a software tool to manage ACL permissions with GUI instead ...
0
votes
2answers
115 views
network interface packets count vs bytes [closed]
I am looking at RX and TX stats taken from my ADSL modem/router (DLink DSL-2750B).
I can't figure out how to make sense of the RX/TX packets vs RX/TX bytes.
br0 Link encap:Ethernet HWaddr ...
1
vote
0answers
68 views
Zabbix server and client with 2 IP-addresses
Zabbix server-5, Debian 10.4. Data from remote hosts are collected via Zabbix Proxy ( zbp1 ). Scheme of connection is on image below.
Remote host connects via his ISP #1 to main office using VPN-...
0
votes
0answers
27 views
Layer 3 Interfaces on Cisco Catalyst 2960-C
I am working with a Cisco Catalyst 2960-C, and I can't see equivalent configurations to apply layer 3 interfaces. The switch is configured for routing and does routing.
On a Cisco SG 300 Series, I am ...
0
votes
0answers
50 views
Communicate between 2 servers located on different interfaces of a single computer
I have 3 devices:
A: local NAS mounted locally under ~/NAS, accessible through the LAN gateway 192.168.99.1
B: remote Azure storage server mounted locally under ~/Azure, accessible through the WLAN ...
0
votes
0answers
10 views
How can I figure out that my API-key is aktive and fuctioning?
we want to translate our website into english. So we copied our API-Key into our merchandise management system (Vario) at "Parameter" => "Webshops" to use the google translate ...
1
vote
0answers
31 views
Handle 2 routes to the same destination simultaneously
I setup on my machine 2 different routes on 2 different interfaces to reach a single destination.
When I ping a machine on that destination network, the packet go through the route with the highest ...
0
votes
1answer
129 views
Can't configure a network interface by entries in different files inside /etc/network/interfaces.d
I want to configure a vlan interface by using a file in /etc/network/interfaces.d/, e.g.
vlan1cfg:
auto vlan1
iface vlan1 inet static
address <some addr>
netmask <some mask>
...
0
votes
0answers
35 views
How do I configure my Linux eth interfaces correctly?
This subject drives me crazy. No matter what instructions I follow on the Internet. It only generates problems. I want to configure my eth0 interface for IPv4 and IPv6 for a static IP on Debian Buster....
0
votes
1answer
36 views
what does the network parameter mean or do in /etc/network/interfaces
I've seen following configuration that gives me a bit of a headache
iface ens192 inet static
address 10.27.202.21
netmask 255.255.255.0
network 10.2.0.0
broadcast 10.27.0.255
...
1
vote
1answer
636 views
linux ens4 network interface stop and start [closed]
When i use ifconfig ens4 down and ifconfig ens4 up in the google vm the connection does not return and remains down
sudo -s
apt install screen
screen -s test sh start.sh
ctrl + a + d
echo "1&...
0
votes
0answers
31 views
Virtual private server doesn't see physical network interface
I rent a VPS based on KVM. VPS works on Ubuntu 14.04.6.
Recently, after my VPS was migrated to another physical server I've been getting an error "No route to host" when I try to connect via SSH.
I ...
-2
votes
1answer
30 views
Virtual network interface in Windows
i am trying to setup a VPN server tunnel on my windows PC so that i can connect to it using remote client VPN hence routing traffic through that tunnel
client = android
1
vote
2answers
236 views
Multiple interfaces on one NIC
I managed to install Debian on my Banana Pi R2.
This device has two physical NICs: one for WAN (1 port), one for LAN (4 ports).
eth0
eth1
if I run ip address, I can see, that there are multiple ...
1
vote
0answers
16 views
“tunX” interface device sequence is incrementing with every “ssh” connection
We use ssh -w connection to create tunnels from client workstations to the server. -w creates a tunnel interface for that particular ssh connection. On the server side I noticed every time ssh re-...
0
votes
1answer
125 views
Windows Firewall - Block all incoming traffic on Interface 1
I have a Windows Server (2019) with two interfaces. The first Interface is for Internet access only and the second for management only. Now I want to block all incoming connections on the first ...
-1
votes
1answer
34 views
iLO Interface connections of storage device in the server rack [closed]
I have a setup of 3 racks. In each there are 2 storage server (HP DL560 GEN8) and 4 compute server (HP DL360 GEN8) and 2 control planes (HP DL360 GEN8) and on top of the rack 2 patch panels. Above all ...
1
vote
1answer
193 views
Configuration to use choose the hardware interface for the request?
I have a linux machine (Debian 10 based OS), with 3 hardware interfaces connected to the internet, 2 being USB modems: ifconfig gives ->
eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
...
0
votes
1answer
79 views
NAT happens before routing
I am currently building a private cloud cluster using Proxmox. My cluster contains a head node and two compute nodes.
My head node hosts a NAT server and openvpn server, and three NICs: one for ...
0
votes
0answers
34 views
Use local interface address for firewall rule
I'm setting up a firewall for a connected device running Linux. It has a wired/wireless interface to connect to the internet in general and to open a VPN tunnel to an external server. For security ...
1
vote
0answers
21 views
How can I put a WiFi client and an Ethernet client to the same group?
I have wireless interface wl0 and ethernet interfaces eth0, eth1, eth2, eth3 all in the same bridge br0. Now I have to put one of the wifi clients and one ethernet client to the same group so that ...
0
votes
2answers
48 views
Is there a way to alias a specific interface ip?
I've got a VCS running on debian as prod server, and due to some hypervisor issues it had to be rebooted/migrated/updated several times in the past week.
Because i'm running my app using docker ...
0
votes
0answers
42 views
How to force the use of an ip of my server [duplicate]
How to force the use of an ip of my server
eth0:1, if my server interoge example google.com
when i use my php scripts, the ip that google must see is eth0:1
# The primary network interface
auto eth0
...
0
votes
2answers
75 views
how to get 2 internet connections working
It's either I have a fundamental misunderstanding on how interfaces are suppose to work or I've done something oddly wrong.
I have two interfaces:
eno1: 10.6.59.203/24 (gateway 10.6.59.1)
eno2: 192....
1
vote
0answers
82 views
Setting up openVpn as an interface rather than routing all traffic from paid vpn
I have subscribed to a VPN provider that's provides openVpn config files.
Now instead of routing all traffic through this VPN, I would like to simply set it up as another interface where the ...
0
votes
1answer
169 views
Predictable network interface names doesn't work
I have a problem with moving into predictable network interfaces - if i rename eth01 into enp1s0 - can't login (interface doesn't starting up). I checked /etc/default/grub for net.ifnames=0 - not ...
0
votes
1answer
66 views
I've Encountered A Strange Network Interface. Is This A Standard Practice?
I am currently developing ONVIF software, and one of my test cameras has presented me with a rather odd network interface.
The camera in question is an AXIS M3045-WV. It's a fairly low-cost (for AXIS)...
0
votes
1answer
450 views
Creating network interface with no IP address on CentOS 7
I'm creating a Kubernetes cluster and using MetalLB (https://metallb.universe.tf/) as my load balancer. I've managed to configure everything to work for internal IP addressing but then wanted MetalLB ...
10
votes
1answer
6k views
ifconfig shows UP while ip link shows DOWN
I am looking at the state of an interface on a Linux system. When I use the ifconfig command it shows that the link is UP.
master $ ifconfig docker0
docker0 Link encap:Ethernet HWaddr 02:42:b9:25:...
0
votes
1answer
248 views
Routing from one server to another with different interfaces
I have this topology
Server A:
eth0 IP: 10.10.20.11/24 and 10.10.20.13/24
eth3: 88.x.x.x (vlan with id 10)
primary gateway: GW2 (10.10.20.3)
Server B:
eth0 IP: 10.10.20.23/24
default gateway: ...
0
votes
1answer
146 views
How to connect two EC2 instances using the eth1 interface on both instances?
I have 2 EC2 instances running Ubuntu 18.04. I've attached an additional network interface "eth1" to each instance, so each instance has 2 interfaces( eth0, eth1). eth0 is the default gateway.
What I'...
2
votes
1answer
2k views
Alternative to /etc/network/interfaces on Ubuntu 18.04
In ubuntu 18.04, I found that there is one more requirement for the /etc/network/interfaces configuration to work.
I got information that I could fix it by adding the ifupdown setting to the /etc/...
1
vote
0answers
184 views
How to route between two interfaces?
I use a wireguard (a VPN) to connect to a server. This server has two interfaces (of interest for my problem - all the others are virtual ethernet links to connect to containers, no problem with these)...
0
votes
1answer
32 views
2 physical interfaces change the link to a different interface name, on reboot
Environment:
I have two physical network interfaces on my system:
Qualcomm Atheros Ethernet
Realtek Ethernet (RTL-8169)
On the system, i have Ubuntu-18.04.
Problem:
I have configured:
Realtek ...
0
votes
1answer
189 views
Can not create sub-interface in Cisco CGR 1240
I follow a tutorial, there shows the method of create sub-interface:
but in my actual situation, I can not do this:
Router(config)#interface gigabitEthernet 2/1.100
...
0
votes
1answer
85 views
Can I change names of network interfaces arbitrary?
I have installed OpenWRT on VirtualBox.
There are four interfaces:
br-lan
eth0
eth1
lo
Why do they call that way? Are they variables? Can I name them arbitrary?
foo-bar
xyz0
xyz1
bo
Like so:
...
0
votes
2answers
471 views
Use non default route as non privileged user
On Ubuntu 16.04, the default route for IPv4 is an interface other than eth0.
If I try to
curl -vvv --interface eth0 v4.ifconfig.co
I get
* SO_BINDTODEVICE eth0 failed with errno 1: Operation not ...
0
votes
1answer
85 views
windows 10 ip route not working for modem usb 3G
i have 2 interfaces:
1 .- Cable ethernet
2 .- USB modem 3G,
The problem is i cannot work with both at same time, routing seems not to be working for me...
I cannot nake this work:
0.0.0.0 ...
0
votes
1answer
36 views
Obsolete browser to access old switch and other apparatus
Sometimes I need to log in to old network apparatus web interfaces, that either have https with unsupported ciphers or need java plugin in the browser. With recent versions of Chrome, Firefox or IE ...
2
votes
1answer
4k views
configure trunk interface in linux centos7
I have connected 2 trunk interface to server(centos 7 server) nic port for setup vlan tagging.
And have enabled 8021q module in server.
Configure two physical interfaces as bonding as below
...
1
vote
1answer
891 views
What is this virtual interface? And how can I remove it?
I am using RHEL 7.4 and had both a virbr0 and virbr1. I want to remove them both.
I was able to remove virbr0 by stopping and disabling the default virtual kvm.
libvirtd isn't running, yet I still ...
0
votes
1answer
104 views
Ip forwarding - multiple subnets, multiple Ethernet ports
There are plenty of examples on here of how to forward ip traffic on a linux machine, and a few examples of how to forward traffic from one interface to another. However, most of the latter examples ...
0
votes
1answer
801 views
Disable SMB on specific interface windows
I've got an smb share on a computer connected to a 10.0.0.0 network and an 192.168.0.0 network, and I only want smb to listen on the 10 network. Not just setting up a firewall or something like that, ...
