All Questions
Tagged with linux networking
4,768
questions
1
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2
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22
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What is the purpose iproute2's nexthop object management utility?
I'm not sure how ip nexthop is used to affect the route taken by packets and its relationship with ip route and the nexthop parameter of ip route. Is there a standard way this is used within industry, ...
- 49
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0
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27
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Is there anyway to disallow accessing local network devices through global IPv6 addresses in linux?
I realize that this question might sound kind of strange, but it is necessary for my situation as far as I can tell.
The root of it is that my ISP assigns IPv6 global addresses dynamically and ...
- 121
1
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answers
40
views
strange routing table entries
My Linux network device cannot be access outside my local network.
I checked the routing table, and found the following:
netstat -rn
Kernel IP routing table
Destination Gateway Genmask ...
- 11
0
votes
1
answer
129
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How to resolve an asymmetric routing issue?
I have a network consisting of the following:
PfSense router with untagged network 10.1.0.0/23 and tagged VLAN 40 network of 10.1.40.0/24.
I have a wireless computer connected to the the 10.1.0.0 ...
- 1
0
votes
0
answers
81
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Use the Windows PC as a middleware to access the restricted site
Assume my Windows PC has the ability to access the restricted.com site via a network adapter that only supports Windows. I want my other Linux PC to be able to access that site as well, but because ...
- 111
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60
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systemd-networkd gains ipv6 but not ipv4
hoping for some help debugging a systemd-networkd issue.
I have both systemd-networkd and wpa_supplicant.
I've enabled a [email protected] systemd unit that corresponds with an /etc/...
0
votes
0
answers
21
views
Ethernet devices on router cant ping or reach wireless devices
My homeserver pc is connected to router via ethernet and my wifi devices on the network cant reach it and they cant reach it. Wireless devices can contact each other and all devices can ping router ...
0
votes
0
answers
106
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How to connect Linux to a WPA2-EAP-CCMP Wi-Fi network?
Summary: after having gone through tons of documentation pages, I still cannot connect my Debian to a WPA2-EAP-CCMP Wi-Fi
The NIC is correctly configured (driver-wise):
# iwconfig
wlx00e04c45ad46 ...
- 3,253
0
votes
0
answers
29
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Docker container not recieving packets from specific port
So I have an instance in Oracle cloud, running OL7. In that instance I'm trying to setup some docker containers with multiple servers. These container should be reachable from the outside on different ...
2
votes
1
answer
217
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How are `vti` and `xfrm` iproute2 interfaces supposed to be configured and used with xfrm states and policies?
XFRM states and policies enable configuring IPsec encryption without a virtual interface. The vti and xfrm interface types, however, I think make it possible to route traffic through a virtual ...
- 49
0
votes
0
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35
views
Wi-fi Multiband Router doesn't provide proper IP Adress to Linux
Recently my network provider changed my router to a "newer" one.
But I'm having issues to connect to the router from linux devices.
The new router has a technology that my network isn't ...
0
votes
1
answer
29
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What is the difference/precedence of resolved.conf and a .network configuration?
There are two places where I can set up the DNS server for a systemd linux (static configuration):
in /etc/systemd/resolved.conf, in the [Resolve] section, a DNS= entry
in /etc/systemd/network/<...
- 3,253
0
votes
1
answer
81
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Why doesn't ARP request over VXLAN network get response using simple two machine linux setup?
I am testing the native VXLAN functionality of iproute2 in linux network namespaces. The simulated setup involves 2 different namespaces with 1 bridge and 2 veth pairs.
The aim is to have a basic ...
- 49
0
votes
2
answers
49
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VMware DHCP server (vmnet-dhcpd) rejects option "rfc3442-classless-static-routes"
I am trying to set up the VMware DCHP server to push a static route (192.168.248.0/24 -> 192.168.248.129) to DHCP clients (VMs) connected to a custom interface called vmnet14. I referred to this ...
- 125
2
votes
1
answer
671
views
How to explain sequences of FIN,ACK instead of FIN - FIN,ACK?
Context: newly installed Debian 12, I get a bunch of strange logs related to ssh:
root@square:~# journalctl -u ssh -f
May 07 11:13:00 yop-square sshd[766]: error: kex_exchange_identification: ...
- 3,253