0
votes
0answers
24 views

Is it possible to use static DNS servers everywhere EXCEPT specific networks?

I would like to use a DNS server like 1.1.1.1 or OpenDNS or other "private" DNS server on all networks EXCEPT my home one. This is because I have PiHole enabled on my home network to block ads and ...
0
votes
0answers
65 views

Windows 10 LAN or WiFi networking gets 169.xxx address on DHCP or static

Surface Pro 4. Windows 10 1709 16299.251Looking at the above device for a friend. When connecting to network on WiFi it asks for key instantly, and when type in, attempts to connect and then comes ...
0
votes
0answers
356 views

How do I setup my Asus RP-AC68U in express way?

I have two Asus devices, the RT-AC66U and the RP-AC68U.I have setup the RP as in the 2.4GHz Express Way setup so that I can extend my 5GHz network and hopefully use the RP's LAN ports for some other ...
0
votes
0answers
21 views

Dhcpd service is not doing anything when DHCP offers arrive

So we are trying to use dhcp on a pair of devices, but dhcpd isn't sending offers sometimes. We have used the configs for both the dhcpd and dhclient in the past without problems.I looked at tcpdump ...
2
votes
1answer
61 views

Get DNS server from DHCP options without lease

I'm configuring dnsmasq, and need to know the IPs for the upstream nameservers. The DHCP server does set them via option 6 for DHCP clients, but the dnsmasq server does not use this DHCP server.Is ...
0
votes
1answer
62 views

What can cause a switch to change it's MAC address?

I am puzzled as a part-time/hobbyist network manager why some HP 1910-24G switches' MAC addresses have suddenly changed to something else that they are supposed to be, as written on their factory-...
0
votes
1answer
40 views

dnsmasq: forward local domain when not on dhcp

I have a dnsmasq server running on my router, which handles both dhcp and dns (caching, forwarding). I configured my local domain: domain=example.com.I can resolve local dhcp hostnames:dig +short ...
1
vote
1answer
20 views

What causes different capitalisation and additions like .local in advertised host names?

I have two Raspberry Pi boards running Linux (Raspbian). Their being totally identical gets me confused when I see their advertised host names:The first is kitchen.local;the second BATHROOM.The ...
0
votes
1answer
35 views

VLAN tagging for single IP's

I have a large number of computers whose MAC addresses I do not have in advance. At a time, I will connect a buch of them to a switch and each should get an IP from a DHCP server. I like to force ...
0
votes
0answers
36 views

3 ubuntu machines lose eth-connection (and IP) synchronously after some hours

Setup:some 40-port switches (unmananged) - ip range 192.168.10.x - 255, 192.168.10.1-50 DHCP reserved (~30 used), 51-255 Static IP range (~200 used)one brand new 8 port (unmanaged) switch - 3 ...
0
votes
1answer
32 views

NetworkManager to keep trying requesting DHCP

My home router didn't have power for some time. My desktop PC is connected by an Ethernet cable to this router, with a switch in the middle. As a result of power failure, the desktop lost its DHCP ...
0
votes
1answer
52 views

isc-dhcpd-server - correct subnet and netmask setting but assigned IP and netmask (ifconfig) different

A colleague of mine is currently trying to fix an issue with a Raspberry Pi 3 machine (latest Rasbian). The isc-dhcpd-server runs without any issues on another similar setup. Inside the /etc/dhcp/...
0
votes
0answers
71 views

DHCP server gives leases to WAN interface clients

Good afternoon all:Here is the relevant infrastructure setup I'm using:Modem--->Router-->Router (192.168.1.1)-->wireless bridge (ddwrt; static 192.168.1.254)-->Proxmox Server (static 192.168.1.101)...
0
votes
0answers
29 views

fix ICS enables APIPA IP overwrite

Failing to establish an ssh connection from a MacBook Pro running high sierra to a raspberrypi running stretch lite via USB when an APIPA IP overwrites my desired IP after enabling ICS from the ...
0
votes
0answers
23 views

Windows 10 was leased an IP address but doesnt have an internet connetion?

Have a windows 10 pro laptop. Router is pfsense. The laptop has a leased IP address.Gateway is 10.12.1.1Leased IP is 10.12.1.17 for the laptop.It can connect and ping the LAN but it cant ...

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