Questions tagged [dhcp]
Dynamic Host Configuration Protocol; allows computers on the same network to automatically obtain unique IP addresses and other network configuration parameters.
1,670
questions
-3
votes
1
answer
303
views
No Internet access with DHCP, static IP is fine [duplicate]
I have a setup with:
Main router provides internet, 192.168.1.1.
An access point bridge mode, connected to the main router via wireless WAN, Radio mode: Repeater.
And the second access point ...
- 1
0
votes
0
answers
207
views
Windows 10 using wrong DNS server
I have a local DNS server. My router is configured to provide both IPv4 and IPv6 addresses of the local DNS server, but regardless, the DHCP server is also the DNS server so AFAIK the router plays no ...
- 101
0
votes
0
answers
450
views
How to setup two routers seamlessly without having double NAT
I have two wireless routers, a generic one provided by ISP which is GPON ONU/Wireless router and a TP-Link.
I need an upgrade because the generic one provided by the ISp unfortunately has several ...
- 101
0
votes
0
answers
98
views
Block DHCP ports between two routers
I have two building networks connected with a wireless bridge. Both on the same subnet, but both have there own router, gateway, internet, etc. My old wireless bridge had a firewall, so I could block ...
- 1,362
0
votes
0
answers
80
views
Singe NIC Router/Gateway and DHCP server bootps safe with WAN access?
I have my Pi running debian acting as a DHCP/DNS server, I want to enable it as a gateway/router for NAT loopback/hairpinning to enable the public IP to be resolvable within the LAN which my default ...
- 1
1
vote
0
answers
94
views
Router repeatedly singling out one Windows 11 machine for DHCP renewal and causing brief network interruptions
I have a Windows 11 machine which disconnects from the wired network for 5-ish seconds multiple times per day, sometimes multiple times within a few minutes or every 15 minutes or so. It's accompanied ...
- 1,946
0
votes
1
answer
179
views
Router only allows to reserve 16 static IPs. How to reserve more?
I have a Huawei HG8245X6-10 router, given to me by my provider. All is fine, except that it can only reserve up to 16 static IPs. Since I have a couple of servers and many IoT devices, I need more.
I ...
- 101
0
votes
1
answer
895
views
How to resolve issues with IPv6 via PPPoE
I am facing issues that I cannot wrap my head around related to IPv6 and PPPoE connections.
I have a server connected to a Netgear router with WAN connected to ISP and server connected to LAN port. I ...
- 131
0
votes
0
answers
190
views
How to configure DHCP server rules to assign different IP ranges for different racks
I want to configure DHCP server rules such that different racks are assigned different IP ranges. Every rack has around 20 servers and there are 10 racks, how do I configure DHCP server such that ...
0
votes
1
answer
177
views
DHCP server clock isn't sync with current date; would it affect leases with a 0 (infinite) duration?
I have a question regarding DHCP server where the clock of the server isn't set to the current date?
All the leases are set to infinite, now when the DHCP server time is synced using NTP to the ...
0
votes
1
answer
121
views
systemd-networkd, DHCPv6 lease - On debian 10 and above, unable to find org.freedesktop.network1.Manager in busctl output
I need to extract DHCPV6 lease information and from systemd-networkd's code it seems like DHCPV6 lease is not stored on disk, but is exported via DBUS using org.freedesktop.network1.Manager node.
...
- 1
0
votes
1
answer
26
views
How can I configure a MI424WR wireless router to provide specified DNS servers to DHCP clients?
I have a MI424WR wireless router. How can I configure it to provide specified DNS servers to DHCP clients so that they use my internal DNS server, instead of the routers built-in DNS server?
- 1,301
0
votes
1
answer
33
views
How to configure a MI424WR wireless router to always assign a host the same IP via DHCP?
I have a MI424WR wireless router. How can I configure it to always assign the same IP address to a given host on my network, so that the host effectively has a static IP address?
- 1,301
0
votes
1
answer
236
views
libvirt/qemu network guest dhclient 10.0.2.15 instead of 192.168.122.2
On the redhat host, virbr0 is up and libvirt's network is configured as nat for 192.168.122.2-254 (and recently added rule specifically to assign 192.168.122.2). but dhclient with the ubuntu VM gets ...
- 101
0
votes
1
answer
298
views
block RFC1918 networks in pFsense for LAN seems not to work
Description of the issue: I've created a rule inside pFsense to block any traffic directed at RFC1918 originating from my OPT1 network, and it works fine. Now when I open terminal on OPT1 network PC I ...
