Re: DHCP Problem

On Mon, 4 Dec 2023 05:55:50 +0100 wrote: > Wait a sec: before the clients get an answer from the DHCP server, > they don't have any route (at least not for the network in question), > so it doesn't make sense poking at them with ip route and things. > They send their request to the local

Re: DHCP Problem

On Sun, Dec 03, 2023 at 12:30:53PM -0700, Charles Curley wrote: > I am installing a new router which seems to work well so far. > > I have changed the DHCP server to use the new router's address, and shut > the server down and restarted it. Existing clients insist on using the > old router

Re: DHCP Problem, but where

On Sun, 3 Dec 2023 22:32:59 -0500 Jeffrey Walton wrote: > The "restart your dhcp clients" may have a sharp edge. Sometimes the > clients have a touch of resiliency or hardening added so they contact > their original dhcp server, and not a [possibly] rogue server setup by > an unknowing developer

Re: DHCP Problem

On Sun, 3 Dec 2023 12:30:53 -0700 Charles Curley wrote: > I am installing a new router which seems to work well so far. > > I have changed the DHCP server to use the new router's address, and > shut the server down and restarted it. Existing clients insist on > using the old router anyway. Is

Re: DHCP Problem, but where

On Sun, Dec 3, 2023 at 9:57 PM jeremy ardley wrote: > > > On 4/12/23 05:18, Geert Stappers wrote: > > That triggered me to ask "Has the DHCP server been restarted?" > > > The default behaviour of most dhcp clients when they can't connect to a > dhcp server is to maintain the settings from any

Re: DHCP Problem, but where

On Sun, 3 Dec 2023 22:18:22 +0100 Geert Stappers wrote: > Has the DHCP server been restarted? Yes. -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/

Re: DHCP Problem, but where

On 4/12/23 05:18, Geert Stappers wrote: That triggered me to ask "Has the DHCP server been restarted?" The default behaviour of most dhcp clients when they can't connect to a dhcp server is to maintain the settings from any previous lease. A second default behaviour is for clients to not

Re: DHCP Problem

On Sun, 3 Dec 2023 20:56:20 +0100 Marco Moock wrote: > Did you check with a sniffer that the answer from the DHCP includes > the new router address? Not with a sniffer, but I did check the lease file. Neither the router address nor the various lease times changed. -- Does anybody read

Re: DHCP Problem, but where

On Sun, Dec 03, 2023 at 04:03:39PM -0500, Henning Follmann wrote: > > On Dec 3, 2023, at 14:31, Charles Curley wrote: > > > > I am installing a new router which seems to work well so far. > > > > I have changed the DHCP server to use the new router's address, and shut > > the server down and

Re: DHCP Problem

> On Dec 3, 2023, at 14:31, Charles Curley > wrote: > > I am installing a new router which seems to work well so far. > > I have changed the DHCP server to use the new router's address, and shut > the server down and restarted it. Existing clients insist on using the > old router anyway.

Re: DHCP Problem

Am 03.12.2023 um 12:30:53 Uhr schrieb Charles Curley: > I have changed the DHCP server to use the new router's address, and > shut the server down and restarted it. Existing clients insist on > using the old router anyway. Is there any way to goose clients into > using the new one short of

Re: dhcp-proxy con dnsmasq

El 2023-01-20 a las 14:28 +0100, trujo escribió: > El jue, 19-01-2023 a las 20:38 +0100, Camaleón escribió: > > El 2023-01-19 a las 13:49 +0100, trujo escribió: > > > > > Estoy intentando ponerlo en marcha (con debian estable). > > > la red en la que esta recibe ipes desde un relay situado en el

Re: dhcp-proxy con dnsmasq

El jue, 19-01-2023 a las 20:38 +0100, Camaleón escribió: > El 2023-01-19 a las 13:49 +0100, trujo escribió: > > > Estoy intentando ponerlo en marcha (con debian estable). > > la red en la que esta recibe ipes desde un relay situado en el > > conmutador. > > Si en el servidor DHCP pongo la opción

Re: DHCP and search list for DNS domains

On Fri 21 Jan 2022 at 13:57:47 (+0100), Steve Keller wrote: > AFAIK, some of my client hosts have only resolvconf, others use some > systemd stuff, since the man page for resolvconf is actually the > man page for resolvectl which also refers to systemd-resolved. The man page for /package/

Re: DHCP and search list for DNS domains

"Markus Schönhaber" wrote: > > AFAICS, there is no option in DHCP to provide the search list. > > From dhcp-options(5): > > >option domain-search domain-list; > > > > The domain-search option specifies a ´search list´ of Domain > > Names to be used by the client

Re: DHCP and search list for DNS domains

On Fri, 21 Jan 2022 13:57:47 +0100 Steve Keller wrote: > With DHCP I can tell a host the DNS server and the domain name of the > network, which is then stored to /etc/resolv.conf. But how can I add > a list a domain names that should be searched when resolving a host > name? root@chaffee:~#

Re: DHCP and search list for DNS domains

21.01.22, 13:57 +0100, Steve Keller: With DHCP I can tell a host the DNS server and the domain name of the network, which is then stored to /etc/resolv.conf. But how can I add a list a domain names that should be searched when resolving a host name? AFAICS, there is no option in DHCP to

Re: DHCP server for other site

On 12/10/2021 6:45 PM, Bonno Bloksma wrote: Hi, I want to move my DHCP servers to my datacenter as I am going to shut down the hypervisor hosts on some locations. [...] And as that is the only interface for the VM the dhcp software wil fail to start. So my solution was to add a few lines

RE: DHCP server for other site

Hi, > I want to move my DHCP servers to my datacenter as I am going to shut down > the hypervisor hosts on some locations. [...] > And as that is the only interface for the VM the dhcp software wil fail to > start. > So my solution was to add a few lines to the config > shared-network

Re: DHCP Linux (dnsmaq) et DNS Windows... la carpe et le lapin ou bien il y a moyen de moyenner ?

Bonjour, Donc en approfondissant le sujet, voici le contournement que je mets en place. Hypothèses/prérequis de départ 1. il faut que le serveur dns windows permette les modifications dynamique => voir avec son admin windows, on verra le pb de l'authentification plus tard... 2. utilisation de

Re: DHCP Linux (dnsmaq) et DNS Windows... la carpe et le lapin ou bien il y a moyen de moyenner ?

Pour ton malheur (vu mon niveau en réseau: quasiment double zéro) je profère mes élucubrations à haute voix, un peu au hasard ;-) peut-être que tu peux récupérer les données de tes fichiers de baux DHCP (je ne sais même pas exactement ce qu'il y a dedans, j'ai jamais monté de serveur DHCP)

Re: dhcp bridge for virtual machines using KVM

On 9/23/20 2:25 AM, Fabien Roucaute wrote: Le 22/09/2020 à 22:57, James Allsopp a écrit : On Tue, 22 Sep 2020 at 17:58, Fabien Roucaute mailto:fabien.rouca...@free.fr>> wrote: Le 22/09/2020 à 18:50, James Allsopp a écrit : > > I've tried that but I get the same result. >

Re: dhcp bridge for virtual machines using KVM

On 9/23/2020 3:14 PM, Fabien Roucaute wrote: Le 23/09/2020 à 13:50, James Allsopp a écrit : Yes, it's a bit odd,but the reason I want to do it like this is that the wifi is pretty fast and the ethernet is constrained by powerline networking to about 50Mbps. However, I can't run a bridge over

Re: dhcp bridge for virtual machines using KVM

Le 23/09/2020 à 13:50, James Allsopp a écrit : > Yes, it's a bit odd,but the reason I want to do it like this is that the > wifi is pretty fast and the ethernet is constrained by powerline > networking to about 50Mbps. However, I can't run a bridge over the wifi, > so I'm trying to run all the

Re: dhcp bridge for virtual machines using KVM

On Tue, 22 Sep 2020 at 22:30, Lucas Castro wrote: > > On 9/22/20 5:54 PM, James Allsopp wrote: > > > > On Tue, 22 Sep 2020 at 19:47, Lucas Castro wrote: > >> >> On 9/22/20 1:26 PM, James Allsopp wrote: >> > Hi, >> > I've got a computer that I'm running debian 10 on with KVM. The >> > machine is

Re: dhcp bridge for virtual machines using KVM

Le 22/09/2020 à 22:57, James Allsopp a écrit : > > > On Tue, 22 Sep 2020 at 17:58, Fabien Roucaute > wrote: > > Le 22/09/2020 à 18:50, James Allsopp a écrit : > > > > I've tried that but I get the same result. > > Thanks > > James > > >

Re: dhcp bridge for virtual machines using KVM

On 9/22/20 5:54 PM, James Allsopp wrote: On Tue, 22 Sep 2020 at 19:47, Lucas Castro > wrote: On 9/22/20 1:26 PM, James Allsopp wrote: > Hi, > I've got a computer that I'm running debian 10 on with KVM. The > machine is connected to a OpenWRT

Re: dhcp bridge for virtual machines using KVM

On Tue, 22 Sep 2020 at 17:58, Fabien Roucaute wrote: > Le 22/09/2020 à 18:50, James Allsopp a écrit : > > > > I've tried that but I get the same result. > > Thanks > > James > > > > You need to answer to the mailing-list email address, not mine. > If it still doesn't work, we need more

Re: dhcp bridge for virtual machines using KVM

On Tue, 22 Sep 2020 at 19:47, Lucas Castro wrote: > > On 9/22/20 1:26 PM, James Allsopp wrote: > > Hi, > > I've got a computer that I'm running debian 10 on with KVM. The > > machine is connected to a OpenWRT router which provides DHCP and DNS > > to the network, via a wifi link used for the

Re: dhcp bridge for virtual machines using KVM

On 9/22/20 1:26 PM, James Allsopp wrote: Hi, I've got a computer that I'm running debian 10 on with KVM. The machine is connected to a OpenWRT router which provides DHCP and DNS to the network, via a wifi link used for the host and an ethernet connection on eth1 used for a bridge Is your

Re: dhcp bridge for virtual machines using KVM

Le 22/09/2020 à 18:50, James Allsopp a écrit : > > I've tried that but I get the same result. > Thanks > James > You need to answer to the mailing-list email address, not mine. If it still doesn't work, we need more information, like the result of the following commands (you should modify the

Re: dhcp bridge for virtual machines using KVM

Le 22/09/2020 à 18:26, James Allsopp a écrit : > Hi, > I've got a computer that I'm running debian 10 on with KVM. The machine > is connected to a OpenWRT router which provides DHCP and DNS to the > network, via a wifi link used for the host and an ethernet connection on > eth1 used for a bridge >

Re: DHCP log different location but warnings in syslog

Hi. On Wed, Dec 12, 2018 at 12:52:58PM +, Bonno Bloksma wrote: > Hi, > > Plenty of examples on-line how to move logging from the isc-dhcp-server to a > different file using something like > log-facility local7; > in the dhcp.conf file and then in my syslog.conf: >

RE: dhcp service problem on stretch

Hi, David, your last info let me correctly purg the dhcp-server environment without recreating a new virtual machine, thanks. > # apt-get purge > with no arguments should do (and did) nothing. It's not like, say, the Vax > purge command where no arguments means Operate On All Files. > So

Re: dhcp service problem on stretch

On Fri 07 Sep 2018 at 09:58:23 (+), Bonno Bloksma wrote: > Ok, did: > # apt-get remove isc-dhcp-server > # apt-get purge > reboot > Hmm, purge did not clean everything so: > # rm /etc/default/isc-dhcp-server > # rm /etc/dhcp/dhcpd* # apt-get purge with no arguments should do (and did)

RE: dhcp service problem on stretch

Hi, >On Thu, Sep 06, 2018 at 05:33:39PM +, Bonno Bloksma wrote: >> Sep 06 17:47:42 linom1 isc-dhcp-server[1668]: Launching both IPv4 and IPv6 >> servers (please configure INTERFACES in /etc/default/isc-dhcp-server if > Please edit the file above and place your network interfaces there. Ok,

Re: dhcp service problem on stretch

On Thu, 6 Sep 2018 17:33:39 + Bonno Bloksma wrote: > Hi, > > Just installed my first stretch server using the 9.5 DVD1, installed > the normal system environment, no desktop just a ssh server, and > added the isc dhcp server. I transferred my original dhcpf.conf file, > stripped what I did

Re: dhcp service problem on stretch

Hi. On Thu, Sep 06, 2018 at 05:33:39PM +, Bonno Bloksma wrote: > It seems the dhcp service does not want to start but I have no idea why. > I have stripped my dhcpd.conf down to barely nothing and a regular test gives > no errors but the service refuses to start, why? ... > Also the

Re: dhcp service problem on stretch

On Thu, Sep 06, 2018 at 05:33:39PM +, Bonno Bloksma wrote: > Sep 06 17:47:42 linom1 isc-dhcp-server[1668]: Launching both IPv4 and IPv6 > servers (please configure INTERFACES in /etc/default/isc-dhcp-server if Please edit the file above and place your network interfaces there. best regards

Re: dhcp service problem on stretch

On Thu, Sep 06, 2018 at 05:33:39PM +, Bonno Bloksma wrote: > Sep 06 17:47:42 linom1 isc-dhcp-server[1668]: /etc/init.d/isc-dhcp-server: > 50: /etc/init.d/isc-dhcp-server: cannot open /etc/dhcp/dhcpd6.conf: No > Sep 06 17:47:42 linom1 isc-dhcp-server[1668]: Launching both IPv4 and IPv6 >

Re: Re: Re: DHCP to static without reboot?

If I use a completely vanilla freshly installed VM (on VirtualBox)...  LXDE, but otherwise standard options: Even a simple "ifdown " with no configuration changes gives inconsistent results.  Three different results so far: 1) Sometimes it SEEMS like it releases the DHCP address, and

Re: DHCP to static without reboot?

On Saturday 25 August 2018 06:02:20 Gene Heskett wrote: > On Saturday 25 August 2018 04:20:51 to...@tuxteam.de wrote: > > On Sat, Aug 25, 2018 at 03:54:32AM -0400, Gene Heskett wrote: > > > > [...] > > > > > I've experienced that on a armbian install on a rock64, it takes > > > sometimes 2 or 3

Re: DHCP to static without reboot?

On Saturday 25 August 2018 04:20:51 to...@tuxteam.de wrote: > On Sat, Aug 25, 2018 at 03:54:32AM -0400, Gene Heskett wrote: > > [...] > > > I've experienced that on a armbian install on a rock64, it takes > > sometimes 2 or 3 powerdown recycles to make a change in e-n-i.d/name > > of interface to

Re: DHCP to static without reboot?

On Saturday 25 August 2018 04:20:51 to...@tuxteam.de wrote: > On Sat, Aug 25, 2018 at 03:54:32AM -0400, Gene Heskett wrote: > > [...] > > > I've experienced that on a armbian install on a rock64, it takes > > sometimes 2 or 3 powerdown recycles to make a change in e-n-i.d/name > > of interface to

Re: DHCP to static without reboot?

On Sat, Aug 25, 2018 at 03:54:32AM -0400, Gene Heskett wrote: [...] > I've experienced that on a armbian install on a rock64, it takes > sometimes 2 or 3 powerdown recycles to make a change in e-n-i.d/name of > interface to stick [...] That sounds a bit like Voodoo. But then, there's Clarke's

Re: DHCP to static without reboot?

On Friday 24 August 2018 23:33:49 Mark Pavlichuk wrote: > ifdown doesn't seem to work.  It seems to complete successfully with > messages about a released DHCP address, but ifconfig shows the > interface is still up, a ping will be returned etc...  Though if I try > another ifdown it will say the

Re: Re: DHCP to static without reboot?

ifdown doesn't seem to work.  It seems to complete successfully with messages about a released DHCP address, but ifconfig shows the interface is still up, a ping will be returned etc...  Though if I try another ifdown it will say the interface is not configured. If I then make configuration

Re: DHCP to static without reboot?

I spoke too soon... I'm getting inconsistent results each time I try...  with things usually not working.  I usually brute-force problems by just exploring every combination of configuration and commands, but something very weird is going on here. Now I'm getting : Job for

Re: DHCP to static without reboot?

Ahh, the problem was the "allow-hotplug" that my interface acquired...  though it's weird that even stopping dhclient and the network daemon didn't stop the interface from bouncing back up (with a DHCP address).  Is there some other daemon I'm unaware of?  (I was experimenting with a fresh

RE: dhcp restart with bad config

Hello Liam and list, >> Today I had a small (big?) problem with the DHCP server. >> When I make any changes I allways do a >> # service isc-dhcp-server >> restart to test the new config. In the past when there was an error in >> the config the service would keep running using the previous

Re: dhcp restart with bad config

On 2017-08-29, Bonno Bloksma wrote: > Hi, > > Today I had a small (big?) problem with the DHCP server. > When I make any changes I allways do a > # service isc-dhcp-server restart > to test the new config. In the past when there was an error in the config the > service would

Re: DHCP server that itself gets an IP address by DHCP

On Fri, Aug 25, 2017 at 10:12:07PM +0900, Mark Fletcher wrote: > However, now, based on your response I am thinking the AirStation is > just forwarding the DNS queries on to the nameservers it is given in > response to its DHCP query, and not actually caching anything... Very likely, yes. >

Re: DHCP server that itself gets an IP address by DHCP

On Fri, Aug 25, 2017 at 08:14:29AM -0400, Greg Wooledge wrote: > On Fri, Aug 25, 2017 at 07:34:16AM +0900, Mark Fletcher wrote: > > On Thu, Aug 24, 2017 at 04:39:13PM -0400, Greg Wooledge wrote: > > > I strongly recommend just running your own caching DNS resolver on the > > > DHCP server host.

Re: DHCP server that itself gets an IP address by DHCP

On Fri, Aug 25, 2017 at 07:28:00AM +0900, Mark Fletcher wrote: > And, is dhclient a separate piece of software from systemd.networkd? Yes.

Re: DHCP server that itself gets an IP address by DHCP

On Fri, Aug 25, 2017 at 07:34:16AM +0900, Mark Fletcher wrote: > On Thu, Aug 24, 2017 at 04:39:13PM -0400, Greg Wooledge wrote: > > I strongly recommend just running your own caching DNS resolver on the > > DHCP server host. ISP nameservers are often slow and unreliable. > > OK, thanks for the

Re: DHCP server that itself gets an IP address by DHCP

Hi. On Fri, 25 Aug 2017 07:28:00 +0900 Mark Fletcher wrote: > On Thu, Aug 24, 2017 at 11:35:25PM +0300, Reco wrote: > > On Thu, 24 Aug 2017 22:21:04 +0200 > > Pascal Hambourg wrote: > > > > > Le 24/08/2017 à 11:30, Reco a écrit : > > > > >

Re: DHCP server that itself gets an IP address by DHCP

On Thu, Aug 24, 2017 at 04:39:13PM -0400, Greg Wooledge wrote: > On Thu, Aug 24, 2017 at 10:21:04PM +0200, Pascal Hambourg wrote: > > Le 24/08/2017 à 11:30, Reco a écrit : > > > > > > Somewhat hackish, but straightforward way to achieve this is to redirect > > > DNS requests from your LAN to

Re: DHCP server that itself gets an IP address by DHCP

On Thu, Aug 24, 2017 at 11:35:25PM +0300, Reco wrote: > On Thu, 24 Aug 2017 22:21:04 +0200 > Pascal Hambourg wrote: > > > Le 24/08/2017 à 11:30, Reco a écrit : > > > > > > Somewhat hackish, but straightforward way to achieve this is to redirect > > > DNS requests from

Re: DHCP server that itself gets an IP address by DHCP

On Thu, Aug 24, 2017 at 10:21:04PM +0200, Pascal Hambourg wrote: > Le 24/08/2017 à 11:30, Reco a écrit : > > > > Somewhat hackish, but straightforward way to achieve this is to redirect > > DNS requests from your LAN to correct DNS. Something like this should do > > the trick: > > Not so

Re: DHCP server that itself gets an IP address by DHCP

Hi. On Thu, 24 Aug 2017 22:21:04 +0200 Pascal Hambourg wrote: > Le 24/08/2017 à 11:30, Reco a écrit : > > > > Somewhat hackish, but straightforward way to achieve this is to redirect > > DNS requests from your LAN to correct DNS. Something like this should do >

Re: DHCP server that itself gets an IP address by DHCP

Le 24/08/2017 à 11:30, Reco a écrit : Somewhat hackish, but straightforward way to achieve this is to redirect DNS requests from your LAN to correct DNS. Something like this should do the trick: Not so straightforward because you still need to get the ISP's DNS and update the iptables rules

Re: threading, was Re: DHCP server that itself gets an IP address by DHCP

Hi. On Thu, 24 Aug 2017 08:25:16 -0500 David Wright wrote: > On Thu 24 Aug 2017 at 12:30:35 (+0300), Reco wrote: > > Hi. > > > > In-Reply-To: <20170824074515.y4z2ummdigk2fcbn@kazuki.local> > > > [...] > > If you type: > > : > set edit_headers >

Re: DHCP server that itself gets an IP address by DHCP

On 8/24/17 3:45 AM, Mark Fletcher wrote: > Hello the list! > > [I suppose this is a little bit OT -- but you guys are the best > concentration of experts I know, so here goes anyway...] > > My local network consists of a bunch of Debian machines of various ages, > various iDevices, and the odd

threading, was Re: DHCP server that itself gets an IP address by DHCP

On Thu 24 Aug 2017 at 12:30:35 (+0300), Reco wrote: > Hi. > > In-Reply-To: <20170824074515.y4z2ummdigk2fcbn@kazuki.local> > [...] If you type: : set edit_headers you should get the headers included in your composition window, and you can then stick the In-Reply-To: amongst its

Re: DHCP server that itself gets an IP address by DHCP

Hi. In-Reply-To: <20170824074515.y4z2ummdigk2fcbn@kazuki.local> On Thu, Aug 24, 2017 at 04:45:15PM +0900, Mark Fletcher wrote: > Is there any clever way to pass through the name server settings > the DHCP server provides, so that if the ISP should change its name > server IP addresses

Re: dhcp and iptables

On Tue, Aug 15, 2017 at 07:07:41PM +1000, Zenaan Harkness wrote: > On Tue, Aug 15, 2017 at 10:42:42AM +0200, Pascal Hambourg wrote: > > Le 15/08/2017 à 10:03, Bonno Bloksma a écrit : > > > > > > Can someone help me to understand this? Why does DHCP work when the > > > iptable lines looks like in

Re: dhcp and iptables

Le 15/08/2017 à 11:07, Zenaan Harkness a écrit : On Tue, Aug 15, 2017 at 10:42:42AM +0200, Pascal Hambourg wrote: DHCP software usually use the raw network interface, by-passing the IP stack and iptables rules. Would one "configure" DHCP firewalling with ebtables ebtables works only on a

Re: dhcp and iptables

On Tue, Aug 15, 2017 at 10:42:42AM +0200, Pascal Hambourg wrote: > Le 15/08/2017 à 10:03, Bonno Bloksma a écrit : > > > > Can someone help me to understand this? Why does DHCP work when the iptable > > lines looks like in the first example > > DHCP software usually use the raw network

Re: dhcp and iptables

Le 15/08/2017 à 10:03, Bonno Bloksma a écrit : Can someone help me to understand this? Why does DHCP work when the iptable lines looks like in the first example DHCP software usually use the raw network interface, by-passing the IP stack and iptables rules.

Re: DHCP isn't updating DNS

> You should consider moving towards "standard", but "interim"'s not a > problem for now. > https://deepthought.isc.org/article/AA-01091/0/ISC-DHCP-support-for-Standard-DDNS.html I've actually made a few changes since I've posted this in trying to figure this out and I did change to standard.

Re: DHCP isn't updating DNS

On Tue, Jul 25, 2017 at 10:43:45AM -0600, Joshua Schaeffer wrote: I'm having trouble getting my DHCPv6 server to update DNS and I'm not sure what I'm missing. From what I can tell I have everything setup and have tried numerous changes to the config file without success. Here is my

Re: DHCP failure (was Re: Unidentified subject!)

Op Thu, 29 Sep 2016 01:18:02 +0200 schreef Dan Ritter : On Wed, Sep 28, 2016 at 03:30:04PM -0700, hol...@cox.net wrote: Clean install of deb8 (jessie)on my Thinkpad T4220i laptop. went well except for the fact that the network configuration with DCP failed. I was

Re: DHCP seguro (portal cautivo o similar)

El 01/07/16 a las 19:17, Leo Perez escribió: Hola Grupo. Les dejo una nueva consulta, en este momento en la red de mi empresa tenemos un server DHCP. Esto genera comodidad para los equipos nuevos pero tiene la contra que cualquiera que "enchufe" un equipo a la red ya queda conectado. Al

RE: DHCP seguro (portal cautivo o similar)

> El Fri, 01 Jul 2016 19:17:21 -0300, Leo Perez escribió: > >> Hola Grupo. > > Ese formato... > >> Les dejo una nueva consulta, en este momento en la red de mi empresa >> tenemos un server DHCP. >> >> Esto genera comodidad para los equipos nuevos pero tiene la contra que >> cualquiera que

Re: DHCP seguro (portal cautivo o similar)

El Fri, 01 Jul 2016 19:17:21 -0300, Leo Perez escribió: > Hola Grupo. Ese formato... > Les dejo una nueva consulta, en este momento en la red de mi empresa > tenemos un server DHCP. > > Esto genera comodidad para los equipos nuevos pero tiene la contra que > cualquiera que "enchufe" un equipo

Re: DHCP seguro (portal cautivo o similar)

En los router tenes una parte que dice mac, para que pongas las mac un están habilitadas a conectarse a tu empresa. http://askubuntu.com/questions/392599/how-to-reserve-ip-address-in-dhcp-server http://www.cyberciti.biz/tips/iptables-mac-address-filtering.html

Re: DHCP seguro (portal cautivo o similar)

El día 1 de julio de 2016, 17:17, Leo Perez escribió: > Hola Grupo. Hola > > Les dejo una nueva consulta, en este momento en la red de mi empresa tenemos > un server DHCP. > > Esto genera comodidad para los equipos nuevos pero tiene la contra que > cualquiera que

Re: DHCP not working for attempted Jessie install

OK, a little more info. It seems at least part of the issue is the Atheros wireless. With Wheezy installed, when I boot with kernel 3.2.0-4-amd64 I get a few dozen repeats of the following message: ath: Could not stop RX, we could be confusing the DMA engine when we start RX up and I cannot

Re: dhcp and foreign ip

Joe wrote: Pol Hallen wrote: Sometimes I see inside the arp table (from wlan0) a strange IP like: 10.168.245.246 or similar what does it mean? Could be a PC with static IP goes inside my lan (via wireless) or what? Yes. A WAP may relay packets before it knows that the sender is

Re: dhcp and foreign ip

Let's put it this way: in a network belonging to one of my clients, I often see DHCP addresses being handed out to machines that do not belong in the network, but there is never a sign of any further use of those addresses. There is certainly a strong WPA2 passphrase set there. it's clear Joe,

Re: dhcp and foreign ip

On Mon, 02 Mar 2015 18:56:46 +0100 Pol Hallen de...@fuckaround.org wrote: Hi all :-) An easy environment: 1 server 2 lans: 192.168.1.0 - local lan1 192.168.2.0 - local wlan0 only one dhcp server manages these 2 lans Sometimes I see inside the arp table (from wlan0) a strange IP

Re: dhcp cliente pide muy seguido ip al server

El Wed, 22 Oct 2014 16:49:47 -0500, Alejandro G Sánchez martínez escribió: Tengo un server con debian, esta por dhcp y tengo un server que els el dhcp este atiendo com a 120 equipos, todo bien pero este server con deian esta pide y pide una ip cada 30 segundo, el server dhcp entrega la ip

Re: DHCP: máquinas que consumen dos ips

El Fri, 17 Oct 2014 20:23:54 +0200, José Miguel (sio2) escribió: El Fri, 17 de Oct de 2014, a las 04:22:22PM +, Camaleón dijo: Con la opción b) puedes decirle que envíe como UID la dirección MAC editando manualmente el campo desde los clientes lo que a todos los efectos sería como si

Re: DHCP: máquinas que consumen dos ips

El Thu, 16 Oct 2014 21:35:26 +0200, José Miguel (sio2) escribió: El Thu, 16 de Oct de 2014, a las 06:07:37PM +, Camaleón dijo: Sí, eso está claro, pero estamos hablando de tu caso donde además necesitas una configuración muy concreta y donde sí controlas los clientes y puedes elegir

Re: DHCP: máquinas que consumen dos ips

El Fri, 17 de Oct de 2014, a las 04:22:22PM +, Camaleón dijo: Con la opción b) puedes decirle que envíe como UID la dirección MAC editando manualmente el campo desde los clientes lo que a todos los efectos sería como si sólo se le enviara un dato,o al menos als ervidor sólo le llegaría

Re: DHCP: máquinas que consumen dos ips

El Tue, 14 de Oct de 2014, a las 02:01:16PM +, Camaleón dijo: Pero ahí no dice que el uso único de MAC como identificador vulnere ninguna especificación ni normativa, sólo avisa de que ese valor no es fiable y puede cambiar por lo que recomiendan (MAY) usar otro sistema. De hecho dice

Re: DHCP: máquinas que consumen dos ips

El Thu, 16 Oct 2014 18:27:37 +0200, José Miguel (sio2) escribió: El Tue, 14 de Oct de 2014, a las 02:01:16PM +, Camaleón dijo: Pero ahí no dice que el uso único de MAC como identificador vulnere ninguna especificación ni normativa, sólo avisa de que ese valor no es fiable y puede

Re: DHCP: máquinas que consumen dos ips

El Thu, 16 de Oct de 2014, a las 06:07:37PM +, Camaleón dijo: Sí, eso está claro, pero estamos hablando de tu caso donde además necesitas una configuración muy concreta y donde sí controlas los clientes y puedes elegir enviar el valor que prefieras (UID o MAC). Y además, puedes

Re: DHCP: máquinas que consumen dos ips

El Mon, 13 Oct 2014 21:52:21 +0200, José Miguel (sio2) escribió: El Mon, 13 de Oct de 2014, a las 05:39:34PM +, Camaleón dijo: ¿Qué es lo que viola el protocolo? ¿Que se identifique al equipo por la MAC en lugar del identificador? ¿Dónde has leído eso? :-? Pues no recuerdo bien

Re: DHCP: máquinas que consumen dos ips

El Sun, 12 de Oct de 2014, a las 09:02:12PM +, Camaleón dijo: ¿Por algún motivo en particular? Dadas las restricciones que tienes con la asignación de las IP sería lo más lógico ¿no? :-? Es una larga historia: las configuración del DHCP no la hago directamente, sino a través de un script.

Re: DHCP: máquinas que consumen dos ips

El Mon, 13 Oct 2014 17:14:10 +0200, José Miguel (sio2) escribió: El Sun, 12 de Oct de 2014, a las 09:02:12PM +, Camaleón dijo: ¿Por algún motivo en particular? Dadas las restricciones que tienes con la asignación de las IP sería lo más lógico ¿no? :-? Es una larga historia: las

Re: DHCP: máquinas que consumen dos ips

El 13/10/2014 17:53, Camaleón noela...@gmail.com escribió: El Mon, 13 Oct 2014 17:14:10 +0200, José Miguel (sio2) escribió: El Sun, 12 de Oct de 2014, a las 09:02:12PM +, Camaleón dijo: ¿Por algún motivo en particular? Dadas las restricciones que tienes con la asignación de las IP

Re: DHCP: máquinas que consumen dos ips

El Mon, 13 de Oct de 2014, a las 03:52:14PM +, Camaleón dijo: Si ya lo tienes todo hecho, sólo tendrías que añadir la IP en cada host que quieras que tenga una asignación fija, p. ej.: host pc05-vlan9 { hardware ethernet 00:11:22:33:44:55; ddns-hostname pc05;

Re: DHCP: máquinas que consumen dos ips

El Mon, 13 Oct 2014 19:23:24 +0200, José Miguel (sio2) escribió: El Mon, 13 de Oct de 2014, a las 03:52:14PM +, Camaleón dijo: Si ya lo tienes todo hecho, sólo tendrías que añadir la IP en cada host que quieras que tenga una asignación fija, p. ej.: host pc05-vlan9 { hardware

Re: DHCP: máquinas que consumen dos ips

El Mon, 13 de Oct de 2014, a las 05:39:34PM +, Camaleón dijo: ¿Qué es lo que viola el protocolo? ¿Que se identifique al equipo por la MAC en lugar del identificador? ¿Dónde has leído eso? :-? Pues no recuerdo bien (incluso quizás me lo he inventado o lo me malinterpretado), así que me he

Re: DHCP: máquinas que consumen dos ips

El Sat, 11 Oct 2014 23:30:20 +0200, José Miguel (sio2) escribió: Un saludo a la lista: Tengo un pequeño problema, del que creía haber hallado la solución, pero que no me acaba de funcionar. Resulta que hay una serie de máquinas que he metido en un rango de ips, de manera que hay el mismo

Re: DHCP: máquinas que consumen dos ips

El Sun, 12 de Oct de 2014, a las 11:45:06AM +, Camaleón dijo: En ese caso quizá te convenga repartir las IP de manera estática (fixed- address) usando DHCP para evitar que haya duplicados y así te olvidas del problema. Sé que esa es una solución posible, pero me gustaría no tener que

Re: DHCP: máquinas que consumen dos ips

El Sun, 12 Oct 2014 21:04:33 +0200, José Miguel (sio2) escribió: El Sun, 12 de Oct de 2014, a las 11:45:06AM +, Camaleón dijo: En ese caso quizá te convenga repartir las IP de manera estática (fixed- address) usando DHCP para evitar que haya duplicados y así te olvidas del problema.

Re: DHCP quickie

On 04/03/2014 12:32, Danny wrote: Hi Guys, Is it possible to only give leases at a certain time of day for a certain IP or MAC? Say from 06:00 till 10:00 and then from 18:00 till 22:00? Just wondering Thank You Danny Need some more information about what you're trying to do

Re: DHCP quickie

Danny dannydeb...@gmail.com writes: Is it possible to only give leases at a certain time of day for a certain IP or MAC? Say from 06:00 till 10:00 and then from 18:00 till 22:00? I guess you could probably have a couple of different dhcpd configuration files and set a cron job on that

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