CentOS 5 Server :: Ddns Update With Dhcp Don't Work?

Jul 27, 2010

i've installed bind and dhcp. I'd like to update dns automatically by dhcp. For the reverse-lookup-zone everything works fine. But for the forward-lookup-zone there is still the message denied. But i cannot see a mistake.

dhcp:
#
#
# DHCP Server Configuration file.

[Code]....

View 8 Replies


ADVERTISEMENT

Debian Configuration :: Bind - DHCP And DDNS ?

Jul 14, 2011

DHCP I have working, so is BIND.

I'm trying to get dynamic dns working and am having issues

I suspect this maybe a chroot issue.

I've tried to follow the chroot advise within the wiki for Bind but no joy.

View 6 Replies View Related

CentOS 5 Networking :: Make A DHCP Server Work On 5.4 Box?

May 13, 2010

I'm trying to make a DHCP server work on my CentOS 5.4 box, but I have placed it on another subnet than the one that it is going to serve. I use a helper address on my router to make the the DHCP requests being routed to the DHCP server on the other subnet.

dhcpd.conf file:
ddns-update-style interim
ignore client-updates
ubnet 10.160.195.160 netmask 255.255.255.224

[code]...

View 8 Replies View Related

Debian Configuration :: DDNS (dhcp+bind9) - Wrong PTR Records In Reverse Zone?

Jun 3, 2011

I've configured my dhcp server to update dynamically the DNS zones of BIND9 name server. Everything works ok, except for reverse nslookup:

nslookup 10.141.50.3
Server:127.0.0.1
Address:127.0.0.1#53

[code]....

View 2 Replies View Related

Networking :: New Install Of Centos 5.5 Will Not Work On Net Work With Fixed IP Or DHCP

Jan 12, 2011

I am trying to set up an unused machine as a web server for my students.

I originaly tried with Redhat 9 and had the same problems. I am using an HP Pentium 4 system with 2 network cards.

1) The built in Realtek RTL8139 configured as eth0.

2) An add in Broadcom BCM5782 Gigabit card that was added I presume when the built in card failed (we have a number of machines like this around the school), configured as eth1.

I did not realize the second card was installed when I had Red hat 9 on the system, but I discovered it after installing centos 5.5. I have tried to configure the system to use DHCP with and without getting the DNS from the provider, and both ways the system complains that there is no connection, check the cable, so it will not activate the device.

When I configure the device to use a fixed IP, I can configure the device, but I can't ping anything on the network other than myself. I suppose it is possible that both network cards have failed, but I get green link lights with both cards, when I connect them to my router, so I am at a loss as to why neither board seems to work. I don't have a spare network card to slide in because the computer takes a special mini card. Is there an easy way to test the board to see if the board is a problem?

View 2 Replies View Related

Ubuntu Servers :: Update DDNS For Fixed-address Hosts?

Apr 3, 2011

I have DDNS configured and working for dynamic addresses, but it's not quite right for static addresses yet. The DHCP server assigns the static address, but it doesn't update the DNS sever with the associated host name. Which means I have to use the IP address when accessing the host instead of the host name. How can I get the DHCP server to update the DNS with the host name associated with the fixed-address?Here is my current dhcpd.conf.

Code:
ddns-update-style interim;
ignore client-updates;

[code]....

View 2 Replies View Related

CentOS 5 Networking :: DHCP Work But Not Able To Setup Static IP?

May 26, 2010

I am having several boxex with centos on it. No pb. I have recently setup a new box with centos 5.4 and I am not able to get the network working on it when configuring a static ip.I've configured eth0 and dns using "setup": unsuccessfulI've used the network config GUI: unsuccessfulAnd it is working very well when I let the dhcp getting the setting.I need a static IP.Here is the getinfo output when static ip setup, and below it, the getinfo for dhcp setting

== BEGIN uname -rmi ==
2.6.18-194.3.1.el5 i686 i386
== END uname -rmi ==

[code]....

View 3 Replies View Related

Server :: Login Page Enough To Work Dhcp Server?

Nov 4, 2010

\Actually i lost the login details of my server so im recovering it in rescue mode.what i want to ask here is if i restarted my server what i need to do in order to work as it was before.on my server samba and dhcp server is configured.will my client users can access there network if login page comes or i need to do something else such as restarting services or not.

View 1 Replies View Related

Server :: Getting The DDNS Configuration In RHEL 5.2?

May 18, 2011

Friends i got an opertunity to configure ddns in my office.I already configured staic dns in linux, but this is the first time iam configuring ddns.I just configured ddns in rhel 5.2 in my office.So far every thing working fine,dhcp is giving ip address to the clients and both forward and reverse dns database is updating.

1) In windows we can use flushdns and registerdns commands to update the dns database, like this any command is in linux to update client details in dns database?

2)how to restrict multiple client entries keeping in dhcp database.

3)if i change client hostname it is not updating the dns database,it is keeping the old one.

View 8 Replies View Related

Server :: DHCP DNS Integration Still Does Not Work?

Feb 5, 2010

I have read a lot of threads about this topic and tried everything as best of my knowledge but I still can not make it to work.Need specific directions on whats wrong, missing or how to debug the problem.Here is the DHCP error:

14:49:05 Unable to add forward map from service2.example.com. to 192.168.1.150: timed out
14:49:05 DHCPREQUEST for 192.168.1.150 from 00:04:75:d3:9f:27 (service2) via ETH02
14:49:05 DHCPACK on 192.168.1.150 to 00:04:75:d3:9f:27 (service2) via ETH02

[code]....

View 14 Replies View Related

Server :: DHCP Server On CentOS 5.5 Not Working - When Connect Any Devices To Eth1 They Don't Get Any IP

Dec 2, 2010

I'm no expert on DHCP. My problem is that i have a CentOS 5.5 server on which i want to install a DHCP server. I have two NICs where eth0 has access to the internet and where eth1 should act as an DHCP server.

I have installed dhcpd and this is how my dhcpd.conf file looks like.

Code:

ifconfig looks like this

Code:

When i start dhcpd on eth1 i get no error messages but when i connect any devices to eth1 they don't get any IP. I cant find anything in any logs about devices trying to get an IP address. I dont have any firewall rules in iptables.

View 4 Replies View Related

Server :: Ddns Reverse Zone Updates Add Subdomain Twice To Each Entry?

Mar 8, 2011

I've run into a strange issue with a DHCP/DDNS setup whereby when the DHCP server asks the DNS server to add a new host, the forward map is added correctly but the reverse map has the subdomain added twice (e.g. 192.168.25.192.168.25.250)I'm running ISC DHCPd version 3.0.1 and BIND version 9.2.3 on SuSE 9.2 - 32bit.Here is my dhcpd.conf file:

# dhcpd.conf
authoritative;
include "/etc/named.keys";

[code]....

View 2 Replies View Related

Networking :: Configure Dhcp Server On Centos?

Feb 9, 2010

how to configure DHCP server on centos linux and how to configure FTP server on centos linux

View 2 Replies View Related

CentOS 5 Networking :: Can't Ping DHCP Server Even Was Able To Get An IP From It

May 7, 2010

I have installed Centos 5 on a virtual machine (esx4i). I set it to obtain an IP address from the DHCP sever, which is a broadband router, it has been given an IP address of 10.10.11.159 the router is 10.10.11.1 but I can't ping the router and I can't get any access to the network! I have a SCO Openserver server on the same physical box and it works fine so I know the network card & cable is ok.

View 9 Replies View Related

CentOS 5 :: Install To NFS Root On DHCP Server

Aug 25, 2010

I would like to install CentOS 5 to a NFS root. My NFS server is not CentOS. Is there a way to tell Anaconda to use NFS for root? Is there a way to mount some NFS space at /mnt/sysimage and get Anaconda to use it? I supposed it should be possible to either move an already installed CentOS system to NFS and rebuild initrd with a rescue boot or it might be possible to do a manual install using rpm directly to install the packages onto some NFS space. The first would require a local disk temporarily. The latter would be an excessive bunch of tedious work.

View 3 Replies View Related

General :: NETWORKING: Assign Domain To Point To DDNS For Mail Server?

Feb 25, 2010

I was thinking about setting up my own mail server. Problem is my ISP will not let me have a static IP unless I upgrade to a Business class service which is just too expensive for home use. As a work around I use a DDNS service from Dlink, which is actually done via DYNDNS.com. So essentially I have mydomain.dlinkddns.com point to my Dynamic WAN IP, and it is all automatically managed by my router.

Is there a way I can haveoint to my mail server without it being a subdomain of my DDNS om)? In other words I would like to have the email someone@mymaildomain.com and not have it be dlinkddns.com or something like that. I know someone has done it, I just have never done it. Not quite sure what to google to find the answer myself either.

View 4 Replies View Related

CentOS 5 Networking :: DGE-530T Will Not Get IP Address From DHCP Server

Aug 6, 2009

I am attempting to get this network card running under CentOS 5.2 but have had no luck. Some sites say to use the sk98lin driver, others the skge, which I can't find at all. I have tried multiple versions of the driver in rpm but none seem to work. The card shows under the network manager but will not get an IP address from the DHCP server.

Here are the outputs for this card.
uname -rmi
2.6.18-92.1.10.el5 x86_64 x86_64
lspci -m
04:01.0 "Ethernet controller" "D-Link System Inc" "DGE-530T Gigabit Ethernet Adapter (rev 11)" -r11 "D-Link System Inc" "DGE-530T Gigabit Ethernet Adapter (rev 11)"
lspci -n | grep "$(/sbin/lspci | awk '/net/ { print $1 }')"
04:01.0 0200: 1186:4b01 (rev 11)
lspci -vv
04:01.0 Ethernet controller: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11) (rev 11)
Subsystem: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (5750ns min, 7750ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 121
Region 0: Memory at febfc000 (32-bit, non-prefetchable) [size=16K]
Region 1: I/O ports at e800 [size=256]
Expansion ROM at e0000000 [disabled] [size=128K]
Capabilities: [48] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [50] Vital Product Data

How to get this working as we have 3 of these cards for computers without a Gb NIC and I don't want to fight with it 3 separate times.

View 2 Replies View Related

CentOS 5 Networking :: Dnsmasq Dhcp - DNS Server Does Not Respond

Jan 9, 2011

I got a CentOS server setup as a dhcp server using dnsmasq. I followed this guide more or less: [URL] So, the problem seems to be concerning the DNS server on the clients. In windows I get the "limited connectivity" icon for the network, and when I select troubleshoot it says the DNS server does not respond. Issuing 'ipconfig /all' clearly shows the IP of the CentOS machine as the DNS server, which should be correct, yes?

ETH0 is working as WAN connection and that works great.. no problem with the WAN connection at all on the CentOS machine. ETH1 has the IP 192.168.0.1 and mask 255.255.255.0 When starting eth1, it sometimes says that it can't start eth1 because the IP 192.168.0.1 is already in use.. but that is most certainly not the case. Maybe there's some kind of issue here that messes with the DNS? What's mind boggling is that it works great on a linux machine (dhcp client) and on a windows xp machine. but it does not work on the windows 7 laptop and a vista laptop and a pda device.

View 1 Replies View Related

CentOS 5 Networking :: Configuring DHCP Server With Two NICs?

Mar 31, 2011

configuring DHCP server with two NICs. I need DHCP server with 2 NICs:

eth1 - 192.168.103.11
eth2 - 192.168.123.11

The client also has two NICs and suppose to receive ip addresses eth1 from 192.168.103.0 and eth2 from 192.168.123.0 Here is the dhcpd.conf from dhcp server:

ddns-update-style interim;
authoritative;
ignore client-updates;

[code]....

View 2 Replies View Related

CentOS 5 Networking :: DHCP Server To Serve Multiple Networks?

Dec 11, 2009

I was just wondering if someone could tell me the best method to connect all my hardwares together to achieve better result.HARDWARES.Cable ModemNETGEAR ROUTERNETGEAR FS728TS Smart switchLINUX SERVER WITH 2NICS.I want my dhcp server to serve 3VLAN networks. I need someone to show me how to do this. What do I need to do. keep in mind, I want eth0 to be used for public address only while eth1 for LAN. DHCP will be on eth0, but I need LAN on eth1 to be relayed back to eth0. This is my school project.

View 4 Replies View Related

CentOS 5 Networking :: Configure DHCP Client To Register Itself To DNS Server?

Aug 23, 2010

I'm new to CentOS and has recently use it.

I'm looking for a way to configure DHCP client so it would dynamically set the hostname and register itself to a DNS server. I don't have access to the DNS server.

View 6 Replies View Related

CentOS 5 Server :: Use DHCP All Our Clients Use Dynamic IP Addresses For The Ease?

Sep 1, 2010

I'm new to Centos 5 (and Linux) and, after installing Centos, I configured Samba, Apche, ... w/o problems (through interactive interface). My problem is tha t I need to use DHCP (all our clients use dynamic IP addresses for the ease) but I don't find dhcpd ... nor the sample config file(s).

Note : the new server I intend to use is actually connected on a LAN with an 'old' DHCP server (still under W2K server), is this the reason why I can't find/activate dhcp on my new machine ???

View 3 Replies View Related

CentOS 5 Networking :: DHCP Multi-Subnet From Single Server?

Oct 24, 2010

I've got a bit of a question. My network is laid out like this:

The role assignments are thus:

Firewall - sorts out the passing through to the 3 different networks, and acts as the traffic proxy.
Windows 2003 server - Does Active Directory and DNS
CentOS server - FTP and DHCP

Now, my problem is I need the CentOS server to be able to assign IP address to both networks, however, the CentOS server can *ONLY* be connected via the one interface to the firewall. It needs to assign the Windows 2003 server and the eth0 of the firewall an IP address via static DHCP, but it also needs to able to assign the clients dynamically via any address in the 10.23.1.0/24 range. I was thinking that I would be able to create static only assignments for the servers via their MAC addresses, and only have 1 dynamically assignable entry for the clients, and then get the firewall to allow ports 67 and 68 to flow freely between eth0 and eth1, but I wasn't entirely sure of the best way to do all this.

View 1 Replies View Related

CentOS 5 Server :: DHCP Config ( No Subnet Declaration For Eth0 )?

Apr 1, 2011

I had a server that I use for Radius DNS and Trying to put DHCP on it I have My pool in it seems right. I have 2 adresses aliased one being a helper IP that the router will send the request to. When I try to start the dhcp server I get the following.

Mar 31 14:33:11 rad2 dhcpd: No subnet declaration for eth0 (76.164.173.2).
Mar 31 14:33:11 rad2 dhcpd: ** Ignoring requests on eth0. If this is not what
Mar 31 14:33:11 rad2 dhcpd: you want, please write a subnet declaration
Mar 31 14:33:11 rad2 dhcpd: in your dhcpd.conf file for the network segment
Mar 31 14:33:11 rad2 dhcpd: to which interface eth0 is attached. **

[Code]...

View 1 Replies View Related

CentOS 5 :: Set A Ddns For CentOS Box?

Feb 21, 2011

im using centOS 5.5, how to set a ddns for my centOS box, cause i want to remote from other side.

View 2 Replies View Related

Red Hat / Fedora :: DHCP Server On CentOS - Assigning The Highest Number From The IP Range

May 26, 2011

I have a DHCP server running on CentOS and for some reason it is assigning the highest number from the IP range as a first one?

- range 192.168.1.20 - 192.168.1.50 - so the first IP on my PC recived from this DHCP server was .50 - is it normal behaviour?

Config file:

View 1 Replies View Related

Ubuntu Networking :: Wired Network - Can't Get The IP From Dhcp Server (TW-EA510) And Static Settings Doesn't Work

Feb 16, 2011

I'm having mysterious wired network problem with my Karmic/9.10 machine. It hasn't been in network a while, but now I finally got the cabling done. I can't get the IP from dhcp server (TW-EA510), and static settings doesn't work either. Fresh cabling showed OK 1Gb connection on tester, and win7 laptop works fine. I even tried with long cable though the rooms, but it doesn't help, so it definately isn't the new cabling.

Log from the router after issuing #"dhclient":
Feb 16 23:01:43 DHCP SERVER: DHCPDISCOVER from 00:01:29:fb:c5:d1 via br0
Feb 16 23:01:43 DHCP SERVER: DHCP offer to 00:01:29:fb:c5:d1
Feb 16 23:01:49 DHCP SERVER: DHCP request from 00:1b:ea:c8:a0:ba
Feb 16 23:01:49 DHCP SERVER: DHCP ack to 00:1b:ea:c8:a0:ba
Feb 16 23:01:54 DHCP SERVER: DHCPDISCOVER from 00:01:29:fb:c5:d1 via br0
Feb 16 23:01:54 DHCP SERVER: DHCP offer to 00:01:29:fb:c5:d1
Feb 16 23:02:03 DHCP SERVER: DHCPDISCOVER from 00:01:29:fb:c5:d1 via br0
[Code]....

Motherboard is some old Lanparty with two ethernet ports, NVidia CK804 and Marvell 88E800 rev 13 Gigabit netwok adapters, neither of them works. At least another of them has been worked earlier when I last got it wired. It's been a while, so I'm not sure which one of them and with different router if that matters.

View 3 Replies View Related

Networking :: Set A Route For Eth1 - DHCP Clients - To Reach Tun0 - Openvpn Server - CentOS

Sep 21, 2010

I have openvpn tunnel setup between two CentOS servers. One of the CentOS servers also acts as a DHCP server for some client computers.

Server A= OpenVPN server
Server B= OpenVPN client (connects to Server A with OpenVPN)

The two CentOS servers can ping each other (172.16.0.0/24) via the tun0.

However, client computer connected to Server B (DHCP server) can't reach 172.16.0.1 (which is the OpenVPN server).

I think I am missing some routing in my "ip route show". Following is the full picture:

What command can I issue to get this fixed? something along ip route add?

There is no firewall service on both end. service iptables stop! I can't bridge eth1 and tun0 as DHCP server might mess up the other side. I can't do a push of "redirect-gateway def1" because then clients loose their IP as they send DHCP requests to Server A.

View 2 Replies View Related

Ubuntu Networking :: DHCP Server No Longer Responses To DHCP Requests - Can't Ping Gateway

Oct 22, 2010

Back in April I set up a Ubuntu DHCP server and a multiple VLAN network [URL] to migrate our various servers, workstations, etc off the 192.168.1.1 /24 network that everything was on because we where running out of address space. I built out the new network and everything worked great except our AD server would never get an IP address from the DHCP server (static reservation) and even if I set the IP statically on the AD server it couldn't ping the gateway and noone could log in. After several attempts to resolve this, including bringing in outside help, we where never able to figure out what the problem was.

Now 6 months later I have time to revisit the issue without effecting the live network. I used Acronis and imaged the AD server last Friday, cloned it on to another box with the same hardware, and put it up on the new network that's been sitting unused for the last 6 months. Today when I statically set the IP on the AD server (which is what I want) it connects and I can ping it's gateway 192.168.1.1 and all the way across vlans to a test sales agent workstation at 192.168.8.xxx on vlan 800 but only if I statically assign the agents station an IP address. When I try to get an IP address via DHCP it fails as destination unreachable. Nothing has changed in the last 6 months on the DHCP server but now it for some reason can't ping its default gateway 192.168.1.1. All of the config files are the same as they where left from the post linked above aside from the vlan id's used where changed from 1's to 100's (i.e. vlan 3 is now vlan 300) /etc/network/interfaces

Code:

auto lo
iface lo inet loopback
auto vlan100
iface vlan100 inet static

[code]....

why it can't reach the gateway, when I do a tcpdump I can see the DHCP requests come in on eth0 but the server never responds and I'm pretty sure its because it isn't "seeing" them since it thinks there isn't a network connection but I don't know how to trouble shoot to find out where the problem lies.

View 6 Replies View Related

Ubuntu Networking :: DHCP Server No Longer Responds To DHCP Requests - Can't Ping Gateway

Jul 1, 2010

Back in April I set up a Ubuntu DHCP server and a multiple VLAN network [URL] to migrate our various servers, workstations, etc off the 192.168.1.1 /24 network that everything was on because we where running out of address space. I built out the new network and everything worked great except our AD server would never get an IP address from the DHCP server (static reservation) and even if I set the IP statically on the AD server it couldn't ping the gateway and noone could log in. After several attempts to resolve this, including bringing in outside help, we where never able to figure out what the problem was.

Now 6 months later I have time to revisit the issue without effecting the live network. I used Acronis and imaged the AD server last Friday, cloned it on to another box with the same hardware, and put it up on the new network that's been sitting unused for the last 6 months. Today when I statically set the IP on the AD server (which is what I want) it connects and I can ping it's gateway 192.168.1.1 and all the way across vlans to a test sales agent workstation at 192.168.8.xxx on vlan 800 but only if I statically assign the agents station an IP address.

When I try to get an IP address via DHCP it fails as destination unreachable. Nothing has changed in the last 6 months on the DHCP server but now it for some reason can't ping its default gateway 192.168.1.1. All of the config files are the same as they where left from the post linked above aside from the vlan id's used where changed from 1's to 100's (i.e. vlan 3 is now vlan 300) /etc/network/interfaces

Code:

auto lo
iface lo inet loopback
auto vlan100

[code]....

why it can't reach the gateway, when I do a tcpdump I can see the DHCP requests come in on eth0 but the server never responds and I'm pretty sure its because it isn't "seeing" them since it thinks there isn't a network connection but I don't know how to trouble shoot to find out where the problem lies.

View 2 Replies View Related







Copyrights 2005-15 www.BigResource.com, All rights reserved