Fedora Networking :: VLAN Not Starting On Boot?
Jan 26, 2009
I just have installed FC 10 on a box that I will use as a router/firewall box. On the box I have three interfaces (eth0, eth0.704 (VLAN), and eth1). When the machine boots up, only eth0 and eth1 come up. If I run /etc/init.d/network restart, then eth0.704 will come up. If I add that command to rc.local, then all interfaces come up at boot.
I have the directive ONBOOT=yes in ifcfg-eth0.704. What would cause this vlan interface not to start at boot on the machine?
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Apr 20, 2010
do you know if there is any possibility to route/force non-vlan packet to a vlan interface in Linux?
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Aug 5, 2009
I'm preparing to "follow" these directions which will make VirtualBox's networking behave like VMWare's "NAT" networking. Of course, these instructions are for a Ubuntu/Debian setup.
I am quite certain that I can write a script that'll do the equivalent steps on my Fedora 11 box -- which is acceptable to me. I would, however, like to know how to splice this stuff into NetworkManager and/or /etc/sysconfig/networking/devices/, to do this the "right" way.
The desired networking behavior:
-VM's get assigned addresses via DHCP on a virtual network
-VM's can talk to each other and to their physical host
-VM traffic out to the 'real world' is NATted
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Nov 4, 2009
I would like to mount a bunch of folders/shares when I start my machine up. I will be adding the mounts into my /etc/fstab folder BUT my WLAN0 only comes "up" and connects to my WAP AFTER logging in.
how I get it to start on PC boot instead of log in?
I think I need to disable network manager but I'm unfamiliar with the procedure in Fedora
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May 29, 2011
Before explaining the problem, I have to draw the environment. Because of post size limitations, I'll have to break this post in more than one entry.
Physical view
Code:
+--------+ +---+
|storage1|-----| |
+--------+ | s |
| w |
+--------+ | i | +-------+
|router2 |-----| t |-----|router1|--->Internet
+--------+ | c | +-------+
| h |
+--------+ | 8 |
|router3 |-----| |
+--------+ +---+
Device details
[Code]....
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Sep 8, 2010
I'm currently setting up a vlan network and after reading several man pages I still have 2 questions / problems:
1. I would want to put several subnets into one vlan.Meaning for example, I want to have the following Vlans with subnets:
vlan1 10.1.1.0/24
vlan2 10.1.2.0/24
vlan3 10.1.3.0/24
vlan3 10.1.4.0/24
vlan3 10.1.5.0/24
Is that possible?
EDIT: I found a sample configuration, sadly without any comments, where there are defined some interfaces named vlan1:0 trough vlan1:3. Could that be the option I've been looking for.However in the definition of the vlan1 device it is configured with the subnetmask 255.0.0.0 . I would like to know the mechanics of that option, too.
2. In the wlan part of the network I want to have a dhcp server distributing ip addresses. However I want hosts the server 'knows' (by mac address) to be in a different vlan than those unknown. Is there any way to achieve that? If yes, do I need special wlan access points or can I do it by my configurable switch or by the server?
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Aug 20, 2011
I'm having trouble getting Fedora 15 to work with my em/bond/br configuration as it did in Fedora 14. I've got a bonding interface over em1 and em2, and then individual bond vlans (bond0.2, bond0.10, etc...), I then have a similarly named bridge interface (br0.2, br0.10, etc...) for kvm. Regardless of if I assign bond0.2 or br0.2 the IP address, I am unable to ping the gateway, but the native untagged VLAN (bond0, br0) has no issue at all.
To try to isolate this issue down to the switch or Fedora 15, I went with a plain em setup and configured em1, and em1.2 which works as expected. This issue has been plaguing me since Fedora 15 came out and I'm about to trash it and go back to Fedora 14 (Which didn't have this issue), but some of the new kvm features have kept me trying to get over this incomprehensible hump.
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Aug 18, 2009
I have a Fedora 11 PC, which I want to connect to the ldap server at my organisation. When my /etc/ldap.conf file is in place, the machine will not boot past "starting system messagebus" and just hangs there. I have to press the reset button, and boot it into single user mode, and remove /etc/ldap.conf, and only then will it boot. The ldap.conf file is fine, I think, because if you boot the machine up without ldap.conf, then log in.
I can put ldap.conf in place and immediately I can see all the user accounts etc. from the ldap server. If I then reboot, with ldap.conf in place, it hangs on boot again. I found a bug report for FC5 which stated this problem, but there was no solution. There was a workaround, making messagebus starting later in the boot process (move it from S22 to S27 in rc3/5.d), but that didn't help in my case.
My ldap.conf contains this (I've removed my actual ldap info):
host my.server.ip.addr
base dc=my,dc=dn
uri ldap://ldap.mydomain.com
ssl no
tls_cacertdir /etc/openldap/cacerts
pam_password md5
bind_policy soft
As I say, I think the ldap config is fine, because you can start it manually once the machine has booted up without an ldap.conf in place. I lifted it from a Centos client, which works fine and doesn't have the same problem with booting that Fedora does.
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Apr 7, 2009
Using Fedora 10, can anyone tell me how to setup the network scripts to create two network interfaces for vlan x and y. Both interfaces should obtain an ip from dhcp and both interfaces should run over eth0.
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Dec 13, 2010
i set up vlan1 in cat2950 switch
#config t
#int vlan 2
#ip address 192.168.1.7
#no shutdown
i then moved all the interface ports (port 1 - port 24) from the default vlan1 to the vlan2, with....
#int f0/1
#switchport mode access
#switchport access vlan2
the problem is that with the above configuration, i connected 3 linux boxes on the switch but non of them could connect with each other.
when i did a ping, it says "destination unreachable"
what am i missing out here, and whats the fix?
i assigned static ip address to these boxes, also there's no router in this network by the way. i dont think i will need one either as all the machines in in the same vlan2.
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Dec 31, 2010
I have a SSH box which is command line only and no X, this will be used remote and i'm trying to get the wireless network configured to start at boot. I'm using wpa_supplicant as the access point is secure with WPA2 At present if I send the following commands the machine will connect to the wifi and be reachable via ssh
ifup wlan0
/usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -D wext -dd -i wlan0 -B
dhclient wlan0
This does not start at boot but requires manual input of the above commands. I've just come to a complete blank on geting this to start at boot time. Also I would like to set a fixed IP for this box.
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Apr 22, 2010
What are the function differences between VLAN and subnetting ?
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May 10, 2011
Is there a way to see the vlan tagging associated with an ip addresses on my centos servers from their command line?
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Apr 2, 2009
i have configured transparent squid with dansguardian for content filtering i used this squid server ip on client gateway(not on browser) for content filtering, is it possible that i could use this squid server in different VLAN.
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Sep 12, 2011
I'm trying to setup a Asterisk box with two NIC's. The idea is that one NIC connects to the LAN on VLAN2 (for internal voice) and the other to the SIP trunk on my ISP's Cisco 1811, configured for VLAN3.
Some info: The Cisco's VLAN1 + 2 are available on my switch. VLAN1 = 10.105.44.x with gateway .254 (the Cisco). VLAN2 = 10.106.45.x with gateway .254 (the Cisco). The Cisco's VLAN3 is available on only a single port on de Cisco, connected to one of de NIC's of the Asterisk box, eth1, with IP 10.106.46.1 and gateway .254 (the Cisco). The other NIC, eth0, is connected to the switch, on a port setup for VLAN2.
So, what I'm trying to achieve: Use eth1 tagged with VLAN3 to connect to the SIP trunk. (I could do this with a static route because my provider has a fixed IP to connect to) Use eth0 for all other traffic.
Here are some config files I've setup so far (I'm stuck on connecting to the SIP provider):
network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=localhost.localdomain
GATEWAY=10.106.45.254
[Code].....
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Nov 18, 2010
One of my ubuntu 10.04 boxes starts apache2 server automatically at boot. I know from the output of the command:
Code:
sudo /etc/init.d/apache2 status
I can't remember even setting that up, and I don't think it does so by default, since my other box in fact does not even have apache2 server installed. I can stop the server once I login, but is there a way to stop it from automatically starting the server, or even better, completely uninstall the daemon. I tried
Code:
sudo apt-get remove apache2
but that does not work. I guess the daemon is part of some bigger package.
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Jul 10, 2011
I would like to stop network manager from starting up on boot. I have tried moving
Code:
/etc/init.d/network-manager stop
to rc.local and it did nothing but boot me into the CLI
I have also tried to put
Code:
sudo service network-manager stop and that did nothing also.
After I get network manager to stop on boot up. How do I make it so it will not auto connect to networks? My computer keeps on joining a different network on boot up. And I don't like this as some times I go to my banks website and I am on there network with out realizing it (because of the auto connect) Is there a way to stop this also?
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Sep 13, 2010
I'm using my linux system (Linux 2.6.31.12-1.0.2) as a IPTV media center (XBMC). My interface configuration is
Code: eth0 Link encap:Ethernet HWaddr 00:01:2e:2b:12:6e
inet addr:192.168.1.6 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::201:2eff:fe2b:126e/64 Scope:Link
[code]...
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Feb 11, 2010
My Linux machine's all Ethernet ports are connected to Cisco 2960SCG switch. Linux machine is having two Ethernet cards. First one is using "e1000" Ethernet driver and the second one is with "nxge" Ethernet driver.
Problem is; I am successful while trying to delete VLAN interfaces over motherboard PCI Ethernet card, but if i try the same on other PCI card the following messages are coming,and soon system getting hanged.
Message from syslogd@ at Wed Feb 10 17:48:11 2010 ... localhost kernel: unregister_netdevice: waiting for eth5.390 to become free. Usage count = 4
Bofore using nxge based Ethernet card I used e1000 based only, for that also I had same problem.
[root@localhost ~]# ifconfig eth5.390
eth5.390 Link encap:Ethernet HWaddr 00:21:28:21:DB:D1
inet addr:192.168.155.4 Bcast:192.168.155.255 Mask:255.255.255.0
inet6 addr: fe80::221:28ff:fe21:dbd1/64 Scope:Link
[Code]....
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Jul 14, 2010
I'm searching for a small perl script to iterate through the configured eth and vlan interfaces to get their assigned ip address and perform some processing.I'm after something like:
@interfaces = (waytogetinterfaces);
foreach (@interfaces){
#perform processing
print "Interface IP is: ", $_->IP;
}
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Jan 12, 2011
My company hosts five Servers with CentOS 5 installed in a Data Center. The Data Center assigns a VLAN to each customer so that they can organize customers and also count traffic. The VLAN assigned to my company is in the form 62.103.X.X with a subnet mask 255.255.255.240 so the IPs that we can use in our Servers are 13. The first IP in the VLAN (for example 62.103.1.1) is the Gateway and the rest, that are calculated from the subnet mask, are assigned to servers(62.103.1.2 up to 62.103.1.14).
The problem I have is that we have run out of IPs in our VLAN. We have used all IPs and we want some more. The Data Center can assign new IPs but not grow our VLAN IPs by expanding the subnet mask. So they gave us a new VLAN with some IPs (for example 62.104.X.X with a subnet mask 255.255.255.192) They told me that I had to use as gateway the gateway of the first VLAN 62.103.1.1 and assign the new IPs as usual. So I assigned to one of the CentOS 5 servers the IP 62.104.1.2 and set the gateway to 62.103.1.1. Unfortunately this did not work and we could not establish connectivity to the Internet.Is it possible to assign a gateway outside of the IPs that are in the subnet? Could it be a problem with the VLAN setup by the Data Center?
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May 21, 2009
I am currently using FC10 on a Dell 4600 with 2GB of ram. I love Linux as it is the most stable OS around. My end goal is to have the machine boot and start the vncserver automatically, eventually using an ssh tunnel to make it secure. My main problem is the vncserver is not starting on boot, I must login as a user then it works great. the error I get is
[Code]....
Basically what happens is the vncserver fails on boot however, if I login to the Fedora box I am able to connect and I get the GDM login screen. I have read many, many posts but have not been able to get over the boot issue. I really want to make this a headless box I can put in another room so I have more room for my musical gear.
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Aug 17, 2009
Running kernel-PAE-2.6.29.6-217.2.7.fc11.i686
Boot hangs on 'starting atd'
Select 217.2.3 and it boots OK.
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Jan 19, 2010
I just installed F12 from scratch and I'm facing a curious situation with dhpd. The service is enabled, but It fails to start on boot. I see the following error on /var/log/messages:
Jan 18 17:15:28 neo dhcpd: No subnet declaration for eth1 (no IPv4 addresses).
Jan 18 17:15:28 neo dhcpd: ** Ignoring requests on eth1. If this is not what
Jan 18 17:15:28 neo dhcpd: you want, please write a subnet declaration
Jan 18 17:15:28 neo dhcpd: in your dhcpd.conf file for the network segment
Jan 18 17:15:28 neo dhcpd: to which interface eth1 is attached. **
However service dhcpd start, works just fine when I login, after the system boots:
Jan 18 17:26:49 neo dhcpd: Internet Systems Consortium DHCP Server 4.1.0p1
Jan 18 17:26:49 neo dhcpd: Copyright 2004-2009 Internet Systems Consortium.
Jan 18 17:26:49 neo dhcpd: All rights reserved.
Jan 18 17:26:49 neo dhcpd: For info, please visit [URL]
Jan 18 17:26:49 neo dhcpd: WARNING: Host declarations are global. They are not limited to the scope you declared them in.
Jan 18 17:26:49 neo dhcpd: Not searching LDAP since ldap-server, ldap-port and ldap-base-dn were not specified in the config file
Jan 18 17:26:49 neo dhcpd: Wrote 0 deleted host decls to leases file.
Jan 18 17:26:49 neo dhcpd: Wrote 0 new dynamic host decls to leases file.
Jan 18 17:26:49 neo dhcpd: Wrote 5 leases to leases file.
Jan 18 17:26:49 neo dhcpd: Listening on LPF/eth1/00:30:48:80:2e:7e/192.168.1.0/24
Jan 18 17:26:49 neo dhcpd: Sending on LPF/eth1/00:30:48:80:2e:7e/192.168.1.0/24
Jan 18 17:26:49 neo dhcpd: Sending on Socket/fallback/fallback-net
So it can't be a problem with my dhcpd.conf file.
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Aug 11, 2010
I have just installed the F13 XFCE spin on my netbook (Asus Eee 1000ha), and can't boot past where Plymouth is supposed to start. The message I get is below.
[Code]...
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May 15, 2011
I recently installed Vortexbox, which includes fedora release 14.Got everything working, but could not access the network. After a bit of searching, found that "ifup eth0" activated the interface.To do this on boot, I have added this command, together with my "mount /dev/..." command in file /etc/rc.localIt works OK, but I cant help thinking there's a proper way of doing this?
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Oct 30, 2010
getting a VLAN router with a wan interface capable of Ethernet and AMT? something under $80-$100 pref.i need to segment a client on my home network.
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Jul 3, 2010
I need to set a NAC (PacketFence) system , i would like to set in my case eth0 to work with several different VLAN'S i created ifcfg-eth0.2 copied from orginal ifcfg-eth0 and changed the ip and append VLAN=yes but when i am triyng to load ifcfg-eth0.2 i get error
I must missed something
My ifcfg-eth0 goes as follow
Code:
My ifcfg-eth0.2 goes as follow
Code:
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May 24, 2011
Before going to vlan topic I have basic question. I have a gateway as 10.209.108.1/22 if I am connecting gateway to cisco 3750 switch port 1 can I use remaining ports to connect via above gateway? I mean suppose I am connecting NIC to port 2 and IP 10.209.111.200 can i ping 10.209.108.1? Is this valid without configuring any vlan or anything on switch?
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May 15, 2009
Our ISP provides us with Layer 2 hardware (Modem?/Switch? (Hatteras)) for our leased line and internet access. I have been told that I should set up a VLAN capable router to separate the internet traffic from the internal traffic. I found that linux is capable of VLAN routing. Nice!
I have setup opensuse 10.3 put in two NICs and did the following
vconfig add eth0 10
vconfig add eth0 20
ifconfig public.ip.add.ress netmask 255.255.255.252 eth0.10 up
ifconfig 192.168.0.1 netmask 255.255.255.0 eth0.20 up
Plugged this NIC into the HATTERAS hardware (with a straight cable), and thought that this way I should be able to ping the public gateway or any ip out on the internet. My ISP is telling me that I should create a VLAN trunk to be able to 'use the internet', but as I understand in linux if I create any number of VLANs on one NIC they are already trunked. I also got the info, that the traffic is tagged, and I can separate the traffic reading the tags. I already read that some NICs are not able to VLAN because they are not able to handle the increased packet size.
Also that the MTU setting is important (dono' the exact value though, only that its important). I thought that a linux machine can act as a router and firewall in such a case, because proprietary switches/routers use linux as embedded os. This is my first meeting with VLAN so if this whole post does not make any sense or you think that I just need to RTFM more then tell me! I also have some (3) Dlink 3226 Layer2 switches around, but I think it would be waste to use a 24 port switch on this subject.
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