Networking :: RedHat 5.4 Bonding - Modprobe.conf * Ifcfg-* Files Involved
Aug 5, 2010
I'm trying to do some network bonding in RHEL 5.4, and I'm not seeing the results I expect. I have set up a number of servers using mode 1 with no issue, but I need to configure a new server differently. bond1 is created from eth1 & eth2 bonded together using mode 802.3ad with layer2 lacp bond0 is created from bond1 & eth3 using mode active-backup with bond1 as the primary interface When I bring the network services up, all traffic is passing over eth3 instead of bond1, which is the primary. Below are the modprobe.conf * ifcfg-* files involved.
My modprobe.conf:
alias eth0 e1000
alias eth1 e1000
alias eth2 e1000
alias eth3 e1000
alias scsi_hostadapter mptbase
alias scsi_hostadapter1 mptsas
alias scsi_hostadapter2 qla2xxx
[Code].....
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Apr 27, 2010
I've got a server that has bond0 and bond1 setup. I'm documenting some things in case I need to failover and bring up my secondary server up as primary... I just need to know if simply creating the interface ifcfg-bond0:0 with a new IP address obviously of the crashed system,,, is all that needs done or do I need to load bond0:0 module in /etc/modules.conf also?
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Jun 1, 2011
When I do service network start it is giving me the error grep : can not find directory ifcfg-ifcfg-eth0....
For some reason it is adding another ifcfg to my ifcfg-eth0 file.
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Feb 3, 2011
I installed 14 and no ifcfg- files. (no ifcfg-eth0)can i create them ??
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Jun 11, 2009
When I setup the server I added multiple ips. Now that I need to edit ip info I can't find any alias files in the network-scripts folder. But restarting server the ips work fine. Is there some where else that this would be stored.
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Sep 7, 2010
I was just able to buy a new laptop and everything is going ok except there is no sound coming from the speakers only the headphones (hda ATI SBx00 Azalia Intel HDA) and I found this useful post ([ubuntu] No sound with hp 6735s, ATI SBx00 Azalia (Intel HDA) - Ubuntu Forums) except there is no modprobe.conf file in my modprobe.d directory.
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Jun 20, 2010
Is there a way to refresh the current configuration used by modprobe with an updated modules.conf file at the command line for Red Hat Linux 9.0?
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Aug 12, 2010
If I remove all the template stuff, it works.
whats going on here?
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Mar 21, 2011
Code:
anisha@linux-uitj:~/junk> ls -R
.:
include src
./include:
template0.h template0.h~ template0.h.gch
[code]....
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Jun 1, 2009
I've been scanning the apache2 docs for the past few days and have not come up with an answer my following issue:
In my httpd.conf file, at the very end, I have the line
Include conf/vhosts/vhost_*.conf
However, when I run apache checkconfig or try to start apache, it gives me the error:
httpd: Syntax error on line 993 of /etc/httpd/conf/httpd.conf: Could not open configuration file /etc/httpd/conf/vhosts/vhost_1.conf: Permission denied
It appears as if the Include line is correct - in terms of it grabbing the first virtual host conf file. However, I'm confused on the permissions. the /etc/httpd folder is owned by root:root, as are the subfolders. As a test, I chown'd the conf/vhost folder combination and all the vhost files to apache:apache to see if that made a difference, and it appeared to make no difference at all. The log files don't contain anything (assumed because apache isn't starting). If I place the contents of the vhosts in a singular vhosts.conf it works - with the permissions set to root:root. I'd like to avoid having to use one vhosts conf for the configuration I'm trying to achieve - as it would make my life a lot easier.
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Jul 25, 2010
phpmyadmin files are in usr/share/phpmyadmin but i cant find anything in my apache2.conf or httpd.conf files that point to that directory.How do I find the route taken from the Server root "ServerRoot "/etc/apache2"" to the phpmy admin files.
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Aug 24, 2009
I'm having an issue with an e-mail server (with an IP of 10.10.0.1) which is behind NAT (Cisco ASA) which in turn of course has it's own external IP (let's say - IP 10.10.0.100). Both IPs are public.Now, if i wanted to set up a correct RDNS configuration for my domain, what should be the IP address entry for the PTR record in this case?
I know this is strictly network configuration related question (not Linux, or CentOS for that matter), but I wouldn't be asking if I didn't get a few bouncing e-mails every once in a while (i.e. NDRs) with messages like: You do not have permission to send to this recipient. For assistance, contact your system administrator.
[Code]...
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Jul 24, 2010
Missing ifcfg-eth[2-5] fileset for ZNYX 345Q Quad Port 10/100 cards. I have showing in the gui network device that my ports for my ZNYX ZX345Q Quad Port card my ports are Auto eth2, Auto eth3 etc. My Motherboard and Intel cards show as System eth0 and System eth1.
There ARE corresponding entries for those in my /etc/sysconfig/network-settings/ directory, but there are not ifcfg-eth[2-5] files to correspond to these adapters. Can I just write my own files and that will do it?
How does Fedora 12/13 load these drivers into the kernel without having these ifcfg files?
I'd love to know if there is another way Fedora controls NICs / other system resources.
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Oct 31, 2009
I am trying to configure Fedora 11 Samba PDC with LDAP backend. All information on how to was obtained at http:[url].......The Howto is not complete. However, I have a real problem when configuring ldap.conf and slapd.conf as I will replace the domain acpng.org.pg with the examples. The problem is when entering the following:
URI ldap://127.0.0.1/
HOST linux-srv1.pqrst.org.nk
BASE dc=pqrst,dc=org # now here, do I put another dc=nk for the
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Jun 17, 2010
i was trying mrtg, but when the light go off the graphics get distorted. Trying to adjust the conf files i get nothing than trying rrdtool but i keep having the same problems. So i was thinking to use php, i got working php snmp walk function but i am looking the way to get the bandwidth or usage of the device from snmp or any snmp function but still now i keep searching. Once done this stages i would be able to save the data into an array and the plot it into a graph and personalize the max and min values for avoiding distorted graphs.
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Dec 23, 2009
Is it possible to change the location that the journal files are created. By default, they are created in the same location that the zone files are.
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Jun 30, 2010
I've been trying to make install apache 2.1.8 and php 5.2.3 and work on them. After updating and installing some dependence files, apache and php could both be installed.
Then I tried to configure them. I added the following content to the end of Apache httpd.conf:
Code:
Then I run /path/to/apachectl start, and saw the message:
Quote:
Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included in the server configuration
Then I remembered that I didn't include the rewrite module while making install apache. So I removed the 2 lines I just added to httpd.conf.
But, after running /path/to/apachectl stop and start again, I could still see:
Code:
When I use firefox to open http://host_ip:8080/, I could see "It works!". But when I open http://host_ip:8080/hello.php (the file is already under htdocs), firefox said
Quote:
Failed to Connect
Why and how to solve it?
I noticed that for some stupid reason, the conf file wasn't updated at all and the 2 erroneous lines were still there.
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Mar 30, 2010
How to tell dhcpd to listen to ifcfg-bond0 ?
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Mar 26, 2010
I am running FC10, How to NIC bonding ..
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Mar 18, 2009
I've been racking my brains over the past few days trying to figure out why my NIC card (network interface card) won't show up in the ifcfg-eth0 file.When I configure a new server (like this one) I always go to:/etc/sysconfig/network-scripts/ifcfg-eth0 and from there I usally see the name of my NIC's manufacturer's name and the hardware MAC address.Then it's only a simple process of entering the server's IP address, netmask and gateway and I'm up and running in no time...But not in this case! the ifcfg-eth0 file is completely blank! There's not ONE single line of config info in it... (?)The server runs an Intel core 2 duo (dual-core) CPU with 1 gig of RAM.
I've even re-formatted the drive and re-installed Centos 5.1 on the darn thing 3 times and it simply won't work.The server cannot resolve when I do a wgetIt also gives me a 'resolution problem in the named configuration'.What I don't understand is that the 2 small LEDs on the Cat 5 cable lights up and flash at what appear to be regular intervals here.
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May 12, 2009
I have just upgraded a CentOS 5.2 box to Centos 5.3
I did have a bridged networking setup for Virtualbox which worked well. eth0 was bridged with br0. br0 boot protocol was DHCP and it sent its DHCP_HOSTNAME to the windows DHCP servers.
since the upgrade the br0 does not get an address but the eth0 does. I found that the scripts in /etc/sysconfig/network-scripts/ifcfg-* are getting rewritten.
I figure I may not need to have a bridge any more so I stripped that out to try to get a simple network setup working. I now just have eth0. I edited /etc/sysconfig/network-scripts/ifcfg-eth0 so that it looked like this,
~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
# Attansic Technology Corp. L1 Gigabit Ethernet Adapter
DEVICE=eth0
BOOTPROTO=dhcp
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Feb 16, 2010
I've run across a few threads in the archived forums regarding nic bonding. I could be wrong but I imagine most of the people that are looking at bonding are probably really wanting what they would get out of creating a LAG between their Ubuntu Server and a managed switch capable of LACP trunks. If you have two NICS on your ubuntu server and want 2gps throughput & failover check out the page on creating a LAG. Obviously this requires your switch to be compatible though. [URL]...
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Jul 12, 2010
I run a VMware clone of CentOS 5.3, I observe that kudzu [i.e. /etc/init.d/kudzu, from /etc/rc3.d/S05kudzu or /etc/rc5.d/S05kudzu] detects a MAC address change on eth0 and then creates a /etc/sysconfig/network-scripts/ifcfg-eth0.bak file. This .bak file is identical to the original ifcfg-eth0 file except for the value of the HWADDR [i.e. MAC address] parameter. I would be unconcerned but for the fact that /usr/bin/neat indicates that both ifcfg-eth0 AND ifcfg-eth0.bak are 'Active'. The following solution may help others with the same (or similar) problem:
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Feb 26, 2009
I installed Fedora 10 and used dynamic IP first. Then I found out that bonding works with static ip only so I switched to static IP. But then, since I have 3 NIC cards, I configured bonding. I need help in these points:
1- steps to follow so that I switch from dynamic to static IP
2- steps to follow so that I configure bonding
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Sep 1, 2011
I have 2 Net connection and 2 NIC. I want to know how to make bonding for that. I am using Ubuntu Server Natty 11.04 - 64bit
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Is it possible to make Bonding?
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Apr 14, 2011
I am seeing an issue on a few servers where it doesn't appear all NICs in the 802.3ad lag are all operating at the same level. A few of the servers have two bonds each with two NICs in each bond.I have two NFS servers that each has 1 bond with 3 NICs.All are RHEL5 x64 2.6.18.I think the reason why I see one interface dominating RX and another dominating TX is due to the xmit_hash_policy but there are three hosts that use this particular server for network traffic.That's 3 different physical mac addresses.The layer2 algorithm should be fine in that situation I would think.Would I just be better off with balance-rr?
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Nov 2, 2010
is possible to use linux (especially slackware) to bond 2 (ethernet modems) adsl connections. For example if i have 2 connection of 24mbs download and 512 upload i will create achieve 48 mgps dowload and 1 mgps upload . something like that
adsl1 modem <------ eth1--- (slackbox router) --- eth0---> my server
adsl2 modem <------ eth2----
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Dec 15, 2010
I want to bond two NIC to the same IP, I was able to do this for Static IP but not DHCP.
Does anyone have any idea about the possibility of this?
The process at which i reached to this question is explained here:
http://ubuntuforums.org/showthread.php?t=1645440
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Jul 19, 2011
I am confused as to what is going on with a particular box that I am working with.As you can see in the attached ifconfig print out, one eth port is basically only used as a output while the other is only really used as an input.I connect to the box via 10.20.40.104 for ssh,ftp,http,etc.I just want to know the name of what is happening (is it bonding,bridging?) and maybe some information about where it is configured.I looked in modprobe.conf
eth0 Link encap:Ethernet HWaddr 00:1E:C9:EE:5A:91
inet addr:10.20.40.105 Bcast:10.20.40.255 Mask:255.255.255.0
inet6 addr: fe80::21e:c9ff:feee:5a91/64 Scope:Link
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Jan 18, 2011
I set up a bridge device but I can not figure out how to pass parameters into the ifcfg-vmbr0 in particular I need to pass:
maxage
ageing
fd and stp seems to be passed by DELAY=0 and STP=on the others? I have not found anything in the post, tips, docs how could I do?
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