Red Hat :: Static Route Gets Ignored
Oct 19, 2010
On a Red Hat Enterprise Linux Server release 5.4 (Tikanga) system, I set up a static route that unfortunately seems to get ignored.I set up the static route in the file /etc/sysconfig/network-scripts/route-eth0 as follows: 172.16.96.2/32 via 192.168.219.251
I've restarted the network service and also rebooted a few times. Here's my current routing table:
[Code]....
I am able to ping 172.16.96.2. However, when I do traceroute 172.16.96.2, it appears that the traffic goes through the default gateway 192.168.219.250 instead of our requested specific gateway 192.168.219.251:
[Code]....
I can ping both 192.168.219.251 and 192.168.219.250. In the route-eth0 file, I�ve also tried using the alternate syntax with ADDRESS0=<IP address> etc, but it didn�t work any better. I also tried setting a more general route of
172.16.96.0/24 via 192.168.219.251
The System / Administration / Network tool previously showed a spurious extra NIC called eth0.bak in addition to eth0. I deleted the eth0.bak and rebooted, but this also didn't help. Currently, eth0 is the only NIC on the system.
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Apr 29, 2009
I would like to add a static route, however I do not understand what is meant by the Address setting below
GATEWAY2=10.241.58.62
NETMASK2=255.255.255.224
ADDRESS2=10.241.57.32
Does this mean any addresses beginning with 10.241.57.32 are routed over the gateway 10.241.58.62 an address range
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Apr 21, 2010
Using Ubuntu 9.1, I get the error "SIOCADDRT: No such process" whenever I try to set a static route using
sudo route add -net dest netmask 255.255.255.0 gw gateway
and
sudo ip route add dest/24 via gateway dev eth0
gives me "RTNETLINK answers: No such process".
From googling, it looks like others have had this problem, but I haven't found any working solutions yet. Anyone have any idea how to fix this?Ok, finally found the issue. The gateway has to be on the same subnet... ugh, is there anyway to use a gateway on a different subnet without tunnels? I can ping the machine I want to be the gateway, so I feel like I should be allowed to set it as a next hop for specific addresses.
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Apr 22, 2010
so on the host i'm trying to connect to, i have installed ssh server and it was working fine until i changed the /etc/network/interfaces file to set a static IP and then ran Code: sudo /etc/init.d/networking restart but now when i try to connect with SSH using the new static IP i get Code: ssh: connect to host 192.168.2.10 port 22: No route to host
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Feb 12, 2010
I've trying to add a route to a host to force traffic out of a clustered IP address...
IE I have a cluster and the IP address moves from host to host on failure of a resource. The IP address is just a simple alias of an interface so for example... bond0:0 192.168.1.1 and bond0 192.168.1.10
What I want to do is force a program that starts up on the cluster hosts which sends packets out to a listening server to only send out of the cluster ip address.
I did a route add -host 172.22.2.2 gw 192.168.1.1. But this doesn't seem to work if i try to send a ping the packets still go out the wrong address, and more and above that for some reason the ping doesn't work at all. If i remove the route the ping will work again.
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Apr 9, 2009
I have configured LVS under RHEL5. I need to configure static route to my VIP. Now, I used the following command to add route but reboot OS will flush the route.
# route add -host 192.168.11.55 dev lo:0
how to add static route for certain network via /etc/sysconfig/network-scripts/route-<device-name>. But I did not found that for host.
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Apr 3, 2010
I have a dual NIC firewall and everything works fine but only if I run the static route for the default gateway manually:route add -net 0.0.0.0 netmask 0.0.0.0 gw x.x.x.x dev eth1.Where eth1 is my WAN interface and x.x.x.x is my WAN IP. I've spent about 20 hours trying to figure out just how to get this static route to come up automatically upon reboot. I've read all the manuals and all that jazz.I've added the "up route..." or the "post-up route..." commands to the /etc/network/interfaces file but that does not work (although my other static routes work just fine from here). I've copied the relevant text and pasted it onto the command line to confirm correctness - everything with the command is fine.
I've also creates a static-routes file (and chmod +x, confirmed the correct permissions, etc) in /etc/network/interfaces/if-up.d/ and attempted to set the routes here (yes - using the "/sbin/route add -net." terms that work FINE from the command line). But that does not work either.
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Jul 13, 2010
I'm using ubuntu server 10.04. I need to create a second network to do some testing. Here's what it looks like so far: WAN > x.x.x.x/9 > router > 192.168.1.0/24 > LAN
I need to do this: WAN > x.x.x.x/9 > router > 192.168.1.0/24 > LAN > ubuntu server (LAMP, dhcp, dns via eth1) [eth0 192.168.1.138] > ubuntu server [eth1 10.0.0.1] The two networks should be transparent to one another. I've got everything working, except routing. Here is ifconfig:
[Code]...
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Jan 24, 2011
Running Gentoo with kernel 2.6.29 on a Sparc Ultra 10. I'm having problems with my cable modem connection failing, so I've added a static route that enables me to log into the modem's diagnostics page at 192.168.100.1 when the connection drops; my /etc/conf.d/net looks like this (with the comment lines removed).
Code:
dns_domain_lo="MYNETWORK"
config_eth1=("192.168.0.1 netmask 255.255.255.0 broadcast 192.168.0.255")
config_eth0=("dhcp")
routes_eth0=(
"192.168.100.1/32 via 0.0.0.0"
) dhcpcd_eth0="-N"
This works but after a period of several hours to several days, this static route disappears from the routing table.
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May 8, 2011
I have 3 network interfaces on my Linux Router :
Interface - Gateway - Type
Code:
br0 - 192.168.0.1 - Internet
eth2 - 192.168.1.1 - LAN
tun0 - 10.0.0.2 - VPN (via br0)
What I'd like to do is to route all TCP packets coming from eth2 to tun0 where a VPN client is running on 10.0.0.2. If I delete all default routes and if I add a new route to tun0 like :
Code:
route del default
route add default gw 10.0.0.2
Everything is fine, and everyone on eth2 can reach the Internet using the VPN access. Now the problem is that my VPN client does not allow any other protocols other than TCP. And I also want to allow VPN access only to eth2, no other LAN nor the router itself. use iptables to filter any TCP packets and mark them, so they can be sent to tun0, while any other packets can reach the Internet via br0 (192.168.0.1). I found on the Internet that we can mark packets before they get routed. Using the following commands :
Code:
iptables -t mangle -A PREROUTING -j MARK --set-mark 85 -i eth2 -p tcp --dport 80
ip route add table 300 default via 10.0.0.2 dev tun0
ip rule add fwmark 0x55 table 300
First of all, --dport 80 never work... :/ I wanted to filter TCP 80 packets coming from eth2, but none of them seems to be HTTP packets... oO (very strange...). Nevermind, I decided to forget about the --dport option. I use the "iptables -L -v -t mangle" command to see how many packets are marked, and it is working fine, all TCP packets coming from eth2 are marked. Now the problem is that none of them are routed to tun0 they are all respecting the "route -n" rules... and not the "table 300" rule I have created.
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Oct 21, 2010
I got this definition:"a process that replaces a series of related, specific routes in a route table with a more generic route." honestly I found it not so clear.. I want to know if this definition is correct and also more details about this subject..
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Jan 25, 2011
Having trouble getting my Netgear WNA1000 working thru wireless router. Have tried lots of suggestions from other threads to no avail. Someone suggested that th routing table isn't set correctly, so have been trying to use the follwing to make the proper entry in the routing table: sudo route add -net 192.168.0.1 netmask 255.255.255.0 dev wlan0
Result: error message stating with:
"route: netmask does not match route address"
followed by "Usage" instructions which tell me to do what I just did. Any ideas on how I can populate my routing table with correct entry for my wireless card? Not to complicate matters, but I temporarily turned off encryption on my router to eliminate that as a possibility until I get connected. So maybe it'still trying to connect via encrypted mode - do I need to turn off encryption on my (client) end?
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Feb 12, 2010
I'm having some problems on the line with ***. This is from a OpenEntidade.java class file and I'm trying to update EmprestadorView's variables.
EmprestadorView.java
public class EmprestadorView extends FrameView {
...
OpenEntidade.java
-----------------
public class OpenEntidade extends javax.swing.JFrame {
[code]....
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Apr 26, 2010
I got this message on Friday from just one domain. uote:mailsrv.forthnet.gr #<mailsrv.forthnet.gr #5.5.0 smtp; 554 5.5.0 Your message was considered to be spam by the FORTHnet Antispamming Policy and was not delivered to the recipient. The following spam tests returned positive for this message:FORGED_RCVD_HELO,RCVD_IN_BRBL. For further information visitWe are not a spamming community but it seems we have a statice IP address that has a Reverse lookup to "myipaddress.static.lyse.net" and not my email domain. Would setting a cname mail.mydomain.no -> myipaddress.static.lyse.net cure this problem or are there more tricks to be performedOnce I have cured the FORGED_RCVD_HELO I can move to getting the IP removed from BARACUDA.
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Mar 31, 2010
To create a static library, or to add additional objectiles to an existing static library, I can use a command like this:ar rcs my_library.a file1.o file2.oBut how to add an existing static library to my own static library. I have created my own static library using the command above and want to link against the library libuuid.a (placed in /usr/lib/).
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Jan 19, 2009
I have a server in the office and when I need to connect via cable I have to start up a root terminal and type in:
route add -net 0.0.0.0 gw 10.0.1.10 dev eth0
Is there a way to have this saved so I don't have to re-type it every time ? I already tried adding the command in /etc/rc.local and also in /etc/network/interfaces but it doesn't.
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Jan 18, 2010
I would like to put my webcam up and upstream to 'ustream' to show my ponies playing. The distance between my computer and the stable is about a 100 feet. Is there enough power to push the signal that far or do I need to put a booster along the route.
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Nov 4, 2010
I am running a VPN (Juniper Networks client) and an ifconfig shows me that its opening a tunnel and also adding routing instructions (I think). Anyway the problem is that when I'm connected to the VPN, I lose route to all my local machines and this is getting annoying when I want to use ssh.Does anyone know how to not route a certain range of IP's through the VPN?
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May 11, 2010
I've succesfullly connected to my vpn with kvpnc, but none of my traffic is going through the vpn! I dont know how to route traffic to the vpn. for instance, when I go to whatsmyip.com it still has my previous ip.
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Feb 1, 2010
I'm trying to move away from using /etc/rc.local for adding routes I've added
IPADDRESS0=xxx.xxx.xxx.xxx
NETMASK0=xxx.xxx.xxx.xxx
GATEWAY0=xxx.xxx.xxx.xxx
to /etc/sysconfig/network/network-scripts/route-eth0 after doing 'service network restart' I'm do see the new route as described by directive above. However, I still do not see the default gateway that's supposed to be on my box. Where/how do I define the default gateway using the route-ethX method above?
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Oct 13, 2009
I have a suse with 2 eth interface both connected :
eth0 is configured with public ip Code: eth0 Link encap:Ethernet HWaddr 00:1E:0B:48:7E:D2
inet addr:87.*.*.* Bcast:87.*.*.* Mask:255.255.255.240 and eth1 with internal ip Code: eth1 Link encap:Ethernet HWaddr 00:1E:0B:48:7E:DA
[code].....
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Aug 21, 2009
I use linux.
I have below error, no route to host.
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May 31, 2010
Code: route add -net 192.168.98.0 netmask 255.255.255.0 gw 192.168.99.1 -net 192.168.98.0 , is it for ip address of the client/host? man route says , "target is a network".What does it mean?
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Dec 3, 2010
I'm using Fedora 9 and has finished the DHCP for my eth2 and static on eth0. I would like to add a route so that the 192.168.22.x eth0 and 192.168.26.x eth2 can communicate to each others,.
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Mar 16, 2011
What does it do? Any examples on how I use it?
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Sep 25, 2009
Code:
Code:
Code:
Code:
Code:
Why can I not reach 192.168.1.1 ?
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Jan 15, 2010
I have two machines: A.domain.com: (Old mail server): Red Hat 9 (Linux 2.4.20-30.9) B.domain.com: (New mail server): RHEL Client 5 (2.6.18-164.2.1.el5) (Both machines are in the same subnet and on the same switch). I wanted to test the new mail server by sending an E-mail message to it from the old one, but the maillog says
[code]...
I can ping from A.domain.com to B.domain.com and from B.domain.com to A.domain.com . I can traceroute -p 25 from A.domain.com to B.domain.com and from B.domain.com to A.domain.com. I can *telnet* on port 25 from B.domain.com to A.domain.com. BUT when I telnet on port 25 from A.domain.com to B.domain.com. I get "telnet: connect to address x.x.x.x: No route to host". The resolved IP x.x.x.x is correct by the way. So I see no reason why. it should fail to telnet on port 25 to A.domain.com.
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Sep 15, 2009
basically what i'm trying to do is get sound from flash videos on videos. my plan is to use gnash to play flash files within firefox. since gnash uses gstreamer to output audio and since i'm using jack for playback, i need to somehow route gstreamer to jack. does anyone know how to do that? here is an ubuntu thread that may help, but i'm not sure how to translate that to fedora. i'm already able to hear the sine tone from running:
code:
gst-launch audiotestsrc ! audioconvert ! audioresample ! jackaudiosink
in the console. i just don't know what to do next.
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Mar 11, 2010
How can I add this to Ubuntu so that I can effectively use both networks connected to my machine. All I do in WinXP is run this from the command prompt: route -p add 10.0.0.0 mask 255.0.0.0 10.15.122.9
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Apr 12, 2010
How would I go about re-routing the audio of a Jaunty PC, to another on the same LAN?
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