Ubuntu :: Can't Set Static Route?
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 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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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 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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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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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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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 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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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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Sep 17, 2010
There are two connections in my Ubuntu server: eth0 is a normal interface and, eth1 is configured with an static IP, and has an domain name with that IP. But this connection is charged by bytes, very expensive.
how to set up the route table so that: everyone can access my server with the domain name, and let the traffic goes from eth0 as much as possible(I have a proxy service on my server. At least, let the proxy traffic goes from eth0)?
[Code]...
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Mar 13, 2010
I've got an Ubuntu web server running 9.04 & Apache2. Ive got 2 NICs, one with an internal address for the LAN and one with and external address for the WAN to host the websites. My IP configuration is as follows (/etc/network/interfaces):
# The loopback network interface
auto lo eth0 eth1
iface lo inet loopback
# The primary network interface (WAN)
iface eth0 inet static
[Code]...
When i do a traceroute from a LAN PC and it makes it all the way to the router and then just stops. I'm probably missing something very simple, its been probably 10 years since i took a class in this.
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Mar 24, 2010
I messed up my Karmic install on my laptop trying to get wireless networking connection to behave better I'm not really sure what I did, but the problem I have is that, though it connects to my wireless network, it does not get a route to it. Any attempt to reach the router with a ping yields a destination unreachable. Trying to fix it in true hack fashion, I tried messing around with the static routes. I added an explicit route for my router (route add 192.168.0.1 wlan0) with no avail. I ensured there was a default route to the router which is a gateway outside of my LAN (route add default wlan0 gw 192.168.0.1). I have another route to my LAN network with a gateway of "*". I've done all this but the results are the same.
So, I'm interested in recommendations to fix this. Is there some networking setup/install procedure I can rerun? Does a recovery boot work? Or is it best to go back and reinstall Karmic? Are there other places that you might suggest I look to in order to fix this?
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Apr 11, 2010
I have 3 computers on a local home network. Computer 1 is not receiving incoming anything from other computers on the network, and I don't know why. The regular internet works fine. Computer 1 can ping and ssh into either 2 or 3. 2 can ping and ssh into 3 and vice versa. But nothing can ping OR ssh into 1. Trying to do so says "no route to host". All computers are running Ubuntu Karmic. I don't even know where to start figuring out what's causing this, but it's probably something simple. I'm using the IPs I found listed in my wireless router's web-based control panel.
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Nov 9, 2010
For the last couple of days I've been building on a server built from an old (well, not too old) computer. My goal is to use it for multiple purposes like a webserver, home automation, and possibly a future media center (if I get my TV card to work). But perhaps the main reason is to get wireless access to the internet for my laptop, and to connect it to my other (stationary) computer. When I'm done I'm also planning on writing a guide for setting up an access point with the rt61 chipset, as there seems to be many people looking for this. First I just need to get through this problem though .
For this I use two wired NICs, eth0 for the local interface to my computer, and eth1 as an external interface for the internet. Moreover I use a wireless NIC (DWL-G510 using the rt61pci driver) in conjunction with the daemon hostapd to provide a wireless interface for portable computers to connect to. eth1 gets its IP through DHCP from my ISP, while eth0 and wlan0 have static IPs on two different subnets like this (copied from /etc/network/interfaces):
Code:
auto eth0
iface eth0 inet static
[code]....
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Nov 13, 2010
I have a server set up with a VPN (openVPN with DynDNS). My emails are located there and I can check them from home, office, where ever really, with different computers, no problem.However, due to restrictions of some ISPs I would have to change the SMTP server used, depending on where I am with my laptop.
Now, I thought about using the VPN to also tunnel the SMTP traffic through that. But how am I doing that?So far, when I'm connected to via VPN I simply have a local (from the server point of view) IP address to connect to my IMAP server. But how can I route the SMTP port 25 through the VPN?Is that possible to do, also in a way that I don't have to change anything depending on where I am, as in within the network of the server or outside? Since when I'm within the network the VPN obviously isn't connecting..
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Nov 19, 2010
I have a 10.04 install with 2 network cards. wlan0, and eth0. wlan0 is the internet connection. eth0 is the local network. I want to be able to have internet connection sharing between eth0 and wlan0. I have set everything up, using firestarter.
is there a way of testing the eth0->wlan0 routing from the machine itself? The routing table looks sound, but I would like a quick way of confirming it. Is there a tool, like PING or TRACEROUTE which will let me say "ping [URL] going through eth0" ?
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Feb 21, 2011
I would be getting calls from customers who'd require the service I provide. The issue here is I may not always be around to take the calls so I was thinking if there is way by which I can connect my phone to my ubuntu desktop and keep a track of number of calls and simultaneously record them.
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Apr 1, 2011
I've got this ubuntu maverick machine (that I'm posting from) that I'm converting into a general purpose network computer. I've got two ethernet ports, the dedicated with my cord to the modem/router, the motherboard integrated going to my main desktop. How would I setup a simple two computer network? Main desktop's a slackware machine.
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Jul 6, 2011
I set up a routed OpenVPN server. Everything works fine. But I'd like to route the DNS queries thru the tunnel too. So I added:
[Code]....
Can't find server name for address 10.8.0.1: Non-existent domain Even thou I have a DNS server set up correctly (on the same server as the VPN) with recursion. I verified that by sending queries form external source, which worked fine. I suspect that the Bind server doesn't listen to the tun0-interface only eth0, but the Bind manual says it should listen to all interfaces by default. The server log shows:
Code:
named[9639]: client 10.8.0.10#3807: RFC 1918 response from Internet for 1.0.8.10.in-addr.arpa
How do I get these DNS queries to resolve thru the tunnel?
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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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Apr 24, 2010
I do not understand this command well. Yes, I have looked at man route and that whilst that gives lots of information about the switches I cannot see it in context. I have a server with two nics. One to the Internet (eth1) and one to the lan (eth0). I use pppoe and when it is running I get a virtual adapter appear in ifconfic called ppp0 which shows the public DNS and ISP session IP. I entered the command:
route add -host (gateway IP) dev eth1
and get the Internet to appear on the server. However, I do not get the Internet to the clients. I have turned off the firewall to be sure that this is not the problem.
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