Networking :: RCP Getting "No Route To Host"
Feb 9, 2010
I have a development area that utilizes rcp/rsh between the servers. Recently, we made a network change to have several VLANs instead of a Single-VLAN network to better simulate the actual productions environment. After the change, all my servers are now connected via a Cisco 2960G switch. I can ping and do a traceroute to the servers but rcp connections are returning "No route to host" for two of the servers. I have a total of 5 servers - A, B, C, X, Y. A and B is setup as a cluster, and only B is setup for rcp connection. C, X and Y have been setup for rcp as well. This is what I see:-
B can rcp to C and vice versa
B and C cannot rcp to X and Y
Y can rcp itself but cannot rcp elsewhere --> No route to host.
X can't even rcp itself --> It reports a usage error but the syntax is correct.
The closest source I have is below, but with IPtables turn on. My iptables are turn off for the setup. RCP with IPtables I also noted the following commands available on the Cisco switch:-
ip rcmd remote-host
ip rcmd rcp-enable
But from my reading, it only seems to allow rcp connection into the Cisco switch and not beyond.
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Aug 21, 2009
I use linux.
I have below error, no route to host.
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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.
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May 9, 2011
I have a server that I can ping, and I can connect remotely with ssh to it. But when I try to connect to apache (port 80) I get "no route to host". But I can connect to localhost It's not just my client system that is having this problem but also systems that are on the same subnet There is no firewall running on the server route on the server
[Code]...
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Feb 22, 2011
We have a Red Hat Linux server that sends email out daily. It points to and Exchange server for smtp. It works fine, however, at least once a day, an email will fail and in the maillog I see "No route to host". After a few minutes, everything is working fine. The Linux server and Exchange are on the same VLAN and IP subnet.
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Feb 14, 2010
I have two system, an Intel Core2 Duo system running the 32-bit version of Fedora 12, and a MacBook Pro running the 64-bit version of Fedora 12. I'm using the Gnome desktop on each system. I have enabled all the services I believe are necessary to support NFS including nfs, rpcbind, rpcgssd, rpcidmapd, and rpcsvcgssd on each system. I have added an entry to my /etc/exports file to export my home on each system, and if I type this command:
$ showmount -e localhost
I get a result like this:
Export list for localhost:
/home/tron 192.168.200.101,192.168.200.100
However when I issue this type of command:
$ showmount -e <remote host name>
I get this kind of result: rpc mount export: RPC: Unable to receive; errno = No route to host Research on the Internet indicates this is usually due to a firewall problem. However, I use the Firewall Configuration application to the disable the firewall on both systems, and I continue to get the same result. What is needed so I can get this two machines to display their exported file shares remotely? It turns out I did not disable the firewall when I thought I had. Now that I'm certain the firewall is disabled on both systems, I'm able to get the showmount command to succeed.
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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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Apr 3, 2010
I am using Fedora-10 on 64-bit quad-core xeon processors. I ran ssh-keygen and established passwordless connection between host-client and created a host file named lamhosts as follows:
172.16.122.11 cpu=4
172.16.122.21 cpu=4
where 11 is the host server and 21 is one of the nodes. When I executed 'lamboot -v lamhosts', it failed to boot nodes ssi:boot:base:linear: Failed to boot n1 (172.16.122.21). By googling, I found the error but couldn't yet find a solution.
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Feb 13, 2010
I have two system, an Intel Core2 Duo system running the 32-bit version of Fedora 12, and a MacBook Pro running the 64-bit version of Fedora 12.
I'm using the Gnome desktop on each system. I have enabled all the services I believe are necessary to support NFS including nfs, rpcbind, rpcgssd, rpcidmapd, and rpcsvcgssd on each system.
I have added an entry to my /etc/exports file to export my home on each system, and if I type this command:
$ showmount -e localhost
I get a result like this: Export list for localhost: /home/tron 192.168.200.101,192.168.200.100
However when I issue this type of command: $ showmount -e <remote host name>
I get this kind of result: rpc mount export: RPC: Unable to receive; errno = No route to host
Research on the Internet indicates this is usually due to a firewall problem. However, I use the Firewall Configuration application to the disable the firewall on both systems, and I continue to get the same result.
What is needed so I can get this two machines to display their exported file shares remotely?
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Feb 1, 2011
I'm setting up apache on centOS 5.5 and administering it from another host on my LAN(this web server has no Xorg). I can ping from the config host to the web server but not the other way. My network is quite a way from being set up so i'm just configuring the web server at the moment, the simplest way i can. It's just trying to get two LAN hosts both with 192.168.1.0/24 I.Ps to talk to each other using a router to connect them.
Here are the outputs of ifconfig and netstat -rn for the web server, the config host and the router:
The ifconfig -a and netstat -rn of the config host are:
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
[code]....
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Aug 21, 2010
I am attempting to run apache on my linux router while connected to a VPN. My default route is set to the VPN endpoint and I cannot control port forwarding at that end. I cannot seem to connect to any service that i bind to the eth0 interface. I believe that my iptables rules and OpenVPN are the source of the problem.
/sbin/iptables -t nat -A POSTROUTING -o tun1 -j MASQUERADE
/sbin/iptables -A FORWARD -i tun1 -o eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT
/sbin/iptables -A FORWARD -i eth1 -o tun1 -j ACCEPT
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Sep 3, 2010
I am trying to share directories between two F12 machines on a local network with a router box doing DHCP because not all machines on all the time. Web access is fine and local ping and ssh works but telnet doesn't. I have never succeeded doing mounts. So I have been searching for things to fix the above and have just tried rpcinfo. If I do this :
rpcinfo -p 192.168.2.2 it gives rpcinfo: can't contact portmapper: RPC: Remote system error - No route to host. Does that suggest that actually there is an installation problem? So I tried "yum provides portmapper" and that gives "No Matches found".
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Nov 17, 2010
I have recently set up two machines with F14 and on both, I am completely unable to make remote login via SSH work. openssh-server is installed and seems to work well:
I have already worked for hours on the problem now, using Google and trying numerous things, and still could not find any solution. On my other machine, which still uses F13, remote login works just fine. Is there any change in the default behaviour of the sshd I am not aware of? I would really appreciate your assistance!
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Jun 3, 2011
All I want is to be able to access files on one Ubuntu computer from another Ubuntu computer via a home wireless network. I have been at this for a week now. Scouring the web for answers and so far I have come up with this: Port 22 is open. I have both computers IP addr's via right clicking on the network icon-> Connection Information. ssh is installed and running. Both computers are listening on port22. But when I try Places->Connect to server, I get "no route to host". I'm not a networking guru and I'm at a complete loss on this.
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Jun 22, 2011
I am trying to access a DVD mounted on a machine running Fedora12 (192.168.0.105). I thought this should be possible with NFS, but the above error message is what I keep getting, no matter what I try.
Here is my mount command:
Code:
mount 192.168.0.105:/mnt/dvd -t nfs /tmp/scaleo
The Fedora 12 machine has the NFS server running, and the corresponding entry in /etc/exports is
Code:
/mnt/dvd *(ro)
I thought this might be a firewall problem, but it persists even if I turn firewalls off on both machines (client as well as server.) Also, doing
Code:
ssh 192.168.0.105
is OK, so what is wrong with the route?
I am trying to access a DVD mounted on a machine running Fedora12 (192.168.0.105). I thought this should be possible with NFS, but the above error message is what I keep getting, no matter what I try. Here is my mount command:
Code:
mount 192.168.0.105:/mnt/dvd -t nfs /tmp/scaleo
I now tried
Code:
mount 192.168.0.105:/mnt/dvd -t nfs4 /tmp/scaleo
and it seems the mount succeeded. So, instead of nfs, one must write nfs4?
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Aug 21, 2010
I have a linux router with 2 physical ISPs and a VPN tunnel that all my traffic passes through. I would like to setup a rule to redirect all traffic from one internal IP address (10.0.0.x) through the physical link only. My current script is as follows.
iptables -F
iptables -X
echo 1 > /proc/sys/net/ipv4/ip_forward
[code]....
My goal is to do something similar to the mangle on the tor traffic, but for an entire host.
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Jul 29, 2009
I have 2 clients (one IP 200.x.y.52 and another 200.x.y.47) in ADSL conection and a same gateway (200.x.y.1).
When the server send an email, the error "No route to host" appear. I used TELNET 200.x.y.52 25 (110 soo) and the error occurr in both servers and both directions. The Firewall was disabled .
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Aug 14, 2011
Desktop, laptop, both static IPs, can ping each other no issue. 10.04 LTS.Am attempting to transfer files using Filezilla (which worked when I tried it about two years ago!) and the overall response is 'No route to host'. I have scoured the interwebs and have found no solution. Pretty sure I'm putting in the correct details.
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Nov 21, 2010
My Ubuntu Box has 3 interfaces. eth0 (Internal 192.168.1.0/24)eth1 (External ISP DHCP)eth2 (External ISP Static IP)I need the outgoing traffic to internet for 1 of the internal pc (192.168.1.10) to only go only go through eth2
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Mar 9, 2011
I'm trying to ssh from my laptop to my desktop (both fedora 14) over a local network. I can ping my desktop and get responses, but if I ssh to it, I receive
ssh: connect to host 192.168.100.xxx port 22: No route to host
I can ssh from the desktop to itself.
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Aug 30, 2010
today I tried to configure a network route to a host for testing my network interface. Code: route add 192.168.1.15 eth0 As I have to eth interfaces and both interface got their IP from DHCP (192.168.1.11 and 192.168.1.12) and are in the same subnet, I shut the other interface down:
Code: ifconfig eth1 down Then I tried to test the interface by doing a ping to 192.168.1.15.
Problem: When I unplug the cable from eth0 (and eth1 is still plugged) the ping still works. Somehow my linux (it's debian) powers up again eth0 and pings over this port.
How can I stop my linux doing this. I just want to have the route added only on the one interface - not the other. Is it maybe some case of a default-gateway?
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Sep 29, 2010
I've got a Linksys WRT54G v5 router with the latest (1.02.8) firmware. I have two boxes running Slackware 13.1 (one is 32bit, the other 64bit). Both boxes have Linksys WMP54G wireless cards. I run an ssh daemon on both of them so I can access them to transfer files, etc. I am able to ssh from one to the other. But eventually when I try to do it, ssh will complain "no route to host." Rebooting the router immediately fixes the problem. Both of them can still access the Internet, etc., even if they can't reach each other.
As an aside, transfers between the two boxes can be painfully slow--certainly no where near the theoretical maximum. I looked at switching to DD-WRT, but the instructions seemed to be far more difficult than they would be worth. If nobody has a good solution, is there are reasonably-priced wireless router that you would recommend?
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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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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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Jan 8, 2011
I am using fedora 14..i wanna create webservice in fedora 14...i am able to create sevice in server machine...but the client not able to get service from the server.it shows an error an i/o error has occured.no route to host.....we checked the ip address and port...i am able to ping the server...its connecting ...but it shows this error...?
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Aug 10, 2010
I setup my old laptop for my mom with F13 and have sshd running. My dad set up their DD-WRT router so that it's forwarding port 22 to the laptop's ip address. Yet, I get "No route to host" when I try and ssh in from my house. Is there anything that would be preventing F13 from accepting the SSH connection?
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Jan 3, 2010
OpenSUSE version: 11.2 *and* 10.0 I am unable to send email. It appears I am being blocked by my ISP [URL]... A Wireshark trace shows ICMP type 3 Code 13 - "Administratively filtered". It's important to note that I don't know exactly when the problem started, because I seldom use my ISP email account, I use Yahoo web mail due to the "throwaway" nature if I get hit with spam. I only discovered the problem when testing the functionality of 11.2. I suspect the problem started several months ago: I restored openSUSE 10.0 and the problem exists there too. I wish I'd sent that last email via 10.0 before the upgrade.
The weird thing is that using Windows 2000 box I can get a successful connection using telnet (Telnet also fails on the openSUSE box.) It appears to me there is something in the Linux TCP stack that Teksavvy doesn't like. I am on dial up and I pointed this out to Teksavvy tech support, as I am probably the only person left on dialup and the reason no one else has reported the problem
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Jan 5, 2010
I used ssh to log into my sever that I had and I from there I ran the command dhclient eth by mistake on the server but the serve had an static IP address. Unfortunately I can't ssh back into the server anymore! It replies back with No route not host. Now my questions are. First of all how do I change it back into the previous setting? Secondly, can I do this remotely since the server is in another place and I don't have access to it right now or do I have to go there and sit behind it and play around with it there?
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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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