Networking :: How To Reload The Routing Table

Apr 5, 2010

After making an changes (add/modify/delete) to /etc/static.routes, what command should we use to reload the routing table?

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Networking :: Insert Routing Data Into The Routing Table Doesn't Work?

Apr 6, 2010

I have a firewall, this consists of three NIC's:

Code: eth0[192.168.0.2] eth1[192.168.1.2] and eth2[10.10.165.2]

I am trying to ping eth0 from eth2, but I am not able to succesfully get a response from pinging the device, I am using:

Code: ping 192.168.0.2 -I eth2

I have tried to insert routing data into the routing table, but it still doesn't work

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Networking :: Routing Table For 2 Servers?

May 18, 2009

routing tables using "ip route 2" I have a server(server1 from now on) with eth0(internet connection) and eth1(lan connection). eth1 have 2 more alias devices = eth1:1 and eth1:2 On my server 1 the eth0=public ip, on eth1=192.168.10.1/24, eth1:1=192.168.20.1/24 and eth1:2=192.168.30.1/24 server1 is running squid and iptables to all 3 networks (eth1, eth1:1 and eth1:2) All of the clients have access to internet. Now what i want to do is add 3 more networks via a router(linuxBox = server2 from now on) connected to server1 in eth1. so the network will be like this:

Code:

server1
eth0=internet
eth1=192.168.10.1/24 (connected to server2 and other clients)

[code]...

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Networking :: What Does Kernel Routing Table Mean

Mar 1, 2010

A packet is sent from the computer to the router it's connected with only the destination address in it, right? So - what does "kernel routing table" mean?

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Networking :: Creating A Static Routing Table ?

Nov 29, 2010

I have to connect my private adres 10.0.0.2/26 to an external adres 192.168.1.253/16

I am not allowed to use Nat so i have to create a static routing table..

Ive put a router between with 2 nic's:

Ive seen on various sites that :

Should do the trick but it isnt working for me ... Ipforwarding is enabled.. Also when i use the sys/proc command..

How to make the table? I am using Opensuse 11.2

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Networking :: Routing Table Is Read From The Wrong Eth?

Aug 26, 2010

eth1 which is connected to interneteth2 internal networkbecause the server is part of a complicate network i need to setup the routing tables for eth1 and eth2but i need that the default 0.0.0.0 must be read from eth1 while i dont know why the server first read the one on eth2. this creates big problem to me.if i add the default route to eth1 i get an error saying that the default route already exist (i suppose is the one on eth2)how i can solve this ? i must create a script that first delete the default from eth2 and after add it to eth1

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Networking :: Restore Back The Default Ip Routing Table?

May 16, 2010

Is there any way to restore back the default ip routing table? For example, my current routing table is something like

Code:

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
109.123.95.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
0.0.0.0 109.123.95.1 0.0.0.0 UG 0 0 0 eth0

Then i connect to a vpn service and the routing table get's changed..now when i close it, it doesn't reset back to my default routing table.

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Debian :: Can't Configure Routing Table

Apr 24, 2016

After a long time that I didn't touch my PC I just forgot how to configure the routing table I trying to ping the router and get "destination host untraceable" I manually assign the ip of the machine to 192.168.1.2 .And the gateway ip to 192.168.1.1 the only problem now
Is to get to the router interface on 192.168.1.1 to configure my internet and to browse

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OpenSUSE Network :: Routing Table Does Not Get Complete?

Aug 5, 2010

My routing table does not get complete for some reason. I'm using a Huawei E220 USB modem on openSUSE 11.3 using NetworkManager to connect.When I connect to the net the routing table looks like

Code:
/home/freefox # route
Kernel IP routing table

[code]....

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Ubuntu Servers :: 9.10 - Routing Table Getting Corrupted

Jul 25, 2010

I have an Ubuntu 9.10 server installation which have been working flawlessly for some months. The server runs bridged networking, because of some VMs that runs on it. But, a couple of weeks ago the network connectivity have started to disappear now and then (usually once a day or so). Running "sudo /etc/init.d/networking restart" always kicks it back to life.

After a bit of debugging I noticed that when OK the routing table looked like this:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 * 255.255.255.0 U 0 0 0 br0
192.168.122.0 * 255.255.255.0 U 0 0 0 virbr0
default 192.168.1.1 0.0.0.0 UG 100 0 0 br0

While when in the non-working state it looked like this:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 * 255.255.255.0 U 0 0 0 br0
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
192.168.122.0 * 255.255.255.0 U 0 0 0 virbr0
default 192.168.1.1 0.0.0.0 UG 100 0 0 eth0
default 192.168.1.1 0.0.0.0 UG 100 0 0 br0

Deleting the two routes to eth0 restores the networking again. Why these "erronous" routes gets added, and what adds them? How to further debug this?

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General :: How To Configure Routing Table To Add Correct Gateway

Dec 10, 2010

When I try wget URL... I get failed: connection timed out.I have created br0 as a bridge over eth0 to run this VM. The host has this IP 172.30.8.135.The host has access to internet through eth0 and this is the output of route inside the host.

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Server :: OSPF Cannot Exchange Routing Table Between R1 & R2 On Quagga

Apr 28, 2011

First, I installed CentOS 5.5 and Quagga 0.99.17.

Then I configure to run OSPF v2 on R1 and R2 following below:

I added --> #echo "1" > /proc/sys/net/ipv4/ip_forward to forward packet on centos

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General :: What Does "gateway" In Routing Table Refer To

Feb 15, 2010

What exactly does gateway in a route refer to? I know what a default gateway is- it's the route of last resort. But used in context of a host route (with destination specified), what is a gateway and why is it important?

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Server :: When Rndc Reload Or /etc/init.d/bind9 Reload Got This: Rndc: Connection To Remote Host Closed?

Nov 30, 2010

We have ubuntu server and bind9 installed and setup.When I issue rndc reload or /etc/init.d/bind9 reload I got this:rndc: connection to remote host closedThis may indicate that* the remote server is using an older version of the command protocol,* this host is not authorized to connect,* the clocks are not syncronized, or* the key is invalid.If I issue named-checkconf /etc/bind/named.conf I got this:/etc/bind/named.conf.local:165: unknown key 'rndc-key'I got the key files in the right location but I'm not sure if we even need to use them.

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CentOS 5 Networking :: Proxy - Error "can't Initialize Iptables Table `nat': Table Does Not Exist"

Aug 19, 2011

We purchased a virtual server from GoDaddy (1 month trial) to set up as a proxy for our networks (24 of them). I am having 2 separate issues. The first is I can't configure/install NAT and support is telling me the only way I can is to purchase a dedicated server. Here's the error:

iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 3128 iptables v1.3.5: can't initialize iptables table `nat': Table does not exist (do you need to insmod?) Perhaps iptables or your kernel needs to be upgraded. Here's the fix: [URL] So, what I am hoping to do is configure this by just opening port 3128 directly, and only allowing access from our networks. As a test I did this and allowed only from our office and it did not work. However I can't connect, so I am wondering what I am doing wrong? Here's my squid configuration:

[Code]....

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Networking :: Networking Routing \ Use The Terminal To Assign Server Eth0 A Proper IP Address?

Jun 8, 2010

i know exactly what i need to do, im just not familiar enough with command line to do it properly.i have 7 computers.the first 4 are connected to a router via wireless at one end of the house. of the last 3 only 1 will be able to access the router via wireless, so it needs to share it's one wireless connection via ethernet. this computer i'm going to call 'server'server will have two IP'swlan0 192.168.1.6 this connects to the router that has internet access.eth0 i intend to have the following settingsip:192.168.0.1sub: 255.255.0eth0 will connect to a second router, where the cat5 cable goes from the server, into the internet port of the router where i will define the router's static IP:IP: 192.168.0.100sub: 255.255.255.0gateway 192.168.0.1i have then set the router IP for LAN handling as 192.168.27.1 and all ethernet connections will have a 192.168.27.x IP.

so i need to know how to, without a gui application, use the terminal to assign server eth0 a proper IP address, and tell the server to take the connection it has and share it through eth0 to supply internet for the last 2 computers via ethernet.i had it set up in this way with a windows machine being the one that had the wifi access, but i'd rather have it setup for the ubuntu server to do this task. security is imperative for these 3 remaining machines, so just getting 2 more wifi adapters for a connection to the initial router isn't an option.the 2 that connect to server do so through SSH and though server IS connected via wireless it only makes outward connections through

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Networking :: Routing Packets From One IP To Another

Sep 6, 2010

My setup is...I have a wireless access point using laptop as a gateway. The AP is also connected to a switch as is the laptop. So the laptop has two interfaces one wireless and one wired. A third device is using the AP to connect to a server on the internet. The AP sends the packets to my laptop where they are dropped. I've been looking for a solution to this problem without success. Basically is there a way for my laptop to forward all packets it sees from a certain IP address to whatever destination address they have?To clarify, my laptop is just the gateway of the AP and none of the packets are addressed to it at all, it just picks them up using a sniffer or similar tool.

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Networking :: Routing Between 2 Nics?

Mar 10, 2011

I have a pc with debian 6 (without GUI) installed on it and want to use it as server at home. It has 2 ethernet nics. Now i want to configure the routing process. Searched internet for a long time found something but couldn't get it work.

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Networking :: Routing DNS Through SSH Proxy?

Feb 17, 2010

When setting up an SSH proxy, I know you can configure Firefox to route DNS requests through the proxy. Is this possible from linux directly? I'm trying to use wget through the proxy, including DNS lookups.

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Networking :: Routing Two Subnets ?

Jun 26, 2010

I have two subnets which I am interested in connecting.

Some basic network details:

Subnet A:

Subnet B:

I am trying to think of any further relevant details, but that seems to be it to me. If I forgot anything, please tell me.

Ok the question. WHAT do I type? (Explicitly!) And WHERE do I type it? In order to reach ubuntu-01.tec.lan, or ubuntu-02.tec.lan from perpetrator.tec.lan or rapine.tec.lan?

I'm interested in using actuall ROUTES. I can already achieve results similair to this with either a NAT firewall, or with VPN.. but that's not what I am interested in.

From what I have found out so far, I should need something like the following:

On Gateway 1B:

Code:

And on Gateway 1A:

Code:

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Networking :: Routing Wireless AP To LAN

May 14, 2010

I'm newbie to Wireless. Currently I try to implement EAP-TLS but firstly I need to get the hardware work, allow Access Point to Route from Wireless to Wire (LAN DNS server).

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Networking :: Routing With 2 WANS 1 LAN

Apr 22, 2010

I am having some trouble setting up routing on my Ubuntu 9.10 Server. I have the GUI installed with Webmin and OpenVPN Heres the setup :

1 NIC - WAN - eth0 - IP: 146.231.x.x SUBNET: 255.255.252.0
1 NIC - LAN - eth1 - IP: 192.168.1.1 SUBNET: 255.255.255.0
1 NIC - ADSL - eth2 - dynamic

What I need to do is the following.

All users are connected to the LAN.

All requests for IP range "146.231.x.x", and "domain.com" need to be routed from LAN (eth1) to WAN (eth0).

All other internet requests need to be routed to ADSL (eth2).

-> I have the masquerading in the linux firewall working for NAT, but all traffic goes to ADSL (eth2).

-> I am using OPEN-VPN over the ADSL also.

-> DHCP and DNS work fine.

I also need all ports opened with the route (from eth1 to eth0)

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Ubuntu :: Open Office - Import The Contents From Web Page Table To Presentation Table?

Oct 23, 2010

i need to prepare a presentation for that i have to copy a table from [URL] to my power point slide. but when i am copying it i am just getting a table with single column. is there a method to import the contents from web page table to my presentation table?

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OpenSUSE :: Kmail Akonadi And Mysql Errors - Can't Open And Lock Time Zone Table: Table

May 3, 2010

Kmail 1.13.2 Problem on startup, error is from nepomuk, data storage. "cannot find Redland backend, nepomuk is disabled until fixed. Also see the following error from the akonadi console:

100503 10:00:15 [Note] Plugin 'ndbcluster' is disabled.
100503 10:00:15 InnoDB: Started; log sequence number 0 31413862
100503 10:00:15 [Warning] Can't open and lock time zone table: Table
'mysql.time_zone_leap_second' doesn't exist trying to live without

[code]....

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Fedora Servers :: Use Tab Networking In Kvm With Routing?

Mar 3, 2009

I want to use tab networking in my kvm with routing.Can any one guide me how i can do it. i have been reading different guides over the net but not understand any one clearly.I have read this[URL].. One problem is this all my server are remote and no gui is running.I am able to install kvm with ssh console with -nographic and -x "console=ttyS0" option now i want to change from bridging to tap networking with routing.And i have live ip on kvm guest/Virtual machine.

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Fedora Networking :: Different Routing From Inside And Outside?

Feb 20, 2010

IN LAN default GW box I have a routing rule of 172.17.1.0 192.168.180.100 255.255.255.0 UG 0 0 0 eth3 that sends packets matching 172.17.1.0/24 to eth3 etc. When I ping 172.17.1.50 - it goes correctly when ping is issued in the same box (LAN GW) - falls through to default rule when the ping is done in LAN's boxes i.e. it goes to the LAN GW box and then to Internet incorrectly instead of going to eth3 and 192.168.180.100.

Is there any way of seeing why the packet matches or not the routing rules?

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Ubuntu Networking :: Routing Between Two Subnets ?

Feb 16, 2011

I have a network routing problem that I need to fix using a PC with ubuntu installed.

Here are the details of my problem:
- I have two networks.
- The first network is an ADSL router with subnet 192.168.1.x. I do not have access to the router nor change any of its configuration.
- The second network has a subnet 172.26.x.x and connect via a wireless access point. Some of the devices connected to the network require to have static IPs.
- I have a PC with ubuntu installed and two ethernet cards: one connected to the first network and the other connected to the access point.
- I need to share the internet connection between the two networks using ubuntu. I already tried before on windows and the sharing worked when both networks were configured to use the same subnet. Once I changed the subnet of the second network, internet sharing stopped working.

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Networking :: Routing One Gateway To Different Subnets ?

Sep 3, 2010

Im having a issue with routing internet traffic from my router two different subnets (vlans).

Theres my setup:-

Server:

Both eth0,1 are running dhcp (two scoopes) that works fine!

The output of route -n is:

I have ip_forwarding on aswell, but i can ping the ip on the server running that dhcp scoope ie ping 192.168.4.1 works great but i just cant get the internet on the clients.

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Networking :: Change Routing On Certain Conditions?

Feb 24, 2011

I have two linux boxes running RHEL 5.5 with internal ip addresses 10.0.0.114/24 and 10.0.0.118/24, and usual gateway 10.0.0.1. There's an apache listening on both ports 80 and 443 for several websites. This works nice, but the feature for load balancing has to be added. For this, externally, but in the same subnet, a hardware device has been placed for load balancing (we call it "F5"), with internal ip 10.0.0.152 (vrrp for 10.0.0.153 and 10.0.0.154). There's a service address that does NAT via round robin to the servers, 10.0.0.208, managed by the F5 balancer.

If I set as gateway the ip 10.0.0.152 in both nodes, I can use the service address for browsing http and https, *BUT* at a cost that ssh and any other connections, at OS logging level, come from 10.0.0.1, which is innaceptable (i.e., I can' set proper security, regardless the F5 is badly configured), so I have to find another way for this. So, I thought of using iptables mangling capabilities, and my thought is that just changing the default route of the incoming http(s) traffic, everything should be ok. I've done the following:

- Create a table called "F5":

# cat /etc/iproute2/rt_tables
[...]
#1 inr.ruhep
#

[code]....

If I tweak the hosts file in my M$ workstation to test individual access for each server, I can browse the websites with no problem, but if I set the service IP address, I get an error "Document contains no data" in the browser after just a few seconds. Apache logs show nothing in its logs. I can see packets arriving, but seem to go in a loop. I can provide some output, but since surely I'm making some mistake in the process, if I get help with the proper knoweledge about how to fix it, the problem will be solved. But if still someone needs it, I can provide more data.

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Networking :: Public Static Ip Routing ?

Jun 14, 2011

I've been trying to get it work for 2 days now..

Here's my setup.

MODEM -> router (ISP one don't have access)

from the router it split into 2 connection one to my GW (linux debian) and another to a switch which is connected to a web/email server and the gateway.

My gw use x.x.x.27 and x.x.x.26 (everything I use on these ips is ok)

on the web/email server I have x.x.x.28 29 and 30

With this setup it's ok but I want to eliminate the link to the switch and make it pass thru the GW and i can't manage to get it work!

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