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0answers
50 views

Two network interfaces access from the third subnet

I faced the following problem. There is server (Ubuntu 12.04) with two NIC that have IPs 192.168.40.147 (eth0) in 192.168.40.128/27 subnet and 192.168.40.165 (eth1) in 192.168.40.160/27 subnet. Now we ...
0
votes
1answer
370 views

Server with two default gateways won't listen on the second gateway

I am testing a redundant internet connection setup that works like this - I have a network segment, 192.168.80.X It has two gateways - 192.168.80.1 - a FW connected to a frame relay line ...
1
vote
1answer
361 views

OpenBSD: Gateway outside subnet (works in Linux)

We need to set up an OpenBSD host to use a default gateway that's outside of it's subnet. This is all I need to do on Linux (not the actual IPs) to achieve it: ifconfig eth0 33.33.33.33/31 up route ...
0
votes
1answer
65 views

Gateway Selection By Destination Ports

I have found a similar question to mine, but it did not provide the answer I was looking for. I work for a school with two distinct Internet connections, connected to two separate NAT routers. On my ...
2
votes
3answers
273 views

Multiple DNS with multiple WAN

I'm having a Linux gateway with two WANs each one is connected to different provider, each provider has his own DNS server, And local users are connected to the internet via this server [it's also ...
0
votes
1answer
2k views

Hyper-V: Guest external internet access

Following setup: Host machine has 1 physical NIC Host OS = Win Server 2008 R2 (hosted in data center) Guest OS = Win Home Server 2011 Network setup basically as described here or here. Goal: ...
1
vote
1answer
302 views

Two network cards - two routing tables?

I have sporadic routing problems in my setup which I suspect to be an issue with the routing and two network interfaces. I'm running two maschines with XenServer They both have a public NIC with an ...
0
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2answers
3k views

Two routes for localnet, how to delete the one without GW?

I have a system were I get sporadic routing issues. When looking into the routing table I get the following: localnet static.xx.xx.x 255.255.255.192 UG 0 0 0 eth0 localnet ...
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votes
3answers
928 views

want to Make software router having two nic cards using centos 6.4

I'm new on CentOS. I have a CentOS 6.4 system having 2 NIC cards. I want to setup a gateway so I can get internet from public ip over 1st nic card (eth1) and forward the network over 2nd nic card ...
1
vote
2answers
256 views

How to identify and differentiate networks so I can set location?

I am a developer and know just whatever sysadmin/networking/etc stuff I've picked up over a lifetime of computing and developing (not an inconsiderable amount, but I am very far from an expert on any ...
1
vote
1answer
254 views

Configuring Debian as a gateway for two networks

Having a debian server with multiple NICs (eth0 and eth1) acting as a gateway. How would I be able to configure these NICs, so they can route the traffic from one to another. Network layout: ...
0
votes
1answer
3k views

Proxmox - single public ip with multiple vms, openvz containers work, kvm's don't have a route

Currently I only have a /30 block (1 usable IP) (I just ordered a /28 for 13 usable publics, waiting) I just installed proxmox, set up a few virtual containers. Port forwarded the necessary ...
0
votes
1answer
389 views

SSH-Connection through gateway nc not working

I have the following problem: I want to connect from a Windows 7 client to a remote Debian 7 Server via an SSH Gateway running on a SLES 11.3 Server. To test the connection I use plink with the ...
0
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0answers
74 views

Windows 2003 Multiple Internet Connections

I have a Windows 2003R2 webserver and I am trying to set up multiple internet connections, but I am having issues. The server has 3 nic cards and we have 3 internet connections (ISP1, ISP2, Lan/ISP3) ...
-1
votes
2answers
149 views

Webserver Multiple Gateways

I have Ubuntu Server 12.04 I have 3 gateways on my lan 10.0.0.1 10.0.0.2 10.0.0.3 Ubuntu has 3 NICs eth0 10.0.0.60 gw 10.0.0.1 eth1 10.0.0.61 gw 10.0.0.2 eth2 10.0.0.62 gw 10.0.0.3 If a request ...
0
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0answers
307 views

OpenVPN and zeroshell, how to use your own gateway instead the remote one

I'm testing zeroshell, a little linux distribution that act as router/firewall. Through the web interface I correctly configured an OpenVPN tunnel. The tunnel is working but there is a situation that ...
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1answer
323 views

Use of 0.0.0.0 as Default Gateway? [closed]

Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0 169.254.0.0 0.0.0.0 255.255.0.0 ...
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2answers
178 views

how to configure default gateway

On a RHEL6 server I added a 2nd nic and have configured it to use a static ip on a different subnet. $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric ...
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0answers
174 views

One of our customers is experiencing a 504 error, where is that to occur?

One of our customers is having some problems accessing our web site. They've got 2 machines, and each of them is experiencing different symptoms, but I suspect that even though they're experiencing ...
3
votes
0answers
607 views

IPv6 default gateway route disappear after reboot

I'm using Debian Wheezy on a dedicated server which uses IPv4 and IPv6 at the same time. ifconfig eth0 eth0 Link encap:Ethernet HWaddr 11:11:11:11:11:11 inet adr:90.0.0.1 ...
0
votes
1answer
196 views

Packets not going through Linux Gateway

Host: centos6 with ip 10.10.11.36 and gateway 10.10.11.33 Guest two vms with ip 10.10.11.60 and 10.10.11.57 and gateway of that of host ie 10.10.11.36 On host packet forwarding is enabled. from ...
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2answers
645 views

Why VM cannot get the public IP I have from provider?

I have a KVM-Host (on Debian) with root@kvm-host:/# cat /etc/network/interfaces auto eth0 iface eth0 inet manual auto vmbr0 iface vmbr0 inet static address 176.x.y.133 netmask 255.255.255.224 ...
0
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0answers
700 views

pfSense cannot access some web sites

Been using pfSense as my office gateway for a week now. It's works great, but only one wierd thing. Somehow I cannot access some web sites. At first I though it's was a web site itself, so I connect ...
1
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1answer
836 views

Ping reply not getting to LAN machines but getting in Linux router Gateway,Internet not working on client

I have configured Centos 6.2 as Gateway machine.its having two interfaces eth0 with ip address that provided by isp 116.x.x.x(Static) and eth1 with ip address 192.168.0.1(no,dns,no dhcp configured ...
0
votes
1answer
112 views

Load Testing a Security/Gateway Appliance

In a couple weeks I will load testing a security/gateway appliance. We're a small residential college, and that "residential" means the traffic moving through the appliance is a bit like the Wild ...
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0answers
441 views

Unable to ping gateway via bridge nic

I'm trying to install KVM on Ubuntu 12.04 server. We have multiple nic on this server of which we primarily use eth0. The server network runs fine(i'm able to ping gateway, ping dns server and ping ...
0
votes
1answer
141 views

Adding an interface-specific gateway

Desired result: Assign an interface-specific gateway in the circumstance that are also receiving general DHCP-supplied gateway settings. Current situation: Interface-specific gateway setting is not ...
-1
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1answer
3k views

Multiple IP - different gateways - one interface - Debian Squeezy

i was reading many answers here and everywhere, but I cannot find the right one. I tried several solutions, but nothing works. I have a server with ONE Interface eth0. I have multiple IP's, but I ...
1
vote
2answers
835 views

gateway lost after upgrade to wheezy

After upgrade from squeezy to wheezy my network configuration lost gateway. (i have lxc containers, and all of wheezy losts, one, which i want to stay squeezy - still have, so i'm sure, that the ...
-1
votes
1answer
257 views

Perform HTTP request through non-default gateway (CURL? WGET?) [closed]

I have two ISPs /two routers on my LAN with Windows boxes. Switching default gateway (per PC) works fine, so I can choose my outgoing traffic from particular PC to be initiated from whichever ISP I ...
2
votes
1answer
667 views

lxc container not getting default route

I'm running Ubuntu Precise. I understand that my current version of lxc doesn't support gateway/default route assignment (lxc 0.7.5-3ubuntu67). I've been trying like heck to get a few lines to execute ...
1
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2answers
3k views

How to configure a 2nd router to act as VPN gateway

i need to configure a new router with DD-WRT, in my network, configured as gateway VPN. My main gateway router is configured with ip Address 192.168.1.254, Subnet 255.255.255.0. It act also as DHCP ...
0
votes
1answer
1k views

iptables with DNAT and multiple gateways: How to route replies to correct gateway?

I have a problem setting up iptables rules and routes on a Linux client for a scenario with DNAT and multiple gateways: We have two gateways to the Internet. The first has a fixed IP, the second ...
1
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4answers
539 views

What does gateway mean in linux route table?

Does it mean the next hop of the route? Can the gateway be the next next hop, if there is an internal router in the private network?
1
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0answers
340 views

Using iptables to route all internal data to tun0 from eth0

Looking for a few answers ;) I'm running Zentyal on a gateway. The gateway is also an OpenVPN client, to a server I run out of another country. Interfaces are thus : External : eth1 (dhcp from the ...
0
votes
2answers
313 views

OpenVPN Allow Servers to talk to VPN Clients

I have setup a VPC in Amazon with 2 subnets. The public subnet has a ip range of 10.0.0.XXX and a private subnet with a ip range of 10.0.1.XXX my OpenVPN sits on 10.0.0.100 and hands out ip from the ...
0
votes
1answer
818 views

How to set Fortigate 60 as gateway

I need to use Fortigate 60 as gateway. I just switched to NAT mode. Gateway IP from ISP: XXX.255.136.41 - 255.255.255/48 Real IP from ISP - WAN2 IP: XXX.255.136.45 Internal IP : 192.168.35.1 I can ...
3
votes
3answers
2k views

Mysterious “fragmentation required” rejections from gateway VM

I've been troubleshooting a severe WAN speed issue. I fixed it, but for the benefit of others: Via WireShark, logging, and simplifying the config I narrowed it down to some strange behaviour from a ...
0
votes
3answers
1k views

OpenVPN - Client traffic is not entirely routed through VPN

I installed OpenVPN on my dedicated server. Using Viscosity or Tunnelblick on the client, I successfully connected to this server. However, after some tests, I realized that not all the traffic ...
0
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2answers
3k views

gateway iptables dns redirect

I'm having a problem with redirecting pc's dns requests to a local dns server. I want to block access to other dns services except my own. I've found different methods of doing this, none work here. ...
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vote
2answers
513 views

Default gateway and bridged interface

I have slackware based server with openvpn bridging, this is my settings of interfaces: root@senior:/# ifconfig br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet ...
1
vote
1answer
4k views

pfsense: all interfaces up, but all non default gateways down

I am seeing some strange behavior in pfSense 2.0.3 in which all of my WAN interfaces are up according to the Interfaces screen, yet all but the default gateway are shown as "Offline" in gateway ...
2
votes
1answer
6k views

Specifying Gateway for VPN Connection

I'm not very familiar with networking really, so go easy on me! I need help enabling Split Tunnelling for client connections to my newly created VPN server. I've un-ticked the Use Default Gateway on ...
0
votes
2answers
706 views

Confusion Post FedoraCore Upgrade: NAT / port forwarding trouble, and POSTROUTING MASQUERADE has unexpected influence on forwarding ports

Following a gateway / firewall system's hardware failure, a younger version of Fedora Core (17) was installed on new hardware, and the old 'iptables' and system-config-firewall files from ...
0
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1answer
61 views

define a specific mail-relay for a specif group in Exchange

So, my question is, how do I define a specific mail-relay for a specif group in Exchange. Lets say I have an exchange server (2010) in IP 10.0.0.1, the default mail gate-way is 10.0.0.2, now, I have ...
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vote
1answer
1k views

Linux implementation of TS gateway

I was wondering if there is a linux implementation of a TS Gateway, like the one present in Windows Server 2008. My scenario, I have a Windows remote desktop client behind a Linux Gateway at home, ...
0
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1answer
393 views

how to find default gateway on virtuozzo VPS?

trying to install tinc on VPS but config need Subnet which is modem IP i think as they entered 10.0.0.1/32 on demo. but on my vps ping of either 10.0.0.1/32 or 192.168.1.1 don't replay. if i put ...
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2answers
302 views

Client Login before accessing the internet [closed]

I wanted to create an internet gateway server where the client connecting to my network must enter a username and password, where the server checks if username and password is correct before they can ...
3
votes
1answer
637 views

NAT with multiple gateways

I have the following setup: My Lan is 10.56.8.0/23 I have a gateway with internet access(INETIP-A) and the LAN IP 10.56.9.1 I have another gateway with internet access(INETIP-B) and the LAN IP ...
0
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2answers
104 views

postfix email gateway

I am setting up a postfix email gateway. It will not hold any mail but will accept email for my domain and forward it to another internal mailserver and relay mail out from the internal server. One ...