the process by which data packets on communication networks are forwarded into the direction of their ultimate destination by routers.

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31 views

Different gateway per command

I have a network with multiple gateways and one is set as the default gateway on a server. I want a single specific command to use a separate gateway for all its traffic. How would I achieve that? ...
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0answers
20 views

Setup server hosting hyper-v as a router

I have a windows 2012 server hosting several windows VMs by hyper-V. As I was building this infrastructure at home all VMs got IPs assigned from my home router (DHCP). So both hyper-v manager and VMs ...
1
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0answers
39 views

Assign a public ip to openvpn client

For learning purposes, I'm trying to set up openvpn server, so that each connected client would get a unique public ip address. I have a vps server and I ordered extra 8 static ips and they are ...
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0answers
19 views

Bizarre routing table name resolution issue with openvpn

I have been having some rather odd issues with my routing table. I am running a Debian Wheezy system, and for a while now, whenever I connect to my home wireless network AND my VPN server, (but not ...
1
vote
2answers
55 views

setting up linux router

I have setup three Ubuntu VMs in vmware. These are connected as: Now I want to use UBUNTU2 as router, so that when I run these commands in UBUNTU1, I get response from UBUNTU3, commands: ping ...
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0answers
40 views

Multicast destination NAT on same network interface, with netem

For testing purpose, in a big network where IT will shoot me if multicast data are not streamed in the right VLAN, I am trying to degrade multicast packets with a server running netem configuration. ...
1
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0answers
42 views

Ubuntu 12.04 Router Firewall TTFB Delay

I use Ubuntu Server as my router/firewall for my network for a number of reasons. Until recently, I was using 10.04 with great success for this purpose. The OS provides DNS lookup and DHCP using ...
0
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1answer
37 views

Cant route traffic through OpenVPN on Debian 8

I have been trying to setup OpenVPN and have run into a bit of a hiccup, i have can't seem to route all my traffic through the server. I can connect to the server just fine but i can't seem to ping ...
0
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1answer
41 views

Gateway can't ping client

I try setup a new gateway in my virtual network. But sure I' have a problem. The Gateway cannot ping client but client can ping other client and gateway. So I have check my iptables rule (I does'nt ...
0
votes
1answer
39 views

OpenVPN client nslookup failure after disconnect

Currently I am trying to route my traffic through a gateway running Debian Linux which forwards all incoming traffic thorugh a VPN connection (Client -> Gateway with OpenVPN client -> VPN server -> ...
6
votes
1answer
51 views

Prevent hijacking IPs in KVM/libvirt

How can I prevent a VM user/client from accessing IP addresses he doesn't own but are routed over the same bridge on KVM/Libvirt? IP addresses are routed to a cisco switch vLan consisting of a /24 ...
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2answers
45 views

Can ping server one from client 1, but can't ping client 1 from server

I set up a router on my linux machine as described here. Now I can ping the server/router from my windows client. I can also ping my linux client from my windows client. But I can not ping the windows ...
0
votes
1answer
54 views

centos doesn't reply to icmp request

I have the following situation: Centos7, 2 NIC with following setup: em2(NIC2) : 82.79.24.74/29 82.79.24.75/29 em3(NIC3) : 192.168.0.240/24 192.168.133.240/24 ...
0
votes
2answers
68 views

How to set up iptables for local router machine?

I have set up a local linux (14.0.4 Ubuntu) machine as a router and can do the following: ping server/router from the clients ping clients from server/router ping one client from the other ping the ...
0
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0answers
40 views

Vyatta or VyOS can support odd or even IP source routing or not

I tried to configure the even/odd policy for IP source routing in Vyattta/VyOS, but I get the below error message: Configuration error: "0.0.0.1/255.255.255.254" is not a valid IPv4 subnet ...
0
votes
1answer
40 views

How can I do site-to-site OpenVPN routing without NAT

I have two OpenVPN servers at different location. Each machine in one location can ping and connect to every machine in the other location. My problem is when I use SSH to connect from machine A in ...
3
votes
0answers
52 views

some IPs within a subnet not reachable

I'm running 3 Debian-Servers, each with its own IPMI. All IPs are within the same subnet with the same gateway. The problem is, that each server can ping its own IPMI but not the IPMI of the other 2 ...
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2answers
44 views

Accessing server on private network

I have several IP based data-loggers behind a customers' gateways/proxies/etc. Around every couple hours, the data-loggers will act as clients and initiate communication in order to upload trend data ...
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0answers
10 views

Mikroti - route between 2 public adresses

I have 2 public addresses on mikrotik. Both using nat, but first is for normal users and second is for servers that I use on public network. I need to connect to second ip and services behind second ...
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0answers
50 views

Strongswan ipsec linux not passing traffic after established

I currently have two PFsense routers that connect over the WAN using a similar configuration and traffic is passed with no issue. I'm trying to set up a 2nd path over 4G WWAN and have to use linux ...
0
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0answers
15 views

Cannot connect two different networks on rhel6 on 2 virtual NIC's

I have a RHEL6 machine on VMware with 2 Virtual NIC's. The output of the ip's and networks are as below: $ ip a|grep "inet" inet 192.168.17.128/24 brd 192.168.17.255 scope global eth0 inet ...
3
votes
1answer
47 views

Odd Routing Issues With LAN & VPN

I'm having some strange issues with traceroute. I have seen this happen before, but never on my local network. When I run traceroute to a host that is litterally one hop away on my lan, this is the ...
0
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2answers
26 views

Allow others to use a server-to-server IPsec connection

I have an issue concerning secure IPsec connection between two servers over the internet. One belongs to us and lives in our data-centre, and one belongs to them. I need to somehow let members of my ...
1
vote
1answer
17 views

How to access special website thought VPN?

I have two SSG5 to build up an route based VPN with static global IP, I want site A to browse the special (external site) via the site B network. Google Site A --> Site B ...
1
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0answers
26 views

Linux: even with route, packets not going over the interface

I apologize but this is a question I jotted down when debugging another problem, so I can't provide any additional information. Anyway: suppose we have no firewall rules, and the following route ...
2
votes
1answer
43 views

Shorewall: VPN clients can access LAN resources, but not the Internet

I set up a network in my studio's office with a Raspberry Pi serving as a VPN server for remote clients to access LAN resources. Router port-forwards 1194 port to RPi, so it's accessible from the ...
3
votes
0answers
54 views

How to split traffic through two different network adapters based on TCP port in OS X

I have a scenario where we will be using a Mac to stream video content to an RTMP server. This RMTP service provides 2 ingest URLs so that you can upload the same video content twice and have ...
0
votes
0answers
30 views

How to correctly setup Shorewall on VPN server connecting VPN clients to server's local network and vice versa?

I'm having some problems with my network setup. It looks something like this: The goal was to create a VPN server inside the local network that will a) Allow VPN clients to access local network ...
-1
votes
1answer
35 views

Iptables DNAT working in my own network, but not through VPN

For some reasons I need to switch a server ip to another ip, in order to be seen by another computer elsewhere through vpn. So I'm using iptables (didn't know any of that until yesterday) and testing ...
1
vote
1answer
87 views

Routing between pfSense Subnets and IPSec VPN

I have a pfSense Router, which is the endpoint of a site-to-site IPSec VPN. In the pfSense the main LAN Interface is 10.0.2.1/24 and it has a virtual IP 10.0.125.1/24 The IPSec Phase 2 connects the ...
1
vote
1answer
30 views

Does switching routers when using same IP cause temp downtime?

Still learning networking but from my understanding MAC Addresses are what route network traffic so if I switch out a router but configure them with the same IP does it take time for the new MAC ...
3
votes
0answers
80 views

OpenVPN allow two clients to connect to each other without using client-to-client globally

I'm running OpenVPN 2.3.7 on CentOS 6. I'm using routing (tun) and have two instance of OpenVPN. On the second instance there are two clients that I'd like to be make visible to each other i.e ping, ...
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0answers
12 views

ppp interface: Possible Route Issue

So, I've two machines with 3G cards, using the same carrier, and connected to 3G network using a specific APN. This APN is for a private customer network. Under both machines (linux), I used sakis3g ...
1
vote
3answers
47 views

Connect from one LAN to another LAN through SonicWALL

I have a LAN (LAN 1) on the 192.168.1.1 subnet, and another LAN (LAN 2) on the 192.168.2.1 subnet. LAN 1 is on the X0 interface, LAN 2 is on the X4 interface. I want to be able to access a device ...
1
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0answers
11 views

Summary Error Configuring HAProxy via pfSense

I configured a frontend record that is refering to a backend server pool with one record. The referred HAProxy Backend server pool contains a single record with the Max con value set to 2000. In the ...
0
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2answers
58 views

Reaching system behind router

I have a situation where I have a small server appliance that I want people to be able to just plug into their router, turn it on and let it work. When the appliance starts up it determines its lan ...
0
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0answers
22 views

Routing and VPN Setup

The network setup is as follows: Router: eth0 1.1.1.1 (outside) eth1 192.168.54.4 (inside) eth1 10.54.4.4 (inside) Cisco ASA5505 192.168.54.1 (inside) 10.54.4.1 ...
0
votes
1answer
66 views

Lotus Domino - split mail

Here is my environment: My email server is hosted externally (not on Lotus Domino) - let's call it domain.com I have an existing Lotus Domino Application Server (9.01) [ServerA] A new Domino ...
0
votes
1answer
26 views

Egress Interface Routing - Potential Solution?

We have an ISP (ISP1), with a router maintained by the ISP. We are bringing up a 2nd ISP (ISP2), with routers we will deploy and maintain. We'd like to gradually migrate services from ISP1 to ISP2, ...
0
votes
1answer
42 views

127/8 address is not passed to IP stack?

I send IP/UDP frames using raw sockets with destination IP address from 127/8 range - e.g. 127.0.0.6. So, packets are sent over the network OK (checked using tcpdump on the target device). But on ...
0
votes
0answers
32 views

OpenSwan IPSec tunnel not routing correctly

I am trying to enable site-to-site connectivity between my network and a Windows Azure network. I have configured openswan in the local network and service ipsec status reports that the tunnel is up ...
0
votes
1answer
67 views

Windows Server 2008 R2 Standard Dropping Packets

I am seeing a strange problem with my WS2008R2 server I believe is related to networking. The symptom is that 6% of all attempts to ping the server using tcp fails. For example, from another machine, ...
0
votes
2answers
15 views

Redirecting domains and all ports to static LAN ip on connect to a virtual router

I am pretty new to this community and i hope i am posting my question to the right place! I am wondering of the following thing. I have one REAL IP and i can asing many domains to it. I have many ...
0
votes
1answer
66 views

How can I route SSH traffic based on a subdomain? [duplicate]

I have a home server running ubuntu 10.04 that is running two services: an SSH service a dockerized gogs service I would like to essentially reverse-proxy incoming SSH connections based on the ...
0
votes
1answer
27 views

ipv6 address configuration on serial interfaces

I tried to configure Ipv6 static routing on three routers, I configured ipv6 addresses on all three routers using ipv6 address auto config, The middle router have been configured with different global ...
1
vote
2answers
63 views

site-to-site vpn tunnel - does hardware matter? [closed]

I have been tasked with setting up 4 offices and connecting them all together so they can be on the same network. Does hardware really matter or could I build a decent machine in the low $1000's and ...
0
votes
0answers
24 views

Problems with route table with two nics on different subnets

I have an Ubuntu server with two NICs on two different vlans. Both nics are able to reach the internet. The server is an Ubuntu MAAS machine and therefore has pxe and dhcp and such. The DHCP server ...
2
votes
2answers
101 views

How to get public IPs on ESXi VMs?

We have a dedicated server with a hosting provider. We are running ESXi 6.0. The server has a single public IP which is currently being used for the management interface. The provider has also ...
1
vote
0answers
177 views

Access local network resources remotely using OpenVPN [closed]

I've been banging my head against the wall on this for a week, so thought I'd finally turn to the experts. Much appreciated for any help. What I'm trying to do: I have some resources on my local ...
5
votes
4answers
205 views

Route IP Traffic Based on Process to Different Default Routes / Interfaces

I'm trying to determine if it is possible to selectively route IP packets from a process or process group through a specific interface while all other packets are routed through another interface. ...