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

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1answer
16 views

sporadic routing to another website when opening a common url

I have a strange problem in our office: Sometimes when opening a url from one of our projects in any browser not the right website shows up but some other website. In most of the cases it redirects ...
0
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1answer
108 views

Access to a network server without port forwarding

I have a network with the following structure. The server in PC2 is simple socket server TCP in 8080 port. I need to access to PC2 from other external network by socket client. This socket client ...
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0answers
66 views

Windows 2008 R2 site-to-site IPSEC tunnel with Juniper: tunnel up but packets are lost

I am stuck on this task almost for 2 days. Organized a site-to-site IPSEC tunnel between Juniper and Windows2008R2 machine (let's call it W2008R2 for reference). W2008R2 is a multihomed machine (2 ...
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0answers
34 views

How do I change outgoing ip address for port 80 only

On my linux server I have multiple ip addresses I can use ip route change default via $gateway dev eth1 src $ipaddress to change my default outgoing ip. Can I do this for only one port All ...
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0answers
20 views

need to exclude a static route from being redistributed into eigrp

I have some asymmetric routing and need to point a public IP back through my network. We are redistributing static into EIGRP. Does anyone know how to exclude a certain static route from being ...
0
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1answer
194 views

How to configure OpenVPN server to use custom default gateway?

I have a vpn server at address 10.1.0.2 and the server have another ip in it's network -- 10.0.0.2 in his subnet (it's a tun2socks router). But default server's gateway is NOT 10.0.0.2 (and it's ok) ...
2
votes
1answer
24 views

Hopping a VPN Tunnel

My central office and remote offices are connected to each other over site to site ipsec vpn. We use Fortigate firewalls and everything is working fine. On the other hand, only central office is also ...
0
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0answers
22 views

Amazon EC2 + SSL Godaddy are not routing properly in HTTPS

I have an Amazon EC2 + SSL just installed on GoDaddy. I have successfully managed to install it and get the green https on the main domain https://www.example.com however it doesn't any ...
0
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1answer
284 views

OpenVPN tun routing (can ping tun interfaces) with mikrotik and NAT on both ends

Problem The Mikrotik site is unable to ping anything on the server site. The Server site is less important right now. OpenVPN Server config is on LINUX port 1194 proto tcp dev tun ca ca.crt cert ...
0
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2answers
75 views

VMware vSphere as gateway to internal network

I'm looking for info if it's possible for vSphere to act as gateway from my external network to an internal network. Basically: The vSphere host is on a 10.0.0.0/24 which is my "external" network. ...
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2answers
123 views

How can I use a gateway on another subnet?

I'm trying my first attempts at routing and hitting the "Network is unreachable" message. My goal is to successfully ping frome one machine (subnet 10.56.34.0) to a machine on a completely ...
2
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0answers
34 views

Openswan bad routing record after connect

I have a problem in openswan configuration. In the routing table create following lines on the client, after connect to server: Dest mask Gateway Conn Metric 0.0.0.0 ...
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0answers
43 views

why this routing configuration does not work?

I have 2 VMs in HyperV role: first is RRAS - it has 2 interfaces (both manually configured, no DHCP): 192.168.1.110 - "external" one, connected to the router 192.168.10.2 - that's internal ...
3
votes
1answer
321 views

How do I route all traffic from clients connected to the DD-WRT to its OpenVPN tunnel tun0?

I am setting a secondary (DD-WRT) router to act as a OpenVPN client so that all clients would get VPN access simply by connecting to the router. But seems clients traffic is always routed via the main ...
1
vote
1answer
156 views

Routing between 2 different subnets on 2 different interfaces in SonicOS

I'm having a bit of a problem allowing traffic between two of my subnets. Here's the structure I've built. The X0 interface has our windows server on it and it handles DHCP/DNS, etc. X1 has the WAN ...
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3answers
60 views

What happen when I assign 2 IP on one NIC? [closed]

What happen when I assign 2 IP on one NIC? e.g. I have one physical NIC (eth0) and I assign on this interface 2 IPs from different network. e.g. auto eth0 iface eth0 inet static address ...
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3answers
35 views

Adding internal A-record to a second level domain [duplicate]

Just a though- if I add my internal IP address to A-record to a second level domain.com (assuming that I can't add it internally using AD/DNS) Will it work in my internal network? Theoretically, any ...
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0answers
52 views

How to add a route for a specific subnet?

I have a Linux computer and an eth0 interface with 2 IPs: ip : 10.10.1.1 mask : 255.128.0.0 gw : 0.0.0.0 ip : 10.22.32.1 mask : 255.255.255.0 gw : 10.22.32.254 I would like to add a specific ...
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0answers
37 views

FreeBSD routing for multiple subnets

I have to access a network 10.1.0.0/16 through a gateway 10.4.0.2. I issue the command: route add -net 10.1.0.0/16 10.4.0.2 The machine's IP address where I doing this is 10.4.0.22 and it's default ...
1
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1answer
74 views

Firewall setup Huawei 4G with DMZ

Network topology: ISP1 | | Alternative ISP 4G | | | Huawei 4G with DMZ | | ...
0
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0answers
106 views

OpenVPN client routing on TomatoUSB router (gw IP instead of dev interface)

I connect to my openvpn server over Linux (Debian), iOS, Android - everything is ok. But over router (as client) with TomatoUSB firmware it's a problem with routing. I connect to my ISP over L2TP ...
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3answers
247 views

How can I achieve OpenVPN client routing without NAT on Linode

I've set up an OpenVPN network, and it is working properly in the sense that I can access the inner/LAN machines from the remote client. However, my problem is that all traffic from the remote ...
0
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0answers
84 views

Pfsense PPTP VPN Error 806

I was previously using another firewall software and simply by port forwarding port 1723 from the ADSL interface to a Windows Server attached to the LAN, we were able to VPN in. Since switching to ...
0
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1answer
61 views

Network packets flowing both ways but still can't communicate

I have a linux box with two NICS: eth0 192.168.11.14 eth1 192.168.12.14 My routing table is as follows: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref ...
1
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1answer
124 views

Destination host is unreachable in LAN

I have TP-LINK router which gets internet from fiber optic. Router is connected to Server(Microsoft Windows Server 2008R2). My server has 2 Ethernet Card, first one is getting internet(WAN) from ...
1
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3answers
138 views

Setting up gateway on different subnet than IP address

My provider has a (stupid) setup where the IP address for the gateway is on a totally different IP range than the assigned IP address. They insist on doing this for whatever reason. I'm trying to get ...
0
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0answers
35 views

With split routing configuration returning packets don't reach their sender

I am trying to configure a split routing setup, where all traffic goes out the default eth0 interface, while packets from a single client are routed via tun11 (OpenVPN interface). So far I've come up ...
6
votes
3answers
645 views

DNS servers already use anycast. Will adding more IPs enhance scalability?

RFC 1034 requires us to assign at least two IP addresses for DNS servers. However, redundancy can already be achieved by a single IP address if we use anycast addressing. BGP anycast seems to scale ...
1
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1answer
226 views

PFSense Different Gateway for different Hosts

I have a firewall software currently in use, however I am looking at replacing this with PfSense. I am looking to effectively replicate some of the settings on the current firewall we have in place. ...
0
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1answer
70 views

Dual LAN on one NIC and routing

I'm trying replace three Windows XP workstations with new ones running Windows 7 Pro, on a network which I did not setup and can't change. The old workstations had one NIC each with the following IPv4 ...
0
votes
3answers
220 views

Routing between two subnets using a Linux box with two NICs

I have a Linux box with two NICs, each connected to a different LAN: Network A: 192.168.1.0 255.255.255.0 Network B: 192.168.2.0 255.255.255.0 The routers are: 192.168.1.1 192.168.2.1 Linux NICs are ...
0
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0answers
210 views

[SOLVED ]Openvpn routing for lan to lan through tun

I am trying to setup an OpenVPN tun to connect two lan's The open vpn connection is up and working but there is a problem with my routing or nat or something. What I need is an example of what a ...
2
votes
1answer
105 views

Redirect all traffic sent to an unallocated alias IP within a VPN subnet, to a fixed IP within another VPN

I have a server hosting multiple bridged (i.e. tap) VPNs using openvpn, where each VPN has a different 10.8.X.0/24 subnet. I wish to redirect traffic sent to a specific, unallocated IP address (e.g. ...
0
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1answer
83 views

Block ip forwarding for specific remote ip address

I use ubuntu as gateway for several hosts. I need advise how to block ip forwarding for specific ip address or specific ip range? I tried to block ip via ufw deny rules, but it looks like ip ...
0
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3answers
60 views

Routing to multiple apps in a LAN with domains.

I have a handful of apps running on a couple of boxes in a LAN. All the apps use different ports. For simplicity let's say I have two apps on one server, apache serving at 8080 and tomcat at 9292. ...
1
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1answer
55 views

One router and one modem+router. Can I pass a static IP range from one to the other?

I had been running a Huawei HG612 connected to a DD-WRT router for internet services using PPPoE as authentication. Due to an office move, I need to have a DG834 modem+router which will be used for ...
0
votes
1answer
56 views

Riverbed Virtual In-Path on single subnet

I need to confirm whether or not the following Riverbed Steelhead configuration is valid and I don't currently have access to the Riverbed support portal. I have a client-side Virtual Steelhead ...
-1
votes
1answer
46 views

Set up Ubuntu server to intercept traffic directed at another IP and send it to Apache? [closed]

I'm trying to reverse-engineer the protocol used by HP ePrint. For some reason the printer responds with an error when I override the DNS to point to my own local server, so I decided to create a ...
1
vote
1answer
46 views

Segregating web traffic between internet and LAN using Netfilter

I have a corporate "web appliance" which allows handheld devices to connect to it over wifi. I'm trying to figure out how to allow the appliance access to the internet (so it can download vendor ...
1
vote
1answer
401 views

Yum fails with [Errno 4] IOError: <urlopen error (111, 'Connection refused')> but TCP traceroute works

When I try to connect to yum repos using either yum info or yum install I get the error: [Errno 4] IOError: <urlopen error (111, 'Connection refused')> I first thought our Firewall may be to ...
0
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0answers
28 views

IP Route to forward SRC to other interface/gw

and thank you in advanced for your time and cooperation. I have a simple scenary. We have a VPS (venet0) with IP x.x.x.251 and currently, the main IP is part of eth1, but I need to force the traffic ...
1
vote
1answer
72 views

Cannot ping from client to internet via IPv6 tunnel

I'm facing an odd issue with my IPv6 setup. I've configured it as follows: /interface 6to4 add comment="SixXS 6to4 tunnel" local-address=zz.yy.xx.94 (my wan ip) mtu=1280 name=6to4-sixxs ...
0
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0answers
21 views

Detecting routing problems

I have machines on AWS and I am seeing inconsistency for particular AWS EIP subnets. I noticed packets for these subnets doesn't reach the destination AWS machine and gets lost somewhere on its way ...
1
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2answers
32 views

What do other nodes do with a switch's packets the first time the packets are sent out? [closed]

I'm a total newbie here and don't know much of anything about Routing and switching, Servers and the like.. so my questions might seem very newbie but please bare with me. When it comes to Switches ...
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0answers
39 views

OpenVPN Server & Two Gateways

I have a network setup as follows: Internet <---> Firewall <---> VPN (1) VPN <---> NAT (2) Internet <---> Firewall <---> NAT (3) (I don't have the reputation to post the picture :/) ...
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1answer
86 views

Easiest routing solution for a typical firewall with WiFi routers setup - WAN-2-hops-away network

Suppose a local network connected to the internet via a single firewall router. Devices that connect directly (= using only layer 2 devices) to that router are: hosts WiFi routers providing the ...
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0answers
24 views

How is the route scope parameter used?

I am confused about the route scope parameter in the output if /sbin/ip route. default via 10.32.10.1 dev wlan0 proto static 10.32.10.0/24 dev wlan0 proto kernel scope link src 10.32.10.154 ...
1
vote
1answer
415 views

ping works but ssh fails

machine1 IP: 172.30.11.119 machine2 IP: 172.30.11.120 machine3 IP: 172.30.11.121 machine4 IP: 172.30.11.122 Note: These machines are connected to LAN. I have configured the static ...
1
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1answer
59 views

OpenVPN Connecting Tunnels

I am struggling with a specific OpenVPN scenario for a few months now. Researching on Google, reading on Serverfault, browsing Blogs and other forums, messing with my config time and time again. I am ...
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0answers
44 views

Openstack instances, routing, packets not delivered for SPECIFIC services

I am taking over management of an existing openstack system at work and I have only a little prior experience with openstack. I have about 8 instances running and all of them appear to function ...