Tagged Questions

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

learn more… | top users | synonyms

0
votes
0answers
9 views

RRAS 2012R2 NAT with isolated subnets

I'm trying to find a solution for this problem for many weeks I hope someone can help me. I have a rather simple network: Windows Server 2012R2 with multiple NICs A few subnets (VLANs) with DHCP's ...
-3
votes
0answers
24 views

How to routing on virtual routers on windows? [on hold]

Hi I have two virtuals routers: one with connectify (192.168.246.1), other with netsh hostednetwork(192.168.173.1). I have two other computers connected on routers (192.168.246.50, 192.168.173.172). ...
0
votes
0answers
11 views

MULTI: bad source address from client - any one-off solutions?

Setup: I have the an openvpn client/server setup (config files at bottom), and I get the infamous MULTI: bad source address from client [192.168.x.x], packet dropped message at server. The server has ...
2
votes
1answer
21 views

How access remote network with OpenVPN?

I am currently trying to configure OpenVPN to access our company network remotely. I was able to establish a connection and ping the server at the configured address (10.8.0.1), but I was not able to ...
0
votes
2answers
30 views

How to redirect a packet with iptables that match a certain pattern? (eg a QUERY command with UDP)

I have a certain packet that I want at all times to be redirected to a specific ip on my virtual network interface. As for now my iptables is setup like this: (the commands, I use \ as for now to ...
0
votes
0answers
3 views

shrew soft vpn client routing to another network

I have configured Shrew soft VPN Client on Kubuntu 12.04.3 and is connecting to CISCO RV042. The CISCO router is connected to LAN 10.66.11.0/255.255.255.0 and also connects to another CISCO router at ...
0
votes
0answers
13 views

Connections from virtual host to internet OK, but to rest of LAN, broken [migrated]

In a notebook running Ubuntu 14.04 I have installed VirtualBox and created a virtual server with Windows 7. The PC is connected to a 192.168.x.y LAN. The virtual server is in a host-only network with ...
1
vote
2answers
33 views

Make CentOS 7.x a port forwarding NAT device

I would like to make CentOS a port forwarding NAT machine using iptables. This is the first time I've tried this and I think i might need a little help. This is the configuration i'm trying to ...
0
votes
0answers
22 views

pfSense OpenVPN Routing to Sever LAN

I'm trying to get my OpenVPN server to route traffic from clients to the server's LAN. My setup is as follows: pfSense box at 10.1.1.1 Other servers on the LAN at 10.1.10.0/24 (with DNS server at ...
0
votes
0answers
24 views

pfsense access openvpn client´s lan

I want to cover the following case: pfsense server´s LAN: 10.1.0.0/24 openvpn client network: 10.2.0.0/24 Local network of one openvpn client: 192.168.2.0/24 Working: Access the network ...
0
votes
0answers
12 views

Cisco RV325 looses connection when in “router Mode”

I have a new Cisco router (Model RV325) I want to set it to "router mode", but each time that I do that computers connected through it loose internet connection. They don't loose connection to the ...
-1
votes
0answers
17 views

Strange phrase in router settings

My router bandwidth control uses the following phrase and I don't know what to make of it. Bandwidth Range:Allows the smallest and biggest data traffic of the hosts in specified IP range when ...
-1
votes
0answers
31 views

Firewall rules for forwarding http traffic NOT on port 80 [on hold]

We have an older generation Netgear Firewall/Router. We cannot do NAT on it but we do DHCP on it. Will this scenario work..??: We have web traffic coming into the network and hitting the Netgear ...
0
votes
1answer
18 views

Understanding aws ec2 default routes in [on hold]

After launching a new EC2 instance on AWS, I get the following routes. The LAN subnet is 10.0.0.0/24. $ sudo route -n Kernel IP routing table Destination Gateway Genmask Flags ...
0
votes
0answers
8 views

How do I route data from a VPN-Connection to a server connected with ICS? (Windows) [migrated]

I am running a Windows 8.1 machine as a centerpoint in my network, it has three network interfaces, Wireless Wifi, Ethernet, and a VPN tunnel. The Ethernet interface is used to share the computer's ...
1
vote
3answers
53 views

ipv6 to ipv4 translation in switch

I have looked for a solution to this problem but everything that I have found never seems quite match this scenario. I have a small colocation space and I only get 5 IPv4 addresses. I also get an ...
-2
votes
1answer
52 views

Do routers verify UDP and TCP checksums? [closed]

For some reason, I am having a super difficult time trying to Google the answer to this question, which seems very simple at the outset: Do routers in the networking stack verify UDP and TCP ...
2
votes
0answers
14 views

“ip route get” on Ubuntu returning default instead of static route

We've been trying to solve this seemingly simple routing problem for days. We are trying to route traffic through an OpenVPN tunnel. Specifically, traffic to 10.0.1.136 should be routed through our ...
0
votes
2answers
48 views

Routing between 2 networks and 2 routers

I have a WatchGuard XTM33 and a Cisco ASA 5505, current network is running off of the Cisco and I want to eventually migrate over to the WatchGuard using new IP scheme. ASA 192.168.111.1/24 WG ...
0
votes
0answers
22 views

How can I troubleshoot my router NOT routing between LAN PCs?

I have a FiOS router, which has 3 PCs connected to it. One of the PCs used to run several servers/services; that I previously (using a different router from different ISP) successfully connected to ...
0
votes
0answers
32 views

Cisco Router Failover Configuration

I am a unix admin that has been stuck in the position of configuring a Cisco 1921 for one of our offices. In that particular site we have two connections, an AT&T eVPN and a Sprint MPLS. The MPLS ...
0
votes
0answers
46 views

Keepalived router on virtual ip is not reachable

I've setup keepalived to manage a virtual ip between two hosts. My setup is the following Server #1: Hostname folmer, ip 192.168.0.1/22 dev p2p1 Server #2: Hostname flemming, ip 192.168.0.2/22 dev ...
0
votes
1answer
23 views

ip route command with source option

I have multiple interfaces on my system catering to different subnets. I also have a pseudo interface which is a p-to-p driver for tunneling packets. I was trying to add routes using ip route command ...
1
vote
1answer
22 views

Can't give access to all servers belonging to a security group in AWS

My current structure 1 instance in a VPC set up with an Auto Scaling Group. 1 instance in same VPC with HaProxy load balancer routing MySQL traffic to RDS instances (in same VPC) I have tested and ...
1
vote
1answer
69 views

CentOS with multiple NIC and static route

I am trying to setup a CentOS with 3 NIC and static routes. eth0 has IP address 192.168.10.2 and GW:192.168.10.1, eth1 has IP address 192.168.20.2 and GW:192.168.20.1, eth2 has IP address ...
0
votes
1answer
33 views

How to achieve stateful fail over when using multiple uplinks?

I have multiple ISP lines over which I am load balancing the network traffic on my linux machine having multiple interfaces ( eth0, eth1 ,eth2, eth3) . This I am doing by creating the routing tables ...
0
votes
1answer
16 views

Iptables SMTP re-routing on a proxy

I'm lost... Any help would be appreciated :) I have a mailserver. Unfortunately, the provider deny the smtp 25. I don't want to use ESMTP or a vpn. So here is the project : I have a dedicated server ...
0
votes
1answer
45 views

openvpn windows routes ip forwarding enabled but not working

I have setup an openvpn network, I have in my client windows two interfaces, one public with IP 1.2.3.4 and the openvpn interface, with ip 192.168.244.10 I am able to ping from windows to the ...
0
votes
0answers
26 views

openvpn route traffic over vpn but through specific client gateway

I have setup openvpn with a server A and two clients with their specific client-specific file overrides. It works normally, even when I configure it to route all traffic through the VPN. Now in ...
0
votes
0answers
15 views

Fail over in Lokiwall Firewall

I have configured lokiwall firewall on my linux machine having multiple interfaces. Dual Routing works fine. However, I wanted to know how does the fail over happen in case a link goes down. Do the ...
0
votes
0answers
43 views

Force all traffic from one user through an OpenVPN tunnel on Debian 6 with iptables and ip route

I’m trying to force all traffic of one user through an OpenVPN tunnel. It is giving me grey hairs. The current situation is that I can either allow all traffic for this particular user, and it will go ...
0
votes
1answer
18 views

Server Loses Public Access When VPN Started

I have a setup a server that uses an OpenVPN client, in order to connect it to my private network at home. Whenever I start the VPN client-connection on the server, I can only connect to it's public ...
-1
votes
1answer
17 views

Access 2 Hosts from Internet on same subnet [closed]

Hi I have 2 raspberry PI in my network. And I want both of them accessibles from the internet. Right now I have a DMZ from you can access one with NO-IP setup: www.blabla.no-ip.org ----->DMZ ...
-5
votes
1answer
43 views

How do I connect a router on one LAN port to another router on another LAN port on the same switch? [closed]

I have the following setup: For non-technical reasons, I am unable to change the physical setup of the devices. What I'd like to do is have router 2 (a wireless router) act as a wireless AP that ...
0
votes
0answers
49 views

Redirect to another gateway in same subnet / route to another router in same subnet

There's this network: The computer 192.168.10.4 wants to access a VPS server which has an OpenVPN server running on it, configured to use the subnet 192.168.20.0/24. The computer's subnet also ...
0
votes
1answer
18 views

OpenVPN: forward client's LAN to the VPN

My current setup involves an openVPN server with a single network interface and a client on another network that acts as router for a specific LAN. My goal is to enable forwarding of LAN traffic ...
1
vote
2answers
37 views

Why isn't my static route applying?

I'm migrating one of my services to a new public facing IP and I'm at a loss as to why the recently added route isn't functioning. This is a Server 2008 R2 box. I've covered several other questions - ...
-3
votes
0answers
19 views

Network access, routing issue [migrated]

My ISP is providing me 3 IP addresses over a single network cable each assigned to a MAC. The main network cable is connected to a switch. 2PCs and 1 Router are connected to that switch. PC1 is ...
0
votes
0answers
29 views

Neighbor solicitation or advertisement not forwarded between interfaces [migrated]

I have Ubuntu 12.04 installed in a VirtualBox VM on a Windows 8 host computer. Windows 8 had a hosted (wireless) network to which I can connect with my Android phone. The eth0 interface of my VM is ...
-1
votes
1answer
58 views

OpenVPN not routing to other public IPs on the OpenVPN server

This is similar to the issue addressed at OpenVPN and routing . My server runs both a racoon-based L2TP/PPTP VPN service and an OpenVPN service. The racoon service assigns addresses in the ...
0
votes
0answers
29 views

Linux: routing within 2 internal networks

We have a network that contains one gateway server with 3 network interfaces: eth0: (global IP) eth1: (internal IP 192.168.0.0/24) ib0: (internal IP 10.2.2.0/24) The other servers in the network ...
1
vote
0answers
50 views

Forward single port between subnets on dd-wrt router

I have a DD-WRT router with two subnets, 192.168.0.0/24 and 192.168.8.0/24. The latter is used for a 'guest' WiFi network. Traffic between subnets is filtered using iptables. What I would like to ...
0
votes
0answers
96 views

Routing Traffic to Subnet through OpenVPN Client Tunnel

I have a Shorewall powered masquerading router: eth0: DHCP client, external interface (net zone) eth1: static, internal interface (loc zone) Now I want to add an OpenVPN client that creates a TUN ...
0
votes
1answer
15 views

Weird routing when accesing local service on OpenVPN server

I'm currently having a very restrictive internet access, basicly, anything that doesn't use port 22, 443 or 80 are routed through a different network who has a 1 seconde ping and 60% packet loss. ...
1
vote
1answer
28 views

Server 2008 Static Routing (Terminal Services) Multiple Gateways/Routers

We have two internet connections, both on their own routers. Router 1: 192.168.0.1 / 255.255.255.0 Router 2: 192.168.0.2 / 255.255.255.0 Our terminal server has a single NIC, 192.168.0.3 / ...
-1
votes
1answer
31 views

Rewrite source with iptables [closed]

I'm going to route a static IP from a VPS to my OpenWRT router. They are connected with OpenVPN - the server is the 10.8.0.1 and the router the 10.8.0.6. My public IP is 1.1.1.1 for example, and all ...
-1
votes
0answers
12 views

Routing based on source ip + anycast bgp

Client A pings ip X > always server 1 Client B pings ip X > always server 2 Random client pings ip X > always nearest server (1 or 2) Anycast DNS Using BGP Tutorial explains the last ...
2
votes
2answers
52 views

Running own DNS in intranet, how to reach outside DNS from clients

The Scenario: I am creating a Network for 8 Windows 7 Workstations running in a Student Laboratory. They are supposed to browse the internet, but not to be reached from outside their intranet. To ...
2
votes
1answer
87 views

blocked.domain.gstatic.com - Where could this blocking be?

As of this morning we were having serious issues (partially loaded site with no functionality) accessing Google Drive which we use heavily. Other websites seemed to work fine. This is happening on ALL ...
0
votes
0answers
3 views

Alternate route via wifi in mac os [migrated]

Back with routing problems and hours searching through internet did not resolve my issue. Hope I will get some clues here. Here goes the problem: My office has restricted access to internet sites. ...