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

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249 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
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0answers
209 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 ...
0
votes
1answer
40 views

Understanding aws ec2 default routes in [closed]

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 ...
1
vote
3answers
74 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
207 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
47 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
80 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 ...
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0answers
49 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
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0answers
126 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 ...
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0answers
111 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
47 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
31 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
173 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
44 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
88 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
302 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
147 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
22 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
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0answers
179 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
34 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
34 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
75 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
264 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
167 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
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2answers
62 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 - ...
-1
votes
1answer
124 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
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0answers
71 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
182 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
361 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
29 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
64 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
55 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 ...
2
votes
2answers
106 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 ...
3
votes
1answer
628 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 ...
2
votes
0answers
63 views

Non-local IP for next hop in routing

I'm working with an MPLS network and I am slightly confused about some route entries. Interfaces are (these are fake IPs): eth0 10.10.10.1/24 (LAN) eth1 10.9.9.1/24 (MPLS) eht2 2.2.2.2/24 ...
1
vote
2answers
127 views

Bridging Two VPNs With Routing Tables and OpenVPN

I have a set up that looks like this: + | ...
1
vote
0answers
47 views

NAT for IPSEC access?

Please help to understand if the following configuration can be created. I have IPSEC connection with my customer. It is site2site vpn between customer network and my network 10.102.103.0/28. This ...
5
votes
2answers
706 views

Will blocking port 25 on a router cripple outlook clients?

I work at a small ISP, we manage about 60 buildings with p2p radios and a main cisco router at a central location. Recently we were notified that a phishing domain is associated with one of our IPs. ...
0
votes
1answer
47 views

IP Addresses over IPSec

I've got four hosts setup as follows: I've got an IPSec tunnel via OpenSwan over the internet between Servers B and C. Servers A and D are configured to route traffic to the other via B and C ...
-1
votes
1answer
110 views

Is this a botnet? [closed]

I manage networking equipment at a small ISP for 60 highrise buildings. Each building has anywhere from 1 to 60 24 port switches, or some DSLAMs, or some coax gateways, with p2p radios on the roof, ...
0
votes
2answers
43 views

Share /etc/hosts between root machine and containers

I have a Centos machine with OpenVZ containers. For each container I have an alias in /etc/hosts. I would like to be able to share the /etc/hosts between the root and the containers. Is there a way to ...
0
votes
1answer
82 views

Static Route Dual LAN CARD Centos 6

First let me explain the scenario. I have two internet connection (Lease LINE and BroadBand). I have a CENTOS 6 Server which is used for VOIP calling (GOAUTODIAL). Now I want everyone in the LAN to ...
0
votes
1answer
74 views

iptables with sticky forwarding/routing

My iptables is sticking. I have a DNS server behind IPTables and down a NAT'ed OpenVPN pipe. Using tcpdump I see DNS packets hit the outside router but it takes 4 or 5 DNS query attempts before the ...
0
votes
0answers
37 views

How to rout only ftp packets to a particualr interface ppp0 from eth0 in Linux

I need to create an automated script for creating dial up connection and test it using ftp file transfer to a remote server. I have successfully written the script which creates a new dial up ...
1
vote
0answers
103 views

Load Balancing over multiple ISP connections

I have been trying to implement load balance and fail over on a linux machine having multiple interfaces. Currently I am using two ISP lines and I wish to split the network traffic such that both of ...
1
vote
1answer
52 views

block forward traffic targetting another network

I'm learning about a bit more about firewalld and I've been able to create an unsafe network to where I can connect from my internal network, but now, I'm stuck trying to prevent the unsafe network ...
0
votes
1answer
566 views

pfSense Routing a packet out the same interface it arrived on

I have pfSense with one LAN interface which is connected to a switch. All ports on this switch are part of the LAN (VLAN 10). I have access points which are also part of the LAN, they have a static ...
1
vote
2answers
157 views

Dual NICs, dual ISPs, dual FTP servers - Can't keep both connections running. What am I doing wrong?

I have a Windows Server 2003 machine with dual NICs. Until now we've only had a single ISP provisioned by our landlord in the building and have only been using one NIC. Filezilla is the FTP server. ...
1
vote
0answers
46 views

Problem with v6 subnet routing

I have a freebsd machine connecting to my sixxs ayiya-tunnel. As I decided to implement IPv6 in our complete network and not only one interface I got myself a routed /48 from sixxs. I'll use ...
2
votes
1answer
102 views

How can I host multiple websites from the same Windows 2008R2 server?

server running Windows Server 2008 R2 with two NICs and running IIS two Internet connections we can only get one IP address on each Internet connection. two routers we want to serve two websites, ...