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
37 views

IPTABLES - IP Restricted Port Forwarding for RDP

I can't find an answered question for this problem. I have about 7 ranges of IP address i would like to allow to RDP(port 3389) to a a server within my network. My main router uses iptables and i ...
0
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2answers
26 views

cisco 3850 in separate wiring closets - VSS?

I have two new 3850 24 port gig switches. I am putting one in the front wiring closet of our warehouse, the other in the rear. IS there a way to have these be a layer 2 / layer 3 Virtual Switch using ...
9
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2answers
50k views

Unable to set up a static host route - “SIOCADDRT: No such process”

At my office, there is a Windows Server 2008 router, 192.168.16.1, which is our default gateway. This sends data through our main internet connection. This works perfectly. 192.168.16.1 also has ...
0
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1answer
2k views

No internet access when toggling `redirect-gateway` in OpenVPN client config

I have a router with IP 192.168.1.1 subnetting 192.168.1.0/24. On that subnet, a Synology NAS has an IP of 192.168.1.181 and is running a VPN server using subnet 192.168.2.0/24. When I connect a ...
0
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0answers
23 views

Can IPv6 connectivity between countries be unreliable?

I’m setting up IPv6 on my existing VPS and backup server. The VPS is located in Fremont on Linode, and the backup server is located in New Zealand. I have several VPSs within the Fremont data center. ...
1
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1answer
3k views

How to get OpenVPN Client (Mikrotik RouterOS) <-> OpenVPN server (Debian/Linux) setup to work

I have some issues with making MT to work with OpenVPN server (Debian). I can make successfull connection to OVPN server, but traffic is not routed through OVPN server. Here is my configuration. ...
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0answers
11 views

2 networks and switching gateways in Asus routers based on source ip address [on hold]

I am sure this would be very common problem but I am unable to search correct forum where this has been solved. I have got limited knowledge of networking and need some one to advise me on my problem. ...
0
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0answers
11 views

Route to VM sub network

I have a problem routing the fraffic to my Hyper-v Vms. I have an hyper-V server in an private network environnement (deployed in a Vmware lab infrastructure) together with other Windows machines. I ...
0
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0answers
13 views

VPN tunnel via nas (synology) - how to route

I have two NAS (Synology) at two different locations, there is a PPTP tunnel between them. I also want to use the tunnel now for my other clients to connect to a server. Bridging the all of the ...
-4
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1answer
28 views

Who sends broadcast message? [closed]

Are hosts like PCs only one that send broadcast messages? I know that switches just send them further, and routers reject them.
0
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1answer
23 views

Can only ping one direction across an Openvpn tunnel

Setup: Main office - Ubuntu openvpn server behind a sonicwall Remote Office - ASUS router connected to the openvpn via it's builtin VPN client. Main Office 10.0.5.0/24, Openvpn 10.8.0.1 Remote ...
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0answers
14 views

iptables / routing - need to direct packets through a particular interface with frequent disconnects and default gateway changes

First and foremost, I did read this question iptables - Target to route packet to specific interface? and did my best to google, but so far can't figure out the solution. Problem: A linux machine (...
0
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0answers
28 views

openvpn: How to not use VPN for domains with multiple IP addresses

I want to route around openvpn for a specific domain. I have tried: allow-pull-fqdn route specificdomain.com 255.255.255.255 net_gateway But this simply does a DNS lookup of the domain and adds ...
0
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0answers
23 views

How to assign ipv6 to my kvm guests route mode

Do you know how assign ipv6 global addresses to my KVM Guests?My ISP provider advertise an ipv6 prefix /64.I use libvirtd an here is configuration. When i restart virbr0 cant communicate with local ...
1
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1answer
26 views

Routing between openvpn interfaces/instances

I have 2 openvpn instances on one server (TCP and udp). One has clients in subnet 10.8.0.0/24 and another 10.8.1.0/24. Server IPs are 10.8.0.1 and 10.8.1.1: Is it possible to ping 10.8.0.2 client ...
2
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1answer
4k views

strongswan VPN on OpenWrt

Hi I'm running Barrier Breaker version of OpenWRT and I have setup a VPN according to: http://wiki.openwrt.org/inbox/strongswan.howto I can connect to the VPN with my iPhone or Mac (to 10.10.1.0/24 ...
1
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1answer
42 views

Linux routing not working

I got asus rt-n18u router and I want to setup vpn access from local network So I've isntalled optware and vpnc on the router and successfully created vpn connection on tun0 interface (ifconfig below)....
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0answers
34 views

Cannot ping wan gateway from cisco router

We recently had a new Ethernet connection installed and were given the WAN IP address, subnet mask and gateway needed for the connection e.g. IP 1.2.3.50 MASK /30 GW 1.2.3.49 When I put ...
0
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2answers
1k views

Application request routing and load balancing

I use Application request routing in my farm environnement. I got 2 ARR server and 2 IIS server in my farm. I configure my routing to load balance request even to my iis server, but when i look ...
0
votes
1answer
2k views

Allow access to printer between interfaces on Cisco ASA5510

I have a Cisco ASA5510 where we have to separate networks on two separate interfaces. The networks should have nothing to do with each other except that network B needs to access a printer on network ...
2
votes
1answer
3k views

How to force certain traffic through GRE tunnel?

Here's what I do. Server (public internet is 222.x.x.x): echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf sysctl -p iptunnel add gre1 mode gre local 222.x.x.x remote 115.x.x.x ttl 255 ...
6
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4answers
4k views

Openvpn, forward packets very slowly

I rebooted my server, and an odd issue just came out. I am running on ArchLinux, the clients are Ubuntu, Android and Mac. The problem is that accessing the internet via the clients is slow, about 2ko/...
0
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0answers
23 views

VPN connection problems regarding plex media server and voice over IP [migrated]

I have a home server - running Debian Jessie and plex media server. My router (fritzbox) allows all smartphones in my LAN to receive incoming landline calls (due to a certain app). This part works ...
0
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1answer
3k views

Configuring Shorewall for routed OpenVPN

I have an Ubuntu server 14.04 machine that serves as a NAT router. The routing is achieved using Shorewall, mostly in line with this tutorial. The LAN has the subnet 10.0.0.0/24 On this machine I ...
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0answers
24 views

NO routing in VPN to client side

I try to configure the following network structure in one dev VMWare environment. W.XP------| |-----W10 192.168.5.100 | | 192.168.4.100 ...
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0answers
34 views

How to do Multi WAN routing based on latency/distance to the target IP

I have two different internet connections available (DSL & LTE), and I'm building a router to "combine" those. What I would like to achieve: The routing should happen based on the latency or ...
55
votes
8answers
50k views

What is “anycast” and how is it helpful?

I'd never heard of anycast until a few seconds ago when I read "What are some cool or useful server/networking tricks?". The wikipedia "Anycast" article on it is quite formal and doesn't really evoke ...
1
vote
1answer
38 views

Procurve Inter VLAN Routing

I have a VLAN routing issue on our network. We have two ProCurve 5406zl's being used as our core switches, each vlan on these switches has an IP address and VRRP is configured on each vlan for ...
0
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0answers
28 views

Packets dropped connecting to Azure VM through Point-to-Site RM Gateway

I've setup a point-to-site Virtual Network Gateway using the Resource Manager model. I followed both of these instructions: https://azure.microsoft.com/en-us/documentation/articles/vpn-gateway-howto-...
1
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2answers
2k views

systemd-networkd and direct routes

I have problem adding direct routes through systemd-networkd. What I'm trying to achieve is similar to: ip a a 192.168.0.2/32 dev enp0s3 ip r a 192.168.0.1/32 dev enp0s3 ip r a default via 192.168.0....
1
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1answer
5k views

cisco ip nat / port forwarding

I have been trying to get port forwarding working with a newly installed cisco router. I cannot seem to find where my fault is and have been looking for quite a while. The relevant section of my ...
0
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3answers
51 views

Why another PC on lan can ping me even when I use /30 subnet?

Here is the set up: PC A : IP address : 192.168.1.2 Netmask : 255.255.255.252 Gateway: 192.168.1.1 PC B : IP address : 192.168.1.220 Netmask : 255.255.255.0 Gateway: 192.168.1.1 PC B is able to ...
0
votes
2answers
8k 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 ...
1
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1answer
75 views

OpenVPN | How to make the server communicate to another server in LAN via OpenVPN gateway?

I've been trying my EC2 instance (OMD) to communicate to my LAN server (Raspberry Pi) via another EC2 instance (OpenVPN) but I can't make it work. The OMD server can ping the RPi but it can't connect ...
3
votes
5answers
621 views

Router limits network performance but its CPU load isn't 100%

I'm using a PC Engines APU device running FreeBSD as a NAT router. The setup is very usual: one WAN connection and one LAN connection. Theoretically, WAN connection is 800/40 Mbit/s and the LAN one ...
0
votes
0answers
15 views

OpenWrt - connecting WLAN and LAN at network level 3

I have a Linksys WRT54GL router with OpenWrt installed. I would like to create two independent networks, each with its own DHCP server: one WLAN and one regular LAN using the switch ports. My /etc/...
1
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0answers
26 views

Routed AP openwrt

I am trying to use an Alice Gate2 as routed client to serve Internet connection to a smartTV via Ethernet. The network topology should be as follows: Internet -->(wired)-->[R1]---> (wireless)----> [...
0
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0answers
12 views

Route between E1 devices

I have this topology and I need to configure routing between my CISCO 2911 routers to connect my devices, that are using E1 without any timeslots separation.
0
votes
1answer
41 views

How to create a HTTPS Proxy?

I have to setup access to a remote API service in which requests are IP-Whitelisted. The problem I have is that my web-nodes are in the cloud and their IP addresses often change. Therefore I want to ...
2
votes
2answers
1k views

How to find which routing protocol a router is using. And if found how to test it

I was recently asked a networking question in an interview which I did answer but the interviewer was not pleased. The question was : "Given an actively running router, how would you know what ...
1
vote
1answer
2k views

Route IP from one vlan to another vlan in the same vrf of the same router

Can you route a IP (/32) from one vlan to another vlan in the same vrf of the same router ? Exemple: example_router#show version Cisco IOS Software, c7600s72033_rp Software (c7600s72033_rp-...
1
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0answers
35 views

Cisco ASA 5505 Issue - “Flags SYN on interface..”

I've been trying to remotely configure a Cisco ASA 5505 in front of a dedicated server hosted with OVH. Unfortunately my qualifications and even experience very rarely touched on Firewalls. However I ...
0
votes
2answers
4k views

OpenVPN server on Windows 7 - How to route specific IP addresses to clients?

Okay, so I do not have a strong background per se in computing, nor networking, and I'm really just starting to learn this stuff now, for a relatively small family business of ours. It is rather ...
0
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2answers
74 views

Configuration to connect an Acess Point into a pfSense Network

At the moment I have an wired network provided by my pfSense router. I bought an Access point (tl-wa801nd access point), in order to have a wireless network in my wired network. In my computer host, I ...
4
votes
3answers
7k views

How to enable traceroute in linux machine

I'm working on something in the transport layer and after i ran our custom policies for securing the policies i'm not able to do traceroute from the linux machine. root@keystone-evm:~# iptables -L ...
4
votes
3answers
2k 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 ...
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votes
2answers
47 views

Internet router is in a different subnet [closed]

The network 192.168.195.0/24 isn't mine and it's full of pcs, but it has the router 192.168.195.1 which connects to internet. Now, I have to create the network 192.168.59.0/24 and i must connect it to ...
5
votes
4answers
19k views

Difference between routing and forwarding table

What is the difference between forwarding and routing tables?
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0answers
14 views

Sonicwall TZ205 with EnGenius ESB300 as Guest Wireless AP, Need to keep networks apart

I have a SonicWall TZ205 with an EnGenius ESB300 as a Guest Wireless AP. I would like to keep these networks segregated. Interface X0 is the LAN, X1 is WAN and the EnGenius is connected to X4 in AP ...
0
votes
1answer
2k views

Route all traffic through StrongSwan VPN

I'm new to this - please excuse my ignorance. I have looked through many other similar questions to no avail. Trying to set up a StrongSwan VPN such that client C can connect to host H, be assigned ...