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

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0
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1answer
674 views

UDP packets to IP addresses other than specific ones not arriving and not shown in Wireshark

I'm writing a service using UDP, but I can't manage to reply to the client. When sending to the client via the DHCP-assigned IP (192.168.1.143) Wireshark shows no sent packets. The server receives ...
-1
votes
1answer
164 views

how do i automatically add a new route to the routing table?

I'm looking at linking two networks with a long range Ethernet bridge. I know I can connect my two networks with a router, but my problem is how will my computers know where to send packets if I don't ...
2
votes
1answer
2k 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 ...
13
votes
3answers
13k views

Is it possible to include switches in traceroute hops?

I was wondering if it's at all possible to make a Dell Powerconnect 2848 switch show when running internal traceroutes. This would help with diagnosing issues and make it far easier to see where ...
7
votes
1answer
297 views

OpenVPN Client timing out

I recently installed OpenVPN on my Ubuntu VPS. Whenenver I try to connect to it, I can establish a connection just fine. However, everything I try to connect to times out. If I try to ping ...
0
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1answer
92 views

Cisco command : route policy pass-all

I'm having some problem understanding cisco routing policy and am unable to find an answer using google. Basically am I correct to assume that the interface with these route policies applied ...
-1
votes
1answer
175 views

Correct antenna types for 802.11g wifi point to point network link [closed]

I maintain a work network that at one point bridges a gap between two buildings wirelessly, while also descending from the 4th floor to ground level. The AP is at the top and connects to the internet ...
2
votes
2answers
147 views

Dial-in VPN Routing issue when on 192.168.x.x network range

I'm not an expert on networks but have a small office on the 192.168.x.x. range which is managed by a vigor (2800) router. I have enabled the VPN dial-in option on the router so I can get to the ...
5
votes
2answers
13k views

Mikrotik and NAT/Routing issue

I have basic NAT/Routing problem with Mikrotik RB750 that I've been unable to solve over the past days. From our ISP we have 26 IP addresses: 10.10.10.192/27, with 10.10.10.193 being the gateway and ...
1
vote
1answer
780 views

Fritz!Box IPv6-Address different than IPv6-Prefix

In my Fritzbox it states the following: IPv6-Adresse: 2a02:8070:600::14b6:c7******, Gültigkeit: 100465/86065s IPv6-Präfix: 2a02:8070:62c:3200::/56, Gültigkeit: 100464/86064s I am not able to ...
2
votes
3answers
607 views

Linux: Three default gateways?

My server has three default gateways, how can that be? Shouldn't there be one default gw? I have three NICs, each attached to a separate subnet: server1:~# route Kernel IP routing table Destination ...
0
votes
3answers
572 views

Single-port 2600 router with 2900XL switch

I have a setup, where the single port 2600 router is in port 0/2 in the switch, outside network is on port 0/1, and the rest (0/3-0/24) should be clients for the second network that would be managed ...
1
vote
2answers
293 views

Excluding four IP's from a /32 static route

I have a Cisco ASA routing a /32 of public addresses (non RFC-1812) through a private link. When the device sees the destination address it selects the private route instead of going out over the ...
1
vote
2answers
832 views

If I have computers linked through a switch, will they communicate directly? [closed]

If I have a network like: Group1 -> Switch -> Switch -> Server (configured as gateway by DHCP) Group2 -> Switch -----^ (Hope that makes sense...) When computers in each group send ...
0
votes
2answers
330 views

IPv6 static routes

I am looking to configure a few hosts with IPv6 on my network. The router (running CentOS 5) is configured with an Hurricane Electric (HE) tunnel which works fine on that host. However, I would like ...
1
vote
1answer
2k views

Routing all data through an VPN tunnel with ppp

I'm trying to create a VPN tunnel that forwards all data from the local machine to the VPN server. I'm using ppp-2.4.5 for this with the following configuration: pty "pptp <VPNServer> ...
0
votes
1answer
470 views

Change default router without network restart

I have an RHEL3 server on which I would like to change my default route. Every site I've seen that shows how to do this ends with doing "service network restart" or "/etc/init.d/network restart". ...
0
votes
1answer
2k views

Routing multiple WAN subnet on a single interface SonicWall NSA 2400

In my current infrastructure I have the following setup : ISP LINK 1 (64.30.24.128/26) ----|X3--sonicwall--X0|----LAN (64.30.24.128/26) X0(LAN) is configured as Mode/IP Assignment: Transparent ...
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votes
2answers
93 views

How to create a Testing and QA network

I am looking to create two new networks inside my private network. The two networks are QA and Dev. I would like to have the QA and Dev network separated (I am thinking different subdomains) that are ...
0
votes
2answers
8k views

Routing between two networks on linux?

I got stuck with one problem I cant find solution. I have linux pc with two NIC. first nic (eth1) is connected to public ip (probably switch or whatever, doesnt really mater) so eth1 is connected to ...
4
votes
1answer
433 views

ping request not forwarded in one direction

Edit: I solved my issue just as I was finishing this insanely long post. I had simply not enable ping reply in my windows firewall which is why I could not ping a computer on network 0 from network 1 ...
7
votes
3answers
2k views

Limiting interface bandwidth with tc under Linux

I have a linux router which has a 10GBe interface on the outside and bonded Gigabit ethernet interfaces on the inside. We have currently budget for 2GBit/s. If we exceed that rate by more than 5% ...
2
votes
1answer
60 views

Website search function working from one location but not another

The company I work for does a lot of business with a government program, U.S. General Services Administration. Their website is located here. For the last two weeks, we have been unable to perform ...
3
votes
2answers
14k views

Sonicwall routing between multiple subnets on multiple interfaces

As shown by the network diagram below, I have two completely separate networks. One is being managed by a Sonicwall NSA 220, the other by some other router (the brand is not important). My goal is to ...
2
votes
2answers
661 views

ip route show src field

I read the man page of ip and still do not understand what src is and I could not find much documentation. Please, if you can explain it thoroughly or point to some link it a good answer.
1
vote
0answers
564 views

Route specific network traffic through vpn in virtualbox guest

I am running OSX with a windows server 2008 guest in Virtualbox. My goal is to route some of the network traffic in the host through the server guest. This is because the win2008 server has a VPN ...
1
vote
1answer
3k views

Internet routing doesn't work in LAN on a two NIC's (WAN + LAN) Windows Server 2008 R2

We have the following network setup: A) Modem (192.168.0.1) with DHCP disabled B) Windows Server 2008 R2 with dual NIC: B1) WAN interface (192.168.0.2) B2) LAN interface (192.168.1.2) C) Switch ...
1
vote
1answer
835 views

Can I route one IP address on a subnet via a different NIC from all the others

I have a windows 7 client with a wired ethernet NIC and a wireless 802.11g NIC. The wired ethernet NIC is connected to a network switch and has subnet 192.168.0.*. The wireless NIC is connected to a ...
-1
votes
1answer
294 views

What is Address family command node in cisco iox [closed]

What is Address family command node in cisco iox and how can I use it?
0
votes
1answer
76 views

Providing reverse records for records that map to ISP IP

I have been instructed to use my ISP ip (as a temporary fix for mapping my name server and domain records as my router dishes out rfc 1918 adresses to devices in my network where I am running an ...
0
votes
1answer
354 views

Enterasys What Does the Keyword “recursive” Mean in “ip route” Statement

I'm looking at a configuration for an Enterasys layer 3 switch. I'm trying to diagnose why traffic is going a particular way. One of the route commands has the keyword "recursive" in it. The command ...
1
vote
1answer
85 views

Would appreciate a routing configuration advice

I have a problem with a host visibility which I think is caused by incomplete network configuration. There is an ADSL-router which has a DMZ subnet 192.168.0/24. In this network there is a wireless ...
0
votes
2answers
634 views

Dell powerconnect 6224 vlan routing

I have a small network and I need help with routing .. . My VLANs VLAN 1010 SALES VLAN 1020 HR I have assigned the above vlans to a tagged port and I have added a default route to send the ...
1
vote
1answer
321 views

Route Traffic Through Linux Server With Two Devices

Here is my current setup (all servers are Ubuntu Server Edition 12.04): Server 0 has two devices, eth0 and eth1. eth0 is connected to the wall (the internet), and eth1 is connected to a switch. ...
0
votes
1answer
167 views

IPv6 routing to another interface

I'm trying to get an IPv6 enabled router to forward data from one interface to the other and I'm having issues. When following this example ...
0
votes
2answers
142 views

Routing between same network

Hi In this scenario there is point -to point serial connection between R6 and R7 , there is router R10 whose interface F0/0 is having ip address of 10.1.1.2/24 and there is a host machine (R9) ...
-1
votes
1answer
73 views

How to setup route to browse internal website through openvpn?

I'm totally newbie in network, and I encountered a problem that I have no clue how to solve. We have an internal appliance plugged in the internal network, and there's a cloud instance that uses ...
1
vote
1answer
671 views

Asymmetric routing with two ForeFront TMG 2010 firewalls

I have a bizzarre networking problem. There is a network, a single IP subnet: 192.168.60.0/24. The network has two Internet-connected firewalls (running ForeFront TMG 2010), 192.168.60.253 ...
4
votes
2answers
184 views

Is this IPv4 and subnet combination public or private? [duplicate]

Possible Duplicate: How does IPv4 Subnetting Work? I thought I understood this but I am momentarily confused. Here is an example: Are all IPv4 addresses from 192.168.0.0 to 192.168.255.255 ...
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votes
1answer
38 views

Web hosting - horizontal scaling

I have a single machine that I use to host multiple websites with virtual hosts (lighttpd webserver), I can't say I am in a professional environment as I am hosting mainly for small websites and ...
0
votes
2answers
479 views

OpenStack using one public IP address from multiple servers

I am testing out openstack and have it all configured but with my current setup I have only one public IP address which is assigned to the servers public interface. Is it possible to assign multiple ...
3
votes
1answer
7k views

forcing network traffic to route via a specific, non-default interface

I've got a bunch of Linux servers with multiple(3) NICs and associated network interfaces. I'm tripping over a bizarre routing problem, where traffic that should use the default route is not, and ...
0
votes
1answer
176 views

Connectiong adsl router/modem and router with bridgemode

I have one adsl modem/router which is not "top" of the line and it lack allot of options which I need. I was able to acquire one Cisco router recently which has all options that I need ( like DMZ, ...
0
votes
1answer
3k views

VPN setup on mikrotik router

I have successfully setup a pptp vpn server on a Mikrotik routerboard. I am able to connect to the VPN and can successfully access a certain IP range. This is my setup: ADSL modem/router - mikrotik ...
0
votes
1answer
232 views

IP Forwarding and Routing in Windows 2008

I have Hyper-V running on a windows 2008. I got a new ip stack from the data center to be set on my virtual machines. But I have difficulties to set these IPs on my VMs because they are on different ...
1
vote
1answer
487 views

Policy Based Routing does not work on Force10 S50N

As soon as I turn on PBRs on our Force10 I'll get the following message: %ACL_AGENT-2-USRFLOW_CAM_FULL: UserFlow Cam is Full Any idea what that means? Basically non of the PBRs are working so I ...
2
votes
2answers
295 views

How to use 2 subnets on one network

I have some servers at a colocation. They've given us an IP range, subnet and gateway. Now we have run out of IP addresses and they've given us a new range of IPs but with a different subnet and ...
0
votes
3answers
2k views

Using a nat rule to translate 80/443 traffic to web server, but internal users cannot access it using external ip/domain name

I am using Cisco ASDM for ASA I have my internal network called soa. My outside interface is called outside. Let's say my outside IP given to me by my ISP isp is y.y.y.y I have a web server inside ...
0
votes
1answer
84 views

Blocking ICMP outgoing requests only in eth1

I am creating a NAT with iptables: Computer A: eth0 (dhcp) + eth1 (static ip 192.168.0.1 - gateway) Computer B: eth1 (static ip 192.168.0.2, using Computer A as gateway) I know how to block ICMP ...
2
votes
1answer
776 views

Can a Private VLAN trunk also trunk normal VLANS

Imagine a topology with Switch A and Switch B trunked together. Also imagine a router on a stick attached to Switch A that routes for these VLANs. The VLANs are as follows: VLAN 1 = 10.1.1.0/24 ...