0
votes
0answers
33 views

OpenVPN advanced privileged client access customization

I have implemented an OpenVPN server running on Tomato router (Let's call the router TR) the OpenVPN server is using TUN interface which means connections between clients and servers are based on ...
1
vote
1answer
126 views

Scanning tagged traffic over bridge through iptables

I am working on bridge on linux box using brctl. Now I have to scan and monitor bridge traffic through iptables. So for the same I changed: net.bridge.bridge-nf-call-iptables = 0 to ...
1
vote
1answer
147 views

bridge, vlan and internet access. How?

I'm trying to setup a working connection between my local network and the internet. First I setup a bridge (br0, has an IP address where the other interfaces don't) between eth0 (LAN) and eth1 ...
0
votes
1answer
787 views

Unable to access VLAN host from VLAN interface in CentOS

I am playing with VLAN (Virtual LAN) configuration on CentOS 6.4. I have 2 interfaces, eth0 and eth1. I have configured 2 VLAN interfaces eth0.20 and eth0.30 as #file: ifcfg-eth0.20 #------------- ...
0
votes
2answers
221 views

Sharing internet to Private WAN routing

I'm trying to help out with sharing internet over a private WAN installed between two sites, unfortunately the routers are controlled by a company that won't respond to support requests, but they have ...
1
vote
3answers
2k views

iptables: match only untagged traffic on an interface with VLANs

As far as i know, there is no way of distinguishing VLAN traffic in iptables on the master interface (that is the interface to which virtual VLAN interfaces are added with vconfig or ip link add link; ...
-2
votes
2answers
208 views

Linux Bridge allowing TCP but not UDP

I am using a linux bridge for monitoring some traffic on two vlans. I created two bridges br30 et br40 for each. My problem is that the TCP traffic make it through but not the UDP one. I thought of ...
0
votes
1answer
2k views

routing through multiple subinterfaces in debian

my question is as simple as the title, i have a debian 6 , 2 NICs, 3 different subnets in a single interface, just like this: auto eth0 iface eth0 inet static address 192.168.106.254 ...
0
votes
1answer
268 views

traffic priority using iptables

I have set up 4 VLANs with ids 100,200,300,400 on raw interface eth0.Now i wanted to prioritise the traffic that will be flowing on these interfaces.I think so,i can use iptables to add QoS rules to ...
0
votes
2answers
1k views

Linux NAT over VLAN

I have a VLAN setup through a switch to act as a trunk. Sending tagged VLAN packets to their respective ports as untagged. On these are various devices that all require the same IP on the same subnet ...
1
vote
1answer
290 views

iproute and nat across devices

I've got the following configuration: vlan123@eth0 - range 1.2.3.0/24, with 1.2.3.4 assigned to it br2000 - range 10.2.3.0/24 In the ip route I see: 10.2.3.0/24 dev br2000 proto kernel scope link ...
1
vote
3answers
878 views

Linux Router with Single NIC

Suppose I have a small network, with a number of VLANs as follows: VLAN1 10.1.1.0/24 VLAN2 10.1.2.0/24 VLAN3 10.1.3.0/24 VLAN routing is taken care of by the core switch, the switch ...
0
votes
2answers
1k views

Forward port ip on seprate vlan dd-wrt

I set up multiple isolated vlans in dd-wrt. Now I need to forward a port to an IP on vlan2. The goal here is to allow someone to use a computer on vlan2 without having access to the rest of my ...
2
votes
2answers
353 views

Splitting a subnet, and routing it on a two interface iptables firewall

I have a two interface Linux iptables firewall. Currently I have several servers behind it on a private network 192.168.0.x. The firewall currently has each IP configured locally and uses NAT to ...
4
votes
3answers
460 views

LAN and WAN at the same cable?

Can I connect LAN and Internet using the same cable? LAN computers ------\ Ubuntu server ------Switch ADSL Router --------/ I want to make LAN computers 192.168.0.2-50, server will have real ...