Modern communication networks are built mostly on the concept of destination routing (although other concepts, such as source routing, do exist). In this concept, the sender of a data packet does not need to know where exactly to find the destination for that packet, all it needs to know is the ...
0
votes
1answer
14 views
Routing subdomains with querystrings
RewriteEngine on
Options -Indexes
DirectoryIndex index.php
RewriteBase /
RewriteRule ^user/([a-zA-Z]+)/([a-zA-Z]+)(/)?$ index.php?controller=main&function=$1&arguments=$2 [NC,L]
I can go ...
0
votes
0answers
18 views
Gentoo /etc/conf.d/net does not work as i expect
Here is net config for eth2 interface :
config_eth2="10.10.10.254/24"
routes_eth2="
46.4.152.96/27 dev eth0 table rteth2
10.10.11.0/24 dev tun0 table rteth2
10.10.10.0/24 dev eth2 table rteth2
...
0
votes
1answer
46 views
Cisco ASA 5505 Voice/Data VLANs not pinging/routing
Hi i am very new to Cisco ASA 5000 series and have two interfaces that i would like to route between, a data network 192.168.69.0/24 and voice 192.168.70.0/24, I have addded both and can ping the ...
0
votes
0answers
18 views
Routing table issue RRAS VPN
Running RRAS SSTP VPN and NAT on Win2008 R2, one NIS, no domain.
The problem is that I need to forward traffic from vpn-client to demand-dial interface via static route.
VPN address pool ...
1
vote
1answer
24 views
iptables redirect tcp to checkip.dyndns.org from localhost to 127.0.0.1:8118
I've tried several different combinations of rules and nothing seems to be working. I know that you can't use prerouting table for a request coming from the localhost so I used the output table and ...
1
vote
1answer
46 views
No TCP connections to hosts behind VPN server (SYN, SYN-ACK, but no ACK), UDP, ICMP works
I'm probably doing something incredibly stupid, but I just can't seem to figure out what. Here's what I'm trying to accomplish: I want remote users to be able to log into our network, so I set up a ...
0
votes
1answer
30 views
How do I connect my dd-wrt router to another wireless network and ensure that all my clients connect only to the dd-wrt?
Here's my situation: I have my internet connection provided by a wireless network (we'll call it "A"). I don't have a lot of control over that network, though. I have a wrt610n flashed with dd-wrt, ...
0
votes
2answers
40 views
Routing segments of intranet over different subnet
There are two (currently separated) segments of the same intranet (same subnet). There's a router in different subnet both mentioned segments can connect to. In pseudographics:
Intranet ...
0
votes
1answer
30 views
Multihoming with iproute2 and multiple VLANs
I'm currently in charge of setting up our office's Linux router. We've been operating with two VLANs (one for data, one for voice) and a single WAN connection. Recently, we've had issues with our ...
0
votes
1answer
36 views
Linux NAT server with two uplinks
In linux FC9, setting eth0 has default, ping -I eth1 IP address is working fine. In FC14 tehe same does not work. The above check is done to test the connectivity from that interface so that if the ...
0
votes
1answer
50 views
How to redirect traffic throught tunnel with Firehol utility?
Special for pQd: please, don't change title again. I need to know, how configure Firehol utility on host 1, not firewall 2. And thank you for your reply. I am studying openvpn now.
There is next ...
0
votes
1answer
46 views
Improving GPRS Internet Performance
I'm not sure if this is the right place to ask this question. But since it is related to GPRS network infrastructure and somewhat packet routing I'm placing it here. Do correct me if I am wrong!
I ...
1
vote
2answers
49 views
create a static route
I have two routers connected to a Comcast cable modem. Each router has its own rotatable IP. Connected to, lets say router 1, is an NT domain which consists of a AD/DHCP server for the LAN. On router ...
1
vote
2answers
54 views
how to pass traffic for port 80 not through openvpn?
Is there a way to configure OpenVPN clients to route traffic for HTTP port 80
and HTTPS port 443 directly (i.e. not through the VPN), but through the regular
default gateway the clients have. All ...
0
votes
1answer
32 views
Route all traffic on specific domainname to a VirtualBox VM on Windows Server 2008
I've been struggling with some routing problem for a while now, and can't seem to get any way with it.
My setup:
Windows Server 2008
1 NIC w/ 2 IP addresses
VirtualBox VM, w/ Ubuntu Server (LAMP ...
1
vote
1answer
24 views
Sharing network: windows host act as router for guests?
I want to pin my guest system to existing network - they must get ip from this same dhcp server like host and can communicate with host and other through this network. Can i do that and how?
-3
votes
2answers
29 views
How to lock tomato router to two ip's
Tomato firmware running on WRT54gl,
I want to lock down wireless traffic to two IP's (on the WLAN-side), all other target attemps from wlan should be blocked. How do I do it?
0
votes
0answers
76 views
Setup Nat and VPN Server in Windows 7 [closed]
I have windows 7 and want to make a vpn server for 3 users! it means i want to route all traffic from client to the VPN Server.
So while the server is a nat server too so all user can connect to ...
-1
votes
1answer
64 views
How to route, using Linux, from nested private subnets to internet
In our departement we have a blade system with one master node and four slave nodes that are connected to the master node. The system uses its own subnet (192.168.1.x) and only the master node is ...
0
votes
2answers
57 views
linux route 2nd internal network
In my network configuration, I have three switches:
Internet (xx.xx.140.129/25)
Internal SAN (10.1.1.0/24)
iLo management (10.1.30.0/24)
I have one Linux server which I use for management that ...
0
votes
1answer
29 views
Webserver cannot access external resources, but website is working fine
I have a pair of webservers (Windows 2008 R2) configured with NLB.
The website on the server can be accessed without any issues by external as well as internal clients. But the neither of the ...
1
vote
0answers
62 views
Multiple subnets on a single interface in EC2
I'm currently working on setting up a QA environment on EC2 along side our production environment. All of the instances are within a VPC setup, with the following subnets:
10.0.83.0/24 - Production
...
0
votes
1answer
167 views
Centos 6.2 Fresh 'Basic Server' install networking issues
I've had a /29 provisioned on a network port for a server and am trying to at least configure the machine so I can ssh into it. It's Centos 6.2 x64 with the Basic Server install. Currently not able to ...
0
votes
2answers
43 views
Routing table gateway
I have a VPS (CentOS 5.6). Here is my routing table.
Kernel IP routing table
Destination | Gateway | Genmask | Flags | Metric | Ref | Use Iface
192.x.x.0 | 0.0.0.0 | 255.255.255.0 | U | ...
0
votes
2answers
60 views
How to route/redirect my Internet traffic through another router/node on the net?
I am trying to access some content on the Internet which has some stupid geographic restrictions (access limited from a specific country. Most likely the restriction is IP based. I happen to have ...
1
vote
2answers
75 views
What “reachability” means in a routing table?
Check this routing table
track 1 ip route 10.46.52.5 255.255.255.255 reachability
ip route 10.1.0.0 255.255.128.0 10.243.222.1 track 1
ip route 10.1.128.0 255.255.128.0 10.243.222.1 track 1
ip route ...
-1
votes
1answer
56 views
blocking specific dns servers
We want to block specific DNS server requests on our network.
We tried null routing the DNS servers that were to be blocked, and it seems DNS requests are still getting through.
Any suggestions ...
0
votes
2answers
45 views
should I add vlans and subnets to the other sites?
I have 6 sites all connected via a 20mb fiber ring. There is 1 dhcp server and wan connection at site1 and the netblock is 10.1.0.0/16 which is enormous. As you can tell all sites grab an IP from ...
0
votes
2answers
50 views
How can I move a service to a new server but keep the same IP and port?
I have 2 servers in the same LAN (connected to the same switch). Each has it's own dedicated public IP address. Let's say 1.1.1.1 and 1.1.1.2. I'm running Windows Server 2003. I have 2 game servers. ...
3
votes
2answers
83 views
Blocking a network device from communicating with another device on the LAN
I have been working with the firewall/router distribution Pfsense for a while now and I have been trying to figure out how to "isolate" a server on my LAN from other computers on my LAN by using ...
2
votes
1answer
58 views
View Infiniband routing table generated by OpenSM?
As I understand it, the subnet manager of an Infiniband network calculates the best routes between each pair of nodes on the network and provides these routes to the nodes when they want to ...
0
votes
1answer
47 views
default gw not used
if openvpn is running, normal internet connections don't work.
My wlan-router is 192.168.178.1
root@e520:~# ip route show
default via 192.168.178.1 dev eth0 proto static
10.0.0.0/8 via ...
1
vote
1answer
29 views
Are ASNs tied to one location/router/physical point?
I am trying to understand how BGP works, and is looking at ways to identify if my ISP is having bottlenecks/slowdowns/dos attacks at thier upstream ISPS. I have a bunch of ASN numbers that I can ...
-1
votes
1answer
33 views
Routing to an external ip
I have a bunch of equipment (RTUs) that connect to a server to download data using a fixed ip and port. Due to change of ISP provider I need to change the ip of the server that handles these RTUs to ...
0
votes
2answers
48 views
What are the advantages of OSPF vs nexthop self with iBGP?
Assuming I have a fairly small network internally, but I have 4 routers each connected out to a different network. The routers are all sat next to each other connected via a switch. Each router uses ...
2
votes
2answers
73 views
Ping only works after about 30 seconds
Today I am working on this issue and I would love your ideas.
There is a network with something like this
LAN 1 -- WAN CHANNEL--- LAN 2
The LAN 1 have two segments.
When I make a ping from LAN 1 ...
2
votes
1answer
61 views
Is it normal for ip -6 route to accumulate entries in Linux?
On a Linux machine connected to the ipv6 internet via a router's radvd-advertised tunnel, ip -6 route accumulates recent addresses. Why does this happen? Is it expected behavior, or is the machine ...
0
votes
0answers
38 views
How to route into subnet using software routing
I have a VMWare "bubble" that has freesco installed as the "router" between the outside of the bubble to the inside. It has port forwarding setup to allow direct connection to the servers inside for ...
0
votes
0answers
32 views
Not able to ping virtual IP from other node of the cluster
This is 2 node veritas cluster running HP-UX and the problem seems to be related to network.
on node1, the virtual IP is assigned to interface lan0:2, which is not reachable from node2.
See details ...
0
votes
3answers
42 views
Evaluate this network with three firewalled zones
I want to set up a basic lab for a one-time project.
This is what I was thinking:
computer ->Router -> firewall e0 -> switch 1 -> DMZ (just a web server for now)
...
1
vote
1answer
96 views
Openstack instance cannot reach lan
Instances launched on openstack cannot connect to anything on the lan, yet they happily reach the internet (google, yahoo, etc.)
Openstack setup:
Ubuntu 12.04 running Openstack Essex
Multi-node
1 ...
0
votes
1answer
35 views
On a router that is an openvpn client, how do I connect the vpn to the lan?
I have a server with a public IP address. Let's call it $EXTERNAL. On that server, I have an OpenVpn server.
The server is set up to run a network:
server 10.14.0.0 255.255.255.0
I have a ...
4
votes
1answer
67 views
Are Link-Local routes necessary (IPv4)?
I noticed in my routes output in RHEL6 (and most 2.6.x series Linux), for every interface I see the creation of the following route in my kernel routing table:
169.254.0.0 0.0.0.0 ...
2
votes
2answers
146 views
Ubuntu Ignoring packets from network A on eth0 when eth4 configured on network A
I have an Ubuntu 12.04 (final beta, up-to-date) server with two configured network interfaces:
root@mac:/home/sysadm# ifconfig
eth0 Link encap:Ethernet HWaddr 00:1e:4f:28:fd:7b
inet ...
0
votes
0answers
42 views
Selective VPN connection only for pre-defined websites
When I setup a VPN connection on my ubuntu box and enable it, all my network activity is taken over by it.
What I want to do is to go through VPN, only when I visit websites like Hulu and Netflix.
I ...
1
vote
1answer
153 views
route all passing traffic on port 80 over router to external squid system
I'm unable to find correct iptables lines for this.
I have a router who has one or more wlan clients (wlan0/10.13.37.x).
eth0 is connected to the internet (through other routers).
Squid is ...
1
vote
1answer
35 views
Two different networks with two different nameservers
On (Arch) Linux, I configured a VPN, which I do not want to use for all the traffic, but for the software that binds to the associated tun/tap interface. So far, with the help of iproute2's policy ...
0
votes
2answers
64 views
Is auto-detection of routers on the local network possible?
Suppose one has configured a bog standard Ethernet connection - there is an IPv4 address, a subnet specification, a default route, even nameservers in resolv.conf, static routes everywhere - is it ...
0
votes
1answer
147 views
Public subnet configuration on a Cisco ASA 5520
I'm trying to set up a Cisco ASA 5520 as the main entry point for our datacenter setup.
This setup includes:
Three private networks (management, SAN and backup) that are used in a cloud server ...
0
votes
0answers
37 views
Linux: Connect from local network machines to vpn client connected to the server that is also gateway for local network
I have openwrt router. It has 3 interfaces: "wan", "lan" (192.168.1.1) and "tun" (10.8.0.2).
"wan" is connection with internet and it has real ip.
"lan" is my local network with 192.168.1.0/24 net.
...
