Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [ip-routing]

272 questions
-1
votes
2 answers

Debian - Dual WAN - Static Route on a DHCP Interface

I've got two WAN interfaces coming into a Debian 8 VM. WAN 1 - All Internet and local traffic. (0.0.0.0/0) Has a a static IP, thus IP, netmask and gateway are fixed values. WAN 2 - Specific private subnet traffic only (10.100.0.0/16). IP obtained…
Indecided
  • 3
  • 2
-1
votes
1 answer

How to change loopback network mask or redirect subnet to another interface

I have the following problem. First of all. Here are my interfaces. # ip addr ip addr 1: lo: mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo …
e109848
  • 23
  • 1
  • 4
-1
votes
2 answers

How to null route a dns zone

I have a domain that was attacked and flooding the server apache system. The only way to detour the attack is to reroute the dns off the server. Is there a generic IP like "127.0.0.1" that I can use to send all traffic away from the server? I just…
Charles Yarbrough
  • 13
  • 1
  • 4
-1
votes
1 answer

how to 2 ip virtual in public dan private with forward to different destination

Here my case, Server 1 public IP in 1 box (eth0) -> 203.x.x.55/28 and 57/28 gw 203.x.x.49 private IP (eth1) -> 10.10.8.1 Server 2 private IP in 1 box (eth0) -> 10.10.8.5/24 and 7/24 gw 10.10.8.1 Iptables -A PREROUTING -d 203.x.x.55 -i eth0 -p tcp…
Pathic
  • 121
  • 1
  • 5
-1
votes
1 answer

Can 2 IP's in the same network communicate with 2 different netmask

I need to expand a network really quick and don't have time or access to change the netmask of all devices. Can the following communicate? IP 1 - 192.168.10.10 mask 255.255.255.0 IP 2 - 192.168.10.15 mask 255.255.0.0 Our switches we don't have the…
nennis2k4
  • 19
  • 1
-1
votes
3 answers

want to Make software router having two nic cards using centos 6.4

I'm new on CentOS. I have a CentOS 6.4 system having 2 NIC cards. I want to setup a gateway so I can get internet from public ip over 1st nic card (eth1) and forward the network over 2nd nic card (eth2) so it can be accessible to my local network. I…
Rahul
  • 83
  • 1
  • 1
  • 7
-1
votes
2 answers

Webserver Multiple Gateways

I have Ubuntu Server 12.04 I have 3 gateways on my lan 10.0.0.1 10.0.0.2 10.0.0.3 Ubuntu has 3 NICs eth0 10.0.0.60 gw 10.0.0.1 eth1 10.0.0.61 gw 10.0.0.2 eth2 10.0.0.62 gw 10.0.0.3 If a request comes in from gw 10.0.0.1 it work fine. the other…
Eric Fluharty
  • 1
  • 1
-1
votes
1 answer

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 add the route manually? I COULD add them…
Robbie Mckennie
  • 1,083
  • 1
  • 8
  • 21
-1
votes
1 answer

unknown nodes in network

When I look at my routing table, I notice two ip addresses within my local network that I am not sure where they are coming from. I currently only have one computer connected to my router, which has a LAN address of 192.168.2.6. Here's the output on…
JohnMerlino
  • 425
  • 2
  • 9
  • 20
-1
votes
3 answers

Packets dropped due to NAT? Firewall? Unroutable private IP addresses?

Preliminary note This question is out of academic interest. I know how to work around the limitation. I use this setup to control access from one subnet to the other on IP level which works great so I don't need any 'solution' or alternative setup -…
pong
  • 173
  • 1
  • 2
  • 8
-1
votes
2 answers

Multi hop routing

I'm trying to communicate from the tx.py program to send packets (UDP) down to device 1 and device 2 shown in the picture. Currently we have OpenVPN clients running on 2 of our VMs and if I run tx.py on those vms I can communicate fine to each…
Fraggle
  • 61
  • 1
  • 2
  • 10
-2
votes
1 answer

Easiest routing solution for a typical firewall with WiFi routers setup - WAN-2-hops-away network

Suppose a local network connected to the internet via a single firewall router. Devices that connect directly (i.e. using only layer 2 devices) to that router are: hosts WiFi routers providing the internet connectivity to other hosts. Note that…
vucalur
  • 99
  • 1
  • 5
-2
votes
1 answer

cisco static router issue

I have emulated some routers under GNS. The problem is the following: The first router has (R1)192.168.1.1 ip address, the second router(R2) has 192.168.1.2 and 192.168.2.1 ip address and the third (R3) 192.168.2.2 and 192.168.3.1 The problem is…
user159192121
  • 27
  • 5
-2
votes
1 answer

Connectivity issues with 127.x.x.x series

Asked this in network-engineering in stack exchange and was redirected here. I have a couple of servers with the below config server1: eno1: 127.15.0.1/16 scope global eno2: 5.0.0.1/24 server2: lo: 127.0.0.1/16 (it had /8. I changed the subnet mask…
RBK050
  • 9
  • 2
-2
votes
1 answer

Virtual network interface in Windows

i am trying to setup a VPN server tunnel on my windows PC so that i can connect to it using remote client VPN hence routing traffic through that tunnel client = android
invisible prince
  • 1
1 2 3
…
18
19