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Questions tagged [gateway]

The tag has no usage guidance.

13
votes
4answers
4k views

Does a Gateway of a Subnet need to be a “real” Computer?

Is a Gateway always a real computer or just a "logic" entity, which can be on any address, except the broadcast IP?
0
votes
1answer
26 views

Cisco 2960-x doesn't ping default-gateway and creates duplicate packets

I need someone's help I have 3 Cisco 2960-X distribution switches stacked (1 master, 2 slaves), Once a week, our monitoring system alert us that the switch is down, until we reboot it. I ping/...
0
votes
0answers
20 views

Multiple vpn connection for VPN Gateway

All the PCs in the LAN currently connects to internet via a single VPN Connection: +------+ Devices +---------> | TUN0 |+-----> ISP ROUTER +------+ Now, ...
-3
votes
1answer
24 views

D'DNS as Default Gateway [closed]

I need a help! I have router A on 1st location and I have router B on 2nd location - they are miles away !! Can I set DDNS domain name of router A -"server" as default gateway for router B? YES or NO. ...
10
votes
1answer
690 views

AWS NAT vs AWS IGW vs AWS Router

As per this answer, router and gateway are same devices, in terms of functionality. In AWS world, we have internet gateway, NAT gateway and router Are these three not the same?
1
vote
0answers
94 views

Ubuntu VPN Gateway Conf: IPtables Rules & ProxyARP

I want to use an ubuntu 18.04 box (at 192.168.1.50) running a WireGuard client for a commercial VPN as gateway to the LAN. WG is using wg-quick and enabled as a service. Unbound is installed and ...
0
votes
1answer
62 views

Networking problems since new internet gateway installed

This case is a bit weird to understand, so I decided to ask here and see if someone can give me some guesses about what can be the root cause of the issue I'm about to describe. Our company has 2 ...
0
votes
0answers
35 views

How can I add (not replace!) a default route upon OpenVPN connection?

When I run sudo openvpn foo.conf I do not yet have a default gateway defined. Once the connection is established, I run sudo ip route add default via X.X.X.X, where X.X.X.X is the local IP of the ...
0
votes
0answers
119 views

Elastic beanstalk nginx gateway timeout nodejs

Hiii, My elastic beanstalk recently started to report that "100%" of requests are failing due to some 5xx error. This error somehow goes away when I restart my app servers. I found out that it is 504 ...
1
vote
1answer
47 views

Interface Masters Niagara 32264 Bypass Mode issues

We have several deployments of ClearOS 7 servers (hardware: Dell PowerEdge T30) on our clients' networks functioning as gateways. Recently I've been having a problem getting the Interface Masters ...
0
votes
1answer
42 views

rhel7 default gateway in the route table

After restarting network/rebooting the server, the default gateway IP address is also getting added as a route Destination in RHEL7. How can I prevent this? We have not specified this setting and not ...
0
votes
2answers
106 views

Machine connected to a vpn not reachable anymore from the outside

My raspberry is connected to my lan network 192.168.1.0/24 and it has a static ip. From the outside I can reach it by opening some ports on the ISP router. I have installed an openvpn client on it ...
0
votes
0answers
19 views

How to configure ip6 gateway routing with a wildcard

We have a number of devices that need bidirectional traffic with our servers. Each of these devices has an address prefixed by their gateway (they are IoT devices sitting on a local mesh network, ...
2
votes
1answer
43 views

Implementing a Highly Available backend gateway for a cloud app on AWS

I have 2 EIPs allocated for a cloud app, which are used in round robin DNS. I'd like to have some sort of high availability mode for our 2 gateways (proxies) which are associated with those EIPs, so I ...
2
votes
2answers
1k views

Add static route (default gateway) on Ubuntu 16.04 server

I have set up Ubuntu 16.04 VM server, and I'm trying to change default GW on it. (all traffic should be redirected to another gw - because of whitelisting problems). Incoming traffic will come from ...
0
votes
1answer
67 views

Routing WebApi through Point-to-Site and Site-to-site on Azure

i have a webAPI hosted on azure. It connects to 3rd party site using their dev env IPAddress and Port. This works fine. The requirement was to then create site-to-site VPN connection to connect to ...
0
votes
1answer
48 views

Allowing docker containers to communicate with internet using a container as a gateway

Below is my configuration of my docker containers network nw1: This is a private network containers in this network cannot access the internet (ping google.com doesn't work) bridge:This is not a ...
1
vote
1answer
2k views

Use of Gateway Subnet on Azure

I'm trying to create a Point-to-Site(P2S) VPN on Microsoft Azure and in order to do so I created a VNet, created a couple of subnets under the VNAT and then I read that I need to create a "Gateway ...
0
votes
1answer
24 views

common Network on 2 dedicated ESXi servers

I have two ESXi dedicated servers from a cloud vendor. Each server has two nic card, one is private and one attached with public gateway. ESXi 1 - i created a vSwitch0 from public NIC and VMkernal ...
0
votes
0answers
17 views

502 (111: Connection refused) while connecting to upstream [duplicate]

after installing SSL. I have 502 error, When I provide nginx -t it works. I searching solution on internet, but any cases aren't work. It's my configuration file: server { listen 80 ...
0
votes
2answers
25 views

What gateway does VPN use?

When I connect to VPN in Windows 10 and then change the gateway setting of default ethernet connection, will VPN remain to route traffic through the gateway it has on connection moment or will use new ...
0
votes
2answers
30 views

Creating common gateway for Azure network

Suppose I created a Linux VM instance on Azure (Let's call it A1). To access this instance from my company's network I had to ask the IT team to allow the outbound traffic from my company's machine (...
1
vote
0answers
167 views

Routing troubles on secondary FIB/routing table on FreeBSD

I have a need for a secondary routing table on this machine. I've got everything mostly set up, but I'm having an issue getting the default route working on the secondary fib. In most information I ...
2
votes
0answers
26 views

USB broadband 3G connecting to a wireless router

In my workplace, the ADSL / internet line (which is connected to a TP-Link router) is down, so I need to use a USB 3G broadband modem to give other computers internet access. I was wondering if there'...
1
vote
1answer
51 views

Using Asterisk as a gateway to Provider

I have 2 sip servers on different LANs. Freeswitch and another is Asterisk. Asterisk sits on a VPN with a provider and who has provided DIDs. All users register on Freeswitch. How can I route calls ...
0
votes
0answers
37 views

Connecting 2 different networks (routing / Gateway)

I have a basic question about connecting two networks, and the routing / dns settings required: Network A (company, 2008 R2 Environment) is a Domain-Network, containing it's own dhcp, dcs, Internet-...
1
vote
0answers
41 views

Restore AWS Storage Gateway Server

I just setup an AWS File Storage Gateway server on-prem. I was able to connect it to an S3 bucket and I can mount it as an NFS share to Linux servers which is great. My concern though is this - if for ...
0
votes
1answer
218 views

apache reverse proxy with varnish cache configuration

I have an Apache reverse proxy that is serving content from another site over the Internet. There is an ssl cert between the user and the proxy and between the proxy and the origin server. Apache ...
0
votes
1answer
45 views

windows 10 ip route not working for modem usb 3G

i have 2 interfaces: 1 .- Cable ethernet 2 .- USB modem 3G, The problem is i cannot work with both at same time, routing seems not to be working for me... I cannot nake this work: 0.0.0.0 ...
0
votes
0answers
19 views

LXC guest connects to network in spite of misconfigured Gateway

I am running an LXC container on Slackware 14.2 host with Slackware 14.2 guest. Here the relevant configurations: Configuration to start the bridge: /sbin/brctl addbr lxcbr0 /sbin/brctl setfd lxcbr0 ...
0
votes
1answer
175 views

How to change ip of azure gateway

How to change frontend ip of Azure Application Gateway? The ip I want to change to exist as a Public Ip resource in azure. In the "Frontend IP configurations" I can see the old IP beeing used. But ...
1
vote
1answer
270 views

Ping is not working for internal interfaces

I am having a Gateway CentOS 7 which gets no reply for pings on its internal interface when the interface is specified making me think there is the problem, but also not able to ping ANYTHING on the ...
0
votes
0answers
62 views

Firewall WAN traffic stuck in a loop at gateway

I installed OPNsense on my firewall (firewall-new), set igb0 to WAN, connected it to my ISP's box and assigned the IP and gateway provided by my ISP. firewall-new can ping hosts on the internet such ...
1
vote
0answers
41 views

Ubuntu - Inbound network access stops after setting a static IP

I am trying to setup a gateway server in my cloud network so all my servers(some who do not have an external IP) can access the internet via this gateway server. To achieve this, my first task is to ...
0
votes
0answers
43 views

Brocade vRouter 5600 firewall allows SIP/5060 even though the port isn't accepted

I'm running Brocade vRouter 5600 (Vyatta) and are having trouble with the firewall settings. I have 4 VLANs, and some subnets. VLAN 10 (gateway management private VLAN) VLAN 20 (gateway management ...
0
votes
0answers
42 views

Deciding output interface conditionally in iptables rule

I am building a gateway which has two interfaces for internet connectivity. One is Ethernet and another is USB modem. Wi-Fi interface is being used in AP mode. I want to give priority to Ethernet over ...
0
votes
0answers
28 views

Which gateway use for CentOS cluster

I'm building my first CentOS7 local cluster with 2 boxes. And Im diving into the network details. 1# centos-master 2# centos-infra I would like to setup the DNS server with freeIpa on centos-infra. ...
0
votes
1answer
4k views

Allow internet access for ec2 instances with private IP addresses inside a public subnet?

I have a public subnet(S1) with a route pointing to the internet gateway in its route table. Launched an ec2 instance(I1) inside S1 but did not allocate a public IP to it, thereby the instance only ...
0
votes
1answer
146 views

Need help on Squid server as gateway + iptables

There are a few PCs on LAN so I picked one and set it out as a gateway server, by running Squid on port 3128 (Ubuntu OS) then ran the following 2 commands on it: echo 1 > /proc/sys/net/ipv4/...
0
votes
1answer
43 views

Client not receiving Responses from Gateway (OpenStack)

I'm trying to use a Ubuntu box as the gateway for my LAN. This is my setup: Ubuntu Gateway ens3: WAN 10.0.10.163 netmask 255.255.255.224 ens4: LAN 10.0.10.231 netmask 255.255.255.224 Ubuntu Client ...
0
votes
0answers
65 views

Find gateway of VLAN on Linux

I have a Linux box on a network where the network has several VLANs. Of course, the Linux box is on VLAN 1 (the LAN) and I know how to get the default gateway on the LAN using "netstat -rn" and ...
0
votes
0answers
87 views

Default gateway settings on DHCP NIC

I'm kinda new in the Server world. I have a Windows Server with two NICs, one for internet and one for DHCP on the LAN - however, the second NIC shows up as "unidentified network" and I cant change ...
1
vote
1answer
2k views

Nginx CentOS 7 PHP-FPM 7 502 Bad Gateway

I have configured Nginx, PHP-FPM 7 on CentOS 7. I am now having a 502 error. In www.conf: user and group are nginx. listen = /var/run/php-fpm.sock listen.owner = nginx listen.group = nginx listen....
1
vote
0answers
19 views

Debian Xen - One VM routings stops working randomly

I have a server installed Debian Xen 4.1. I will refer to this server later with letter A. The server has two virtual servers running. Let's call these servers with letters B and C. All servers A(...
3
votes
1answer
288 views

FreeBSD gateway between two private networks - NAT required?

I have two networks: 10.0.0.0/24 and 10.1.1.1/24. Default gateway to the Internet is 10.1.1.1 and my gateway system gets assigned 10.1.1.20 on the external interface and has 10.0.0.1 on the internal ...
-1
votes
1answer
262 views

ovh's fail-over ip as a gateway

I own one of OVH's VPS instances. It's located in France. I've deployed an application which connects to a service located in Poland. The problem is the service rejects any connections from foreign ...
0
votes
1answer
682 views

Azure routing through point-to-site then site-to-site

I did have a good hunt around for a similar post but couldn't find the same scenario. I am trying to connect to a 3rd party URL from an on-prem machine, through Azure. So: on-prem -> (point-to-site)...
2
votes
2answers
602 views

I can ping Web, but not browse it — why are my DNS settings failing?

Update 6 @ 2:56p on Nov 21 I am working on a creating a small network of virtual machines and containers. So far, I am stuck configuring the host though. There is no virtual machine involved in this ...
0
votes
1answer
611 views

Nginx: special behaviour for upstream “Host not found” errors?

When nginx's proxy_pass returns a 502, there may be a broad range of reasons. What I want is to be able to detect when 502 was returned because upstream host was not found (that is, failed to resolve)....
0
votes
1answer
2k views

How can I assign static IP address with a specific gateway in an ISC DHCP Server?

I have a router whose WAN Gateway I want to modify, without other routers in the network being affected. I want to test how the network behaves if I change the gateway for only one router. How could ...