0
votes
0answers
49 views

Can a 100Mbit switch throttle the internet connection?

We have a rather peculiar problem with internet speed in our office. Recently, we switched to a fiber-optic connection. We're supposed to have a 100Mbit connection (up and down). Here's how it has ...
1
vote
1answer
231 views

Block wan request is on. 3CX system

I am trying to connect to my 3CX PBX on an amazon ec2 windows server 2012 instance. I have created the security group, and added exceptions in the firewall. The firewall checker in the 3CX control ...
2
votes
4answers
268 views

Network Latency over WAN

Let me take a minute to explain the background of the challenge I am facing. My company has offices in US and Asia. The users work on large CAD files. The office in US has NAS (Network Attached ...
0
votes
3answers
217 views

My domain is not visible to world

How I can make my myself hosted domain visible to world? Question Details: I have a domain donotrape.me which is not visible to world. My System is Debian 7 64BIT, Bind9, Apache. Debian firewall is ...
-1
votes
0answers
151 views

Need iptables commands to permit all WAN originating traffic to enter the LAN side of a router [closed]

I have three routers. Router0's WAN interface connects to the ISP, and the WAN interface of Router1 and Router2 connect to Router0's LAN interfaces (i.e. hard wired). So this is what it looks like, ...
0
votes
2answers
225 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
1answer
404 views

Gateway/Router - Multiple Public IPs on Virtual WAN Interfaces Through Single WAN Interface/Port

I am looking to setup a router with multiple public WAN/IP interfaces that can be routed across a single physical WAN interface/port. I realize it would be necessary to have different MAC addresses on ...
-3
votes
1answer
112 views

I need a 5th port on a 4-port modem [closed]

I'm managing a big building, with a lot of services/vendors and I have a DMZ'd 4-port cable modem, Model: SMC8014, that has 4 separate networks branching off each of its 4 ports. Each network has its ...
1
vote
2answers
400 views

How to connect 2 Physical Networks with 2 Separate WAN together

My customer has two small companies in two separate buildings that have merged. The buildings are 30ft apart, so they ran an outdoor, buried CAT6 cable between them. They want to use the main ...
0
votes
2answers
80 views

Find the WAN address range

I'm trying to find the WAN IP range for a network on another location. When I do a tracert on the LAN gw, the last hop is the adress is 79.161.2.255, This is the ip range belonging to the ISP, but I ...
1
vote
2answers
326 views

ASA, 2 WAN connections

I need help about configuration firewall ASA 5505 connected to 02 wan connections interface Vlan1 nameif inside security-level 100 ip address 192.168.254.1 255.255.255.252 interface Vlan2 ...
0
votes
1answer
500 views

Troubleshoot port forwarding. Could it be ISP blocking incoming connections?

Had a new Axis IP camera delivered yesterday. Plugged into Cisco E2400 Wireless Router but having problems. Example topology: WAN IP: 82.10.10.10 (example) Cisco Router: 192.168.1.1 Axis ...
1
vote
0answers
73 views

WAN Woes Between Satellite Offices

Having a baffling time trying to troubleshoot an issue between 3 sites on a WAN set up via site-to-site VPN. The sites are: NY: 10.30.1.0 (HQ) OH: 10.30.6.0 CT: 10.30.7.0 When I first ...
0
votes
1answer
365 views

Two Cisco 2901 Back-to-Back using X.21 (HWIC-2T) - Am I missing some config?

I have two Cisco 2901 GWs, each has an HWIC-2T interface module. I want to set them up back-to-back to send network traffic between PCs and Phones connected to my GWs over this link. I have ...
1
vote
2answers
781 views

Bind WAN IP to LAN (under router) IIS

I am hosting my own website on my local machine and set up a virtual server on my router and everything works like a charm. In IIS, i cannot bind the WAN IP, as it doesn't show up, and if I type it ...
0
votes
1answer
371 views

What causes a network adapter to have a high output queue length when maxing out a WAN link?

Why do I see a high output queue length in perfmon when the network adapter is saturating a WAN link? If a file is transferred across the 10Mbps link, the server will max out the connection and all ...
0
votes
2answers
1k views

How do I simulate a WAN inside a LAN for remote office server setup?

I need to send 3 vmWare ESXi servers (hosts) to thee locations around the world. Each host will have 3-5 guest VMs performing various tasks. Each host will live behind a firewall configured with a ...
1
vote
2answers
192 views

How to reliably synchronise file servers between London and Shanghai?

We have two offices, one in London and one in Shanghai, each needing to be able to access the same set of files. This means we need a solid, speedy means of synchronising a set of folders between ...
16
votes
3answers
1k views

Troubleshooting Network Speeds — The Age Old Inquiry

I'm looking for help with what I'm sure is an age old question. I've found myself in a situation of yearning to understand network throughput more clearly, but I can't seem to find information that ...
-3
votes
1answer
306 views

Equipment Needed to setup up a WAN?

What equipment is needed to set up a WAN, besides routers? What aspects of setting it up and maintaining it make it so much more expensive than a LAN?
0
votes
1answer
239 views

Need to configure Nortel SR1004 router for new Internet Connection

I'm trying to prep for a new fiber circuit that is being installed in our office and I'm having difficulty finding much documentation on the Nortel SR1004 router. The router currently is used for 3 ...
1
vote
2answers
271 views

How to forward static IP to the server computer in the LAN

We want to have an office server, we already have static IP. But the thing is that we need to have following structure: ISP Modem Router Server Wireless router Also I'v tried ...
1
vote
2answers
278 views

A good topology for my network

I have this topology in my network at the company where I work: Where the only router is the 'main router' (is here where we receive the internet signal from our provider) the others networks ...
2
votes
3answers
160 views

Accessing the servers via their WAN IPs from the internal network - connect them to LAN too?

Currently we have a few servers behind a router/gateway, which is in bridge mode, so the servers have directly assigned WAN IPs with no NATting performed. This works as expected. There is, however a ...
0
votes
4answers
2k views

Find the ip address of my modem from outside my network [closed]

I am out of town, and dyndns droped my account and deleted my ip address. I set up a new dyndns account, but I really need the ip address of my home modem. Is there any way for me to retrieve it? ...
1
vote
3answers
504 views

Persistent Issues on small business network using Cisco 871W and Catalyst Express 500

Being the most qualified (read: still not qualified) to solve our persistent network issues, I've turned to serverfault for guidance. I've done some searching, reading related documentation on ...
0
votes
2answers
289 views

WAN Link Balancing - Best Way To Approach

First some of the details. We are a SME (80 office users 30 remote) with 2, soon to be 3 WAN connections. Our WAN connections are a T1, Cable (25/5), and soon to be DSL (10,2). We are looking to to ...
0
votes
5answers
666 views

Will a router allow network traffic from a static IP?

We have some servers in a data center but the data center does not offer a DHCP service. We want to have some computers setup with DHCP and others that have static IP's. Currently our WAN cable going ...
2
votes
2answers
1k views

DNS resolution failing over to secondary DNS - why?

We have large number of branch offices connected via VPN, but without any kind of server infrastructure. The client machines in each office get their network configuration from an ASA 5505, which is ...
3
votes
2answers
146 views

Increasing speed between buildings above 1Gbps

I am looking for options to increase the speed between buildings, ideally without having to replace existing fiber. Current situation: Multi-building campus, with Gbps fiber links between ...
5
votes
1answer
1k views

Draytek Vigor 2820 static IP's

I have a Draytek Vigor 2820 router which is connected to our ADSL provider (British Telecom, BT). We currently have one static IP address which is accessible from anywhere outside of our network and ...
0
votes
1answer
53 views

IP compatible with localhost and external

Im working on an online game, but I'm having an annoying issue with me and my friend testing. The thing is, I set the client to connect to my WAN IP so he can connect, but then I cannot connect as it ...
1
vote
5answers
2k views

For remote IT purposes, VPN or WAN?

I work for a small insurance company that only has 2 offices. Right now, if something goes wrong in another office, it's just a short road trip. But... This company is expanding, and will have 4-5 ...
1
vote
4answers
742 views

Can we connect LAN (Ethernet) with a wide area network?

Suppose we want to connect a local area network (Ethernet) with a wide area network, the question arises is, can we connect a local area network with wide area network? If we directly connect the ...
1
vote
1answer
2k views

Calculate vbr-nrt on a ATM interface?

We have a DS3 ATM with a 3Mb (soon to be 6Mb) PVC. How do you calculate the vbr-nrt setting on a Cisco router for this interface? Understanding the VBR-nrt Service Category and Traffic Shaping for ...
3
votes
4answers
2k views

What are the advantages/disadvantages for using a single strand of fiber for a full-duplex link?

I have seen telcos install one-strand fiber links at full-duplex, but haven't found much documentation about this configuration. What are the bandwidth limitations, troubleshooting complications, ...
13
votes
6answers
4k views

What tool(s) can I use to simulate a WAN for HTTP traffic?

Sometimes I need to simulate a WAN environment between my client and server. I mean, specifically, from most important to least: Total bandwidth limit, Occasional long (many tens of seconds) delays ...