WAN refers to Wide Area Network

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Web server not accessible to other systems on LAN

I'm trying to test a web site being served via nginx on my Mac. Things work just fine accessing the server on that same Mac, but when I try to get to it from a couple of Windows machines on the same ...
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5answers
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, ...
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0answers
13 views

Dual WAN Connection: WAN 1 can ssh, WAN 2 can not on specific IP [migrated]

I have a Dual WAN Connection (1 ADSL and 1 SDSL) I have 2 example IPs, say IP1 and IP2 I can ssh into IP1 from WAN 1 and WAN2. I can ssh into IP2 from WAN 1, but not WAN 2. But : I can ping IP1 and ...
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2answers
946 views

Bad WAN Transfer Speed (Windows Server 2008 R2)

We have two servers in different data centers which are geographically separated by several hundred miles. The RTT (round trip time) for a ping between them is 61ms over our VPN. Both servers are on a ...
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1answer
31 views

Access domain from internal network [closed]

I have a domain, example.com and it has a A record pointing to my external IP. Port 80 is forwarded to my server. However, when I try to access it from inside the local network (behind the external ...
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5answers
10k views

ZFS Sync over unreliable, slow WAN. ZFS replication, or rsync?

I've been tasked with making an off-site backup work over the WAN. Both storage boxes are FreeBSD based NAS boxes running ZFS. Once or twice a week, 15-60 gigs of photography data gets dumped to the ...
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2answers
532 views

SQL server performance over long distance

Is it reasonable to expect decent performance from a SQL server connected via fiber private WAN - 5000 km's away. The carrier is telling us that this network is the 'best' possible, and will ...
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0answers
75 views

Nanostation M5 Point to Point, SOHO Router IP Addressing

I have two sites both with Line of site from each other. Each of the two sites has a Draytek 2830 on site with an ADSL connection. I have a pair of Nanostations which I want to setup on the Ethernet ...
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2answers
93 views

Simulate WAN / Route Between 2 Virtual networks (Vmware)

i am in the process of doing some Labs on VMWARE ESXI 5.5, i am currently testing replication between 2 AD sites, i have set up Site A containing 2 DC's and want to setup Site B Contains 2 DC's as ...
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0answers
3k views

pfSense no access from lan to wan

Can anyone please help me ? Probably the answer is already somewhere in the forum, but unfortunately I have not found it until now. Since two days I fight to have access to the internet across a ...
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1answer
61 views

Setup Windows Server Local DNS on WAN

I inherited a WAN with centrally hosted DNS,AD Servers. I have clients connecting to Application Servers hosted locally on site. Problem is when the WAN link goes down clients can't connect to ...
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1answer
2k views

Cisco dual static default routes to WAN

I am trying to setup Dual WAN in our office because our single VDSL modem couldnt handle our web traffic any longer. So we now have two VDSL modems (Sagecom FAST2864) they cant go into bridge mode ...
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2answers
262 views

Possibility of WAN Optimization for SSH traffic

While I do understand that SSH by itself is a very low bandwidth utilizing protocol, it is sometimes choking up bandwidth during peak hours in our office environment. I want to know if at all it is ...
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1answer
55 views

Vsftpd access over wan

I can't seem to get ftp access over wan, local works perfectly fine. Initial connection over WAN works fine, but the server rejects passwords with the error 'Can't write to control socket. Socket ...
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0answers
161 views

Dual WAN setup in Redhat/Centos Linux

I want to setup a Linux Server running SIP (freeswitch) applications with 3 NICs as follows: 2 of the NICs are WAN connections and the 3rd is a Private network for routing requests to other hosts on ...
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2answers
166 views

Sonicwall tz210 WAN not receiving dhcp address

I have a SonicWall TZ210 running SonicROM 5.0.2.11. There are two ISPs: ISP A gives a static address and is currently working fine. ISP B offers a cable modem and a DHCP address. The TZ210 connects ...
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1answer
1k views

Routing multiple WAN subnet on a single interface SonicWall NSA 2400

In my current infrastructure I have the following setup : ISP LINK 1 (64.30.24.128/26) ----|X3--sonicwall--X0|----LAN (64.30.24.128/26) X0(LAN) is configured as Mode/IP Assignment: Transparent ...
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2answers
2k views

On a router, how do I block wan access for a particular machine without blocking its access to the local network?

On my tp-link TL-WR1043ND router I want to prevent a particular machine from having access to the WAN while still allowing that machine to access other machines on the LAN. My assumption is that I ...
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6answers
7k views

How should I copy my VM templates between vSphere datacenters?

Background/Environment Architecture: My current environment for $corp_overlords$ is set up in a hub-and-spoke model with a technologically well-endowed home office hub (SAN, bladecenter/bladesystem ...
2
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2answers
117 views

AWS - Optimize WAN link between VPCs [closed]

I have 2 VPCs, one in us-east-1 and another in ap-northeast-1, with an OpenVPN tunnel between them. According to my ping test, the latency between the two regions is ~160-180ms. Assuming all services ...
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0answers
384 views

Incoming Connections with Two ISPs and Cisco 2911

I am a relatively beginner Networking Guy and I have managed to set up a Cisco 2911 router with two ISPs (no BGP), NAT and route-maps (although I don't really understand them) to the two up links with ...
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1answer
74 views

Remove gateway for private network on Server with 2 ethernet ports - Why

I have a server with 2 ethernet ports, use one port (eth0) for the private LAN, and a public IP from ISP is on second port (eth1). I have it working, but I'd like to know the reason why I have to ...
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2answers
202 views

SMB2 over 1GB PTP Link - 10ms latency

Maybe I'm expecting way more from SMB2 than what's realistic. Here is the scenario. Windows 7 Client (Local) A) Win2008R2 Server (LAN -- 1GB, <1ms) B) Win2008R2 Server (WAN -- 1GB, 10ms) ...
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1answer
4k views

iptables - allow connections only from LAN

Is there a way to deny all external traffic (WAN) to SSH and allow only local traffic (192.168.0.1 to 192.168.0.255) and what would be the rule?
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2answers
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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 ...
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1answer
132 views

How to replicate web site files to web servers over WAN for LB sites?

I am working on a new setup for a a handful of websites of mine. My side business is growing (web hosting and light webdev) and I am working on a new infrastructure design using commodity hardware ...
2
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1answer
948 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 ...
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0answers
107 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 ...
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2answers
2k views

SMB2 traffic crashes network?

We've been having significant network slowdown issues over the past few weeks, primarily on a Friday morning. We run Windows 7 client machines, with Windows Server 2008 R2 servers. What generally ...
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4answers
549 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 ...
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2answers
3k views

Why can't I have the same subnet on WAN and LAN?

I want to know why same IP with same mask on both WAN and LAN side could be a problem. I also want to know if setting different mask, but having same IPs will resolve the routing problem. ...
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Wan emulation on linux

I have to connect two different geographic networks with an OpenVPN (for instance) Before doing that "in the real world", I wish I could test my configuration. My main idea is the emulation of ...
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0answers
68 views

Outlook 2010 Not Responding through out day over WAN

I have a group of users who get "Not Responding" in the title bar of Outlook 2011 for 30-90 seconds at various times throughout the day. I have used the Outlook Connectivity Tool from MS's website to ...
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3answers
307 views

Alternatives to the Cisco “Windows Server on WAAS appliance” for satellite office usage [closed]

We need to deploy RODCs to many small satellite offices where we may want additional lightweight infrastructure there too (file, print, dhcp) Are there any networking devices that include RODC ...
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1answer
420 views

One WDS server, multiple subnets

Goal: Be able to deploy Windows through WDS to different subnets (in different geographic locations) using only one WDS server located within the 'main' subnet (where I am). Info: Each subnet is a ...
1
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1answer
740 views

Should I create a second WAN Interface for a new SSLVPN setup on my Sonicwall 2400?

Sonic Wall 2400 I'm setting up a new SSLVPN on our Sonicwall, very new to this. I currently have an exchange server as well, so mail.company.com is directed to our mail server. I'd like to setup a ...
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2answers
165 views

Forward the Wan IP to another Wan IP without changing the source address

I have tried this case by using the NAT function in iptables but fail example. PC A IP is 1.1.1.1 (Win7) My Server IP is 2.2.2.2 (CentOS 6.2) target Server B is 3.3.3.3 (Windows server 2003) Flow: ...
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1answer
4k views

Fortinet multiple WAN IP to several ports

I have a 5 public IP address range. (ie: 1.1.1.1 to 1.1.1.5) I would like to assign the first to port 1 transparently in a way that a VPN router (RV082) could connect via it and respond ...
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1answer
140 views

Cannot reach website from outside of LAN [closed]

I am at much of a loss here, guys. I am running an Apache HTTP webserver from my laptop and I am unable to reach it from outside the routers borders/LAN. I cannot seem to ping it outside LAN and when ...
0
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3answers
1k views

What's a good way to run a point-to-point network speed test over a WAN? [duplicate]

I want to monitor my WAN speed between two offices, and be able to schedule it to run at certain times of the day. I guess in its simplest form this is just a point to point copy, but I want to ...
0
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3answers
322 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 ...
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0answers
56 views

When CopyQueueLength is high, how do I control which server is the source?

When I have a DAG with copies spread all over the world, and the initial seeding is already complete, how does Exchange control which server is used to fulfill the outstanding CopyQueueLength logs ...
0
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2answers
501 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
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1answer
671 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 ...
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2answers
263 views

Does “ThirdPartyReplication” in an Exchange DAG reduce overall bandwidth requirements? [closed]

I have to re-seed several databases and am looking into opportunities to reduce my bandwidth requirements. When I issue the command get-DatabaseAvailabilityGroup there is a feature called "Third ...
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0answers
39 views

Local Lan design to support Multiple WAN

We have about 25~30 serial dedicated lease line or ADSL link using router to connect to different financial companies to do some transactions. SCurrently we have a very large L2 (/20) to host our ...
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2answers
283 views

Single Static Public IP FAILOVER to Other PUBLIC IP Address

We have a customer that has a windows server located behind a dual wan router that has two static IP addresses from each ISP. They have staff out in the field that have laptops with applications that ...
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1answer
123 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 ...
0
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1answer
91 views

How to bridge two lan but keeping their clients using/choosing their own wan?

this is my first question here so please bear with me if I haven't made it super clear So I have 2 piece of Cisco RV180W router hardware. The office is moderately big and one single Wifi router is ...
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4answers
4k views

DFS-R or WAFS for Syncing 1TB Files between remote sites

We have 1TB of files that we wish to keep in sync between three locations. This data consists of around 1.5 Million files which grows/changes at an average of 100MB/day. The first location is a ...