a device that connects to 2 or more networks and is capable of forwarding data packets into the direction of the ultimate destination based on information read from the packet and internal routing tables.

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14 views

Locked DNS settings on Netgear CG3700

I’m trying to use a specific DNS server with the Netgear CG3700EMR-1CMNDS modem/router. I was able to do so using this exact same hardware a few months ago, so it is possible that an update may have ...
0
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0answers
30 views

2 email server and one static ip

I need to manage two mailserver (postfix and dovecot on different machines) using a single public IP .I thought I solved by putting non-standard ports on the second postfix but I do not get mail from ...
1
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2answers
2k views

Smoothwall Express interface issues

I have a SmoothWall Express box that is currently configured with a Green and Purple interface. Both interfaces are in the same /24 subnet (which seems odd to me). The green interface (address of ...
3
votes
2answers
980 views

Cannot ping outside Fa4 on cisco 871w Router

After starting fresh after a write erase and a reload on a cisco 871w. I cannot ping outside of the wan (fa4). I gave vlan1 (default) an ip because apparently the built in "4 port switch" is a layer ...
7
votes
7answers
15k views

What's the difference between a gateway and a router?

Here we can see the router is 67.23.27.187(first hop), but the gateway is 67.23.27.1. What's the difference between a gateway and a router? How does my computer know the IP of the router when only the ...
0
votes
1answer
29 views

Update Cisco 3750 for BGP

I have a Cisco 3750 switch that I use at my data center w/ a failover switch as well. Currently getting a blended bandwidth from the data center instead of BGP. From time to time I'll have them update ...
1
vote
2answers
42 views

NOIP Static IP address resetting with router [on hold]

I need a static IP address to access a client's website, which has a list of whitelisted IPs but rejects all others. This is great, except I have a Dynamic IP address and a Talk Talk router. I ...
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votes
1answer
31 views

How would I access a Cisco router for configuration/management over the public internet

I want to connect a cisco router (2950 series) to my normal broadband router supplied by my ISP. I want to test whether I can access the router over the public internet for configuration/management. I ...
-1
votes
1answer
25 views

Tomcat server port access

I have changed the tomcat default port to 8091 (eg. http://localhost:8091/project) which has been set up in intranet server and is working very fine within the network.I have to provide access to the ...
1
vote
1answer
557 views

Creating a multi-wan/isp failover router where wan IPs are dynamic on Debian

I'm having an incredibly hard time creating a basic router on Debian which has connections to two ISPs where the ip addresses are dynamic. I don't need bonding, I really just need some way to detect ...
2
votes
1answer
3k views

Watchguard config, drop-in or mixed-routing mode?

I have a Watchguard XTM 2 that is currently acting as a firewall and a router for my business network, I currently have the WG setup in mixed-routing mode and am happy with the current configuration. ...
0
votes
4answers
85 views

CISCO Home Lab Router not NATing [on hold]

I hope someone can help me. I have a AT&T 2wire gateway with a cisco router attached to port 3 of the AT&T 2 wire. I'm using the CISCO as a separate network and lab. Below is sketch of my ...
1
vote
1answer
56 views

Packets being routed to the wrong IP

Looked around, can't find a similar issue anywhere... I have been having some very strange and hard to explain problems on my network lately, and in my efforts to find the cause, I came across an ...
0
votes
3answers
74 views

Can I use a router as a backup DHCP if the DC's are offline?

Server 2012 R2, Cisco RV082 This is for a very small network system where the DC's have to be shutdown periodically for a day or so. 2 DC's exist & are also acting as DHCP servers. It's a ...
0
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0answers
11 views

Cisco 3900 Series router not booting

This started after trying to enter password recovery mode and rebooting. It rebooted the one time and started to load the ios but had some sort of TraceBack/Exception on the screen. I reset the power ...
0
votes
0answers
14 views

Zentyal VPN site site : no ping

I try to finalize a Site to Site VPN Zentyal Here are my two networks: Site A: LAN users: 10.0.0.0/32 Zentyal server: 10.0.0.254 VPN server IP: 192.168.160.1 Customer VPN IP: 192 168 161 .3 ...
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votes
0answers
14 views

Traffic forwarding [migrated]

I have a question about routers. Here is my goal, I want to monitor the traffic of my home connection while being abroad. One way of doing so would by by forwarding the router's traffic to an online ...
2
votes
0answers
20 views

IP Forwarding Configurations [closed]

I am testing ip forwarding to recieve external connections from my computer at home. I did the following from my router settings: Turned off firewall of router and fedora, done forwarding settings, ...
1
vote
1answer
926 views

LAN->LAN IP translation (for TortoiseSVN + Artifacts + Buffalo router)

Here's my scenario: I've got a VisualSVN server on my main dev box @ home. I'm also using Visual Studio 2010, TortoiseSVN, VisualSVN client (for source control), and Versioned 'Artifacts' (for bug ...
0
votes
1answer
26 views

No internet access when toggling `redirect-gateway` in OpenVPN client config

I have a router with IP 192.168.1.1 subnetting 192.168.1.0/24. On that subnet, a Synology NAS has an IP of 192.168.1.181 and is running a VPN server using subnet 192.168.2.0/24. When I connect a ...
0
votes
2answers
7k views

How do I configure iptables in DD-WRT to block Skype on br1 only?

Using DD-WRT on a Linksys router, I've got a private network set up as br0 and a guest network set up as br1. I want to block access to Skype on only the guest network, and the easiest way I've seen ...
11
votes
4answers
18k views

Any reason not to enable DoS Defense in my router?

I recently found a DoS Defense setting in my DrayTek Vigor 2830 router, which is disabled as default. I'm running a very small server on this network and I take it very serious to have the server up ...
0
votes
1answer
52 views

Setting up two WiFi networks (one public, one private) with two routers

I would like to isolate my private WiFi network from my business's public WiFi network using two routers (so that no one on the public network can access the devices on the private network). I ...
4
votes
3answers
724 views

Blocking facebook on company network

Our ISP forced us to use their router that doesn't have any option to block certain URL/IP like our 3Com OfficeConnect router has. Is there any other easy way to implement this without an intelligent ...
0
votes
1answer
26 views

Two-way routing for router and openvpn server subnets

I have a router with IP 192.168.1.1 subnetting 192.168.1.0/24. On that subnet, a synology nas has an IP of 192.168.1.181 and is running a VPN server using subnet 192.168.2.0/24. When I connect a ...
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votes
1answer
10 views

Two network routing with CISCO 878

My company uses the 192.168.10.0/24 subnet and 192.168.10.235 is for all intents and purposes the gateway to the Internet. We have an extra VDSL line with a "home-style" modem/router that we want to ...
0
votes
4answers
36k views

Help me understand the 'ip route' command for cisco routers

I just can't wrap my head around it. For example: I want the left-most router to be able to ping my computers on the left and vice-versa. Where would I set up ip route and to what address. I ...
0
votes
3answers
281 views

My Domain returns the routers default page (hosted on server in the same network)

Hello I have setup an Apache/PHP/MySQL on CentOS 5.5 with and have installed WebMin on it. I would like to take my server online. And try to host multiple sites on it for my research. My current ...
1
vote
2answers
28 views

connect to server in seperated lan (using openwrt)

I am using openwrt with the following setup: --------------- | |--- LAN1 192.168.1.1/24 WAN 194.X.X.X ---| openwrt-box | ...
0
votes
3answers
6k views

Script SSH to router and “enable” and run commands

I have a script that will ssh to a list of routers and run commands from commands.txt. I want to enable after I connect to the router through ssh before I execute the rest of my commands in ...
0
votes
2answers
1k views

Unable to access different subnet

Router ip: 192.168.3.1 Windows server: 192.168.3.50 (WLan) and 192.168.2.1 (LAN) PCs: 192.168.2.x I am able to access 192.168.3.50 from laptop (in 3.x network) but unable to access through other ...
1
vote
1answer
3k views

cisco ip nat / port forwarding

I have been trying to get port forwarding working with a newly installed cisco router. I cannot seem to find where my fault is and have been looking for quite a while. The relevant section of my ...
0
votes
1answer
60 views

Cisco 2621XM Configuration with Comcast Business Modem

I have a Cisco 2620xm router that I have ran into trouble getting it to connect to a comcast modem/gateway for internet service. The router and modem used by Comcast is a DPC3... The interfaces on the ...
0
votes
0answers
33 views

Dnsmasq , redirect all but google.com

My router uses dnsmasq. In my dnsmasq.conf, I write: address=/#/127.0.0.1 in order to resolv any domain to my local server. It works. Now I'd like to make possible to join www.google.com. Any other ...
0
votes
0answers
48 views

Access Modem interface through WAN ports

I have multi WAN load balancer "Peplink Balance 310" router: Subnet: 192.168.0.0/24 Router IP: 192.168.0.1 LAN Configuration: http://screencast.com/t/RnXy2hBxurnN It connects to two DSL ...
0
votes
1answer
35 views

Saving SonicWALL NAT Policies settings

I have a SonicWALL TZ model that I manage. Now in the [Network] --> [NAT Policies] there are some policies added that have their own checkbox in the [Enabled] column (the other ones have a green ...
1
vote
0answers
38 views

How to connect server to network? [closed]

Do I connect server to 1 of the 4 ports available on combo modem/router/wifi or on 1 of the switch ports? Reason I ask, if power etc goes down on just the switch, server is still connected. I would ...
0
votes
1answer
18 views

C891FW-E-K9 Memory upgrade

I have a C891FW-E-K9 ISR with ios c800-universalk9-mz.SPA.154-3.M-2. From what I can gather, the memory requirements for that image is 512MB but from "show version" my router seems to only have 384MB ...
0
votes
1answer
37 views

Opening a port to only one external ip address

I want my port 2255 on 192.168.1.101 to accept and send packets only from and to 74.22.22.22 What settings needs to be added on the windows firewall and my router?
0
votes
1answer
16 views

SonicWall configuration

I currently have a SonicWall and I'm attempting to connect it to my router or modem's LAN interface. This is for testing and will not be the network design in production. When I plug it in with the ...
6
votes
3answers
5k views

What do “Unknown SSAP” and “Unknown DSAP” mean in tcpdump?

While trying to fix a problem with intermittently losing internet connection on a machine with a wireless connection to a router, I ran tcpdump and noticed packets with "Unknown SSAP" and "Unknown ...
0
votes
2answers
53 views

Two of the same subnets on the same network. Possible?

I have a question for everyone that I am a little confused about. If you have a network. 192.168.1.254. I know you can put in a router as a gateway and get another network with 192.168.10.254. My ...
0
votes
3answers
2k views

T1 Line Proper Setup, Routers [closed]

I'm a webguy, not a server guy -- but I'm working in an office that just got a T1 line installed. It comes into the house via a glass covered box with Adtran logos on it with 4 ethernet sockets ...
-1
votes
1answer
47 views

Should I use a straight-through or cross-over for router to extender cabling?

I'm trying to conncect a router to a repeater (extender) should I use a straight-through or cross-over for the ethernet?
2
votes
1answer
1k views

Cisco 887w SDM Express Wizard freeze

I have a Cisco 877w router that I have reset. After trying a lot of different Java versions for the configuration applet (turns out the router uses a deprecated certificate that has been removed from ...
-1
votes
3answers
42 views

Manage/Limit Internet Bandwidth on Specific Wireless Network [closed]

I offer wireless internet to my tenant and the problem I have is we are constantly hitting the cap for the monthly internet usage. What I ideally would like to do is create 2 wireless networks: one ...
-1
votes
1answer
72 views

No Internet on router with pfSense [closed]

Sorry in advance if a similar question has already been posted. I am with Sky for broadband and have a router providing DSL connectivity. I have a cheap 64 bit desktop PC running pFsense as a ...
0
votes
0answers
23 views

Unable to use Radius server out of LAN

I want to set up WPA2 Enterprise for my TP-Link TL-WR886N router (official firmware). Tried to use an radius server in LAN and it is working. Since the power supply is not steady (I have UPS for the ...
1
vote
1answer
31 views

Does switching routers when using same IP cause temp downtime?

Still learning networking but from my understanding MAC Addresses are what route network traffic so if I switch out a router but configure them with the same IP does it take time for the new MAC ...
0
votes
0answers
59 views

DSL modem in bridge mode but router not accessible from the internet

I have a DLink ADSL modem which I have put into bridge mode and connected to a Fortigate 200A firewall. The Fortigate is able to connect through PPPoE and receives the static public IP. I can browse ...