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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0
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3answers
160 views

Server talks to one group but not other, both groups talk to each other

I've been trying to figure this out for a couple of days now and no luck so I thought I'd ask here. We have two buildings connected via a line of sight wireless network bridge. We have two routers, ...
-2
votes
1answer
136 views

how to connect 2 networks with different routers

I have a TP-Link TL-ER6120 VPN router and a Cisco RV-180 VPN router. I want to have 2 networks with two routers connecting each other. My network is the following: Internet -----> TL-ER6120 ...
0
votes
1answer
34 views

WRT160NL Linksys Cisco Wifi router

There is a WRT160NL Cisco Wifi router, and has to decrease the wifi range, so it cannot go outside of the office. I tried to find this settings on the admin page, but I have not found yet. Does ...
-3
votes
2answers
30 views

Routing a port with no defined port forwarding rules to multiple machines listening on that port [closed]

This is something I've been wondering for a long time but never actually faced a situation where I had time to play with it. Lets say I have a router which has no defined port forwarding rules for ...
0
votes
1answer
353 views

forwarding packet from one interface to another interface

I have an embeded system with 2 interfaces e0 and m0, whose ips are 10.0.0.20 and 192.168.0.20, respectively. Incoming packets into e0 have an ip of 10.0.0.10 and should be forwarded to m0 interface ...
1
vote
1answer
226 views

Is it safe to use PoE injector for routers that do not support PoE

We bought an Asus router n66U to be installed in a tourist bus along with a server. The bus has a inverter to supply a 220V AC. However, there can be abrupt power fluctuations specially during ...
1
vote
2answers
514 views

router: ping fails at specific time for 40 seconds

my network looks like this: ISP cable --- ISP modem/router (2 in 1) \ \--- my router --- wifi connection --- computer 1 \----------- cable connection ...
-1
votes
1answer
260 views

Setting up pfsense on a small business network for firewall use

I have approximately 20 machines that will all be on the same subnet with a pfsense firewall. I have no experience with pfsense, so I am just starting out. I have the following configuration: The ...
0
votes
0answers
294 views

Port Mirroring on Wireless router

I will be going on site to help hotel manager to identify who is using P2P (torrents) in hotel and abusing network usage for other guests. Easy option would be 1. Port Mirroring on wireless router ...
2
votes
2answers
388 views

nmap results to find open ports for SIP

I suspect that a firewall, or other security, on either the router, or on tleilax or doge is causing a problem with SIP calls. How do I establish that the connection is allowed and not being blocked? ...
0
votes
1answer
302 views

iptables - Redirect except list MAC Address

I'm using iptables on my router to redirect all web traffic to my page. But i don't know how to except my mac address list. I did command like this iptables -t nat -A PREROUTING -m mac ! ...
0
votes
1answer
192 views

How to connect to external server using router from VLAN's

I am newbie. I am trying to build network system in Packet Tracer. Now I have such network layout. I have different VLAN's Accounting and Sales. I have configured this using subinterface in ...
1
vote
1answer
528 views

Why does a router ping failure respond using a different IP?

From Windows CMD, when trying to ping another computer on our internal LAN, the IP obviously fails to respond. However the reply of "Destination host unreachable." comes from yet a different IP, and ...
4
votes
4answers
1k views

Is enabling https on a Cisco router a considerable security risk?

I would like to use Cisco's Network Assistant to manage my Cisco routers (I know there are other solutions for this, but for now I've decided to use CNA). It requires the HTTP or HTTPS service to be ...
-4
votes
2answers
125 views

Cisco 2801 - ACL example to prevent certain users in same subnet from accessing certain devices [closed]

May be a simple answer, but does anyone have an example of an ACL that would prevent certain users (preferably based on MAC address, so that I can not have to deal with static DHCP addressing) from ...
1
vote
1answer
323 views

(net)SNMP can GET but not SET

I am running OpenWRT (tried all 3 latest versions) in a TP-LINK WDR3600, with snmpd and snmp utils installed. I can get (although MIBs seem missing) but not set OIDs. SNMPGET root@OpenWrt:/# snmpget ...
0
votes
0answers
69 views

Redirect traffic through a computer to another connected to the same switch

I am trying to setup a single sender, single bottleneck and single receiver network. Network Image The router in the image is a computer that has ip_forwarding enabled. PC1 has the default gateway ...
-1
votes
1answer
641 views

Open port to only one external IP address

I am having trouble with unwanted traffic on a certain open port and want to lock the open port so it only allows incoming traffic from One single external IP address. I have had a Google and cant ...
0
votes
1answer
308 views

enable lacp mode active on isr 2951

Any idea if ISR 2951 support LACP ... i don't see any cli command to enable it. My router IOS version is 15.2(4)M7. Can you help please. below is my config: interface Port-channel1.1 description ...
1
vote
1answer
376 views

Set up a wifi network homepage just changing the router settings

I have a Netgear Aircard router with the usual configuration options (port forwarding, DMZ, port filters,...). I am using this network to provide wireless Internet access to the customers of my ...
0
votes
3answers
634 views

Is there a Cisco IOS command for finding out the serial number of a switch / router?

I am doing an inventory of all of our switches and I was wondering if there's a Cisco IOS command that will return the serial number for a switch and router? Thanks in advance!
-1
votes
3answers
85 views

Scale wireless network [closed]

I am setting a wireless network that will allow users to connect wirelessly to a file server for downloading file. Currently, I am using a Asus N66U router connected over a wired connection to a my ...
0
votes
2answers
2k views

Limit bandwidth in cisco router with policy-map doesn't work

I have a problem with my scenario in limiting bandwidth of ubuntu PC in GNS3 with class-map and policy-map. this is my topology in GNS3: ...
4
votes
2answers
281 views

ADSL router happily accepts IPv6 packets of 2K in size

As I understand IPv6 fragmentation, the routers do not perform fragmentation, only the end-to-end nodes do. And when any router along the path receives a packet larger than the MTU of the link to its ...
0
votes
2answers
161 views

Forward only internet traffic through VPN

The title probably needs some work, sorry in advance. My network is small and consists of a server with one NIC, a desktop computer and a few laptops. There's one wireless router (running OpenWrt) ...
0
votes
1answer
235 views

Router Static IP

We have a web app run by a set of servers that communicate with each other (to load balance requests, access database etc). On our internal network we have set up these servers to have static IP ...
1
vote
2answers
3k views

Any suggestions on why DNS is failing over DrayTek 2820?

In recent weeks a weird problem has started in my office. The internet seems to stop working, but it has not failed, it's just DNS problems. Setup: ADSL2+ AnnexM connection via a Draytek Vigor 2820 ...
-1
votes
1answer
147 views

Is it possible to mount these pieces of equipment vertically, together? [closed]

I have a Cisco 2811 and 2950 and a Dell PowerEdge R720 server. I have the 2811 and the 2950 in a wall mount that holds the two pieces of equipment vertically (the jacks are facing upwards). I'm ...
1
vote
1answer
102 views

Expose a machine on the far side of a VPN

We're using a VPN to connect a remote office to our main office, and a machine in the remote office needs to expose port 22 to the outside internet. Complications: The main office has a fixed IP ...
0
votes
1answer
251 views

Router accessible from Windows but not from Ubuntu on the same machine

I have a Linksys E900. I can access the internet and its admin page from Windows but not even its admin page from Ubuntu (on the same dual boot machine). Like there is no communication between the ...
0
votes
1answer
72 views

Routing - Access Lists

I am relatively new to learning networking I've been trying some stuff out about "Access Lists" but seem to be confused at some point. I am not able to deny a whole ip range from accessing another ...
1
vote
1answer
739 views

IGMP Router Mode VS Proxy Mode

I am trying to understand the difference between IGMP Router Mode and IGMP Proxy Mode here, http://technet.microsoft.com/en-us/library/cc957920.aspx There is a question for an exam I am studying that ...
6
votes
0answers
118 views

Configure Juniper M320 as Ethernet/STM transparent converter

There is Juniper M320. We need to move ALL the traffic from one port to another. Everything that comes to one port goes to another and vice versa. No snooping or any other processing is required. One ...
3
votes
1answer
600 views

OpenWRT - Manage Virtual LAN

I have an Ubiquiti AirRouter with OpenWRT on it and I've been trying to separate the manage of the ports. I've formated the router using CoovaChilli app, anyways the app just help to install OpenWRT ...
0
votes
0answers
160 views

static routes not working for me

I have three routers connected like this: Internet ------- (WAN) RouterA (LAN) ------(LAN) RouterB (WAN) ---- (VPN) ---- (WAN) RouterC RouterA: RV042G; LAN: 192.168.100.100 /24 static route for ...
2
votes
1answer
59 views

Are MAC ID passed via DHCP Relay

Do MAC ID pass through dhcp relay? Even if its connected on the WAN from the internet? So if the DHCP Server is on the WAN of the router and connected to a DHCP server on the internet is it passed?
28
votes
4answers
5k views

Is there a way to provide user-specific passwords for Wi-Fi?

Is there a way to provide user-specific passwords for Wi-Fi, so that different users have different passwords? I'd like to provide each user with a different password for my Wi-Fi connection.
2
votes
1answer
193 views

DHCP Relay behind two router

If i have a DHCP Server above two routers and a cleint computer below and the client computer is connected to a router with DHCP Relay, will dhcp pass through those two routers? Here is an example ...
1
vote
2answers
1k views

Draytek 2830, Multiple VLANS on Same Port

The Kit Ubiquiti Unifi Long Range Wireless Access Point Cisco SG200-08P Switch (VLAN, POE Support) Draytek 2830VN Router The Problem I need to enable Multiple VLANS against a single port on the ...
1
vote
0answers
308 views

Why don't TP-Link 24x-switches propagate clients when cascaded in two?

I'm behind two TP-Link switches those are cascaded behind a TP-Link router, which is in turn behind a consumer router that works as in modem only mode. Clients connected to the first switch work ...
0
votes
0answers
50 views

bind9 internal domain name

For our internal network we're using domain names like user.int. I've setup bind to resolve those to the appropriate IP addresses. Since .int is actual top-level domain name(although used for just a ...
0
votes
0answers
74 views

How can I troubleshoot my router NOT routing between LAN PCs?

I have a FiOS router, which has 3 PCs connected to it. One of the PCs used to run several servers/services; that I previously (using a different router from different ISP) successfully connected to ...
1
vote
1answer
788 views

OpenWRT router as a switch with DNS

We have a router (8 ports) that serves our church (it also is our modem with ADSL2 etc) and handles our DHCP services. I've needed to extend our network to accomodate another 2 ports, so an extra ...
0
votes
1answer
681 views

Connect two mikrotik LAN

I got two RB951G-2HnD and two RBSXTG-5HPnD-HGr2. (clientsOfLan1) ))> RB1 <---> SXT1 ))> <(( SXT2 <---> RB2 <(( (clientsOfLan2) I need to 'connect' two LAN's around 951. I can't ...
0
votes
0answers
162 views

Cisco 877 configuration with multiple firewalls behind in parallel using public IP's

I would like to ask how I can configure my cisco 877 adsl router to have multiple firewalls installed in parallel behind the cisco 877 router. I have enclosed a diagram of what I am trying to achieve. ...
-1
votes
1answer
52 views

Access 2 Hosts from Internet on same subnet [closed]

Hi I have 2 raspberry PI in my network. And I want both of them accessibles from the internet. Right now I have a DMZ from you can access one with NO-IP setup: www.blabla.no-ip.org ----->DMZ ...
-5
votes
1answer
209 views

How do I connect a router on one LAN port to another router on another LAN port on the same switch? [closed]

I have the following setup: For non-technical reasons, I am unable to change the physical setup of the devices. What I'd like to do is have router 2 (a wireless router) act as a wireless AP that ...
0
votes
1answer
153 views

openvpn server on router traffic visibility by ISP [closed]

Can my provider with DPI or another bad guys with SORM with access to all ISP transported traffic read my http packets send over openvpn server running on my router that use ISP connection for ...
1
vote
0answers
297 views

Forward single port between subnets on dd-wrt router

I have a DD-WRT router with two subnets, 192.168.0.0/24 and 192.168.8.0/24. The latter is used for a 'guest' WiFi network. Traffic between subnets is filtered using iptables. What I would like to ...
0
votes
1answer
151 views

What kind of router for trade shows or museum installation

Note: This is NOT a question for a specific router or brand of routers. It's a question about type of router or other equipment. What specs? That features will tell me if a router will work for this ...