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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4 views

Designing application to monitor remote data over VPN

Let me preface this by saying that I'm not a networking or sys admin guy. I am outside my element on this project, so any advice, suggestions, or critiquing is much appreciated. I want to collect ...
0
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1answer
20 views

Forward port to address

I am trying to figure out how to map a specific address on a port on a different address. This might be very trivial, but I am not even sure how to ask Google. I have one machine running two servers: ...
2
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1answer
47 views

A local IP address (RFC 1918) on my network that is not … local

I've noticed an IP address today on my network (192.168.15.1) which when visited actually goes to a page that has a router webconfig page (Not my router) The puzzling thing is that i tried traceroute ...
-4
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0answers
16 views

Internet Usage Monitoring [on hold]

I have a WiFi enabled ADSL Modem/Router (ASUS DSL-N10) connected to some devices (PC, Mobile, ...). It's connected to internet via Cable or WiFi through this Modem. I need to monitor traffic used by ...
2
votes
1answer
14 views

RRAS Server 2012 R2 Not Assigning Network Info or if it does not passing NAT

I wouldn't bother with this for any other reason than the fact that the speeds I get are worth it. Cable Modem (Bridge mode) - Server 2012 R2 (RRAS) - Linksys EA2700 (Bridged as Switch) My issue is ...
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0answers
4 views

Implement QoS on home network (maybe using a Synology NAS) [migrated]

My home router (Technicolor TG784n v3, firmware version 8.G.M.1) has no Quality of Service (QoS) settings. Still, I would like to implement QoS, mainly to be able to control bandwidth occupancy by ...
0
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0answers
8 views

How to connect to my other home network? [migrated]

I have an ADSL modem from my ISP. I have another Tenda router that is connected to the ADSL modem via twisted pair cable. I connect to the internet using Wifi from the Tenda router. The ip address of ...
0
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0answers
13 views

How can I tell if a cisco router is dropping pings due to DOS suspicion or if it's experiencing packet loss?

We use a PRTG server that's connected to a cisco 6500, which feeds a large network of about 1200 switches and radios in a router-on-a-stick topology. In PRTG I'm able to set a 'ping burst' sensor on a ...
0
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0answers
10 views

Need to replace a Cisco 871 [on hold]

I have a Cisco 871 that does everything I need, but it doesn't have gigabit ports. Can someone recommend a replacement router with gigabit ports that is as close as possible so I can reuse my ...
0
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0answers
26 views

RADIUS server is not responding. How does it work, and how can I bypass? [closed]

First, let me set the stage here. I am in a short-term apartment rental in a building that offers wifi access (through a provider) for $30/month. This service operates a lot like a hotel wifi ...
0
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0answers
11 views

OpenVZ container(s) and NAT

I have been trying to days to solve my NAT issue with OpenVZ. I have used their guide on their website/wiki, however I just seem to be unable to get it to work. My Linux box is running on CentOS 6 ...
0
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0answers
11 views

WiFi range extender drops connection after a day. Rebooting main router fixes it [migrated]

I have an issue which I can't seem to get to the bottom of. My main router works great, but to increase the range I recently added a WiFi range extender. The range extender was easy to set up, and ...
0
votes
1answer
35 views

multiple ips on same server

We have a server (a router) with 5 IP addresses (we are hosting different Websites). I'm wondering why the server was setup like that: -> eth1 is connected to the modem -> when the connection is ...
0
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0answers
14 views

Dumping specific tc class data

I'm using tc classes to manage the bandwidth for a couple of customers. Every Customer has got his own tc class on both interfaces of the router. # root Outgoing ${tc} qdisc add dev $EXTIF root ...
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2answers
25 views

How to Redirect URL Page to another URL

Good Day, When a user enters http://test.com on the browser I would like him redirected to my site published on our server. I already knew that I can change it in the hosts file of devices connected ...
3
votes
1answer
25 views

Router dies on wifi usage

We're having a Netgear WGR614v2 router, and as soon as a device generates some WiFi Traffic, the router completely dies. By opening http://9gag.com/ I can reproduce the problem. $ ping 192.168.0.1 ...
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0answers
8 views

Access my home network printer while I am using VPN to connect to work [migrated]

(If you feel that this question belongs rather to SuperUser, please let me know in the comments and I will move it there. I wasn't sure.) When I work from home, I am connected to the resources in my ...
1
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0answers
16 views

SQL Server Connection Issue with New Router But Works With Old Router

I have an issue that really has me stumped. I have a router that is overheating and needs to be upgraded. When I connect the new router and configure it with the same DHCP settings and IP ranges as ...
0
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0answers
39 views

Draytek Vigor 2860 multiple external IP-addresses

I've bought a DrayTek Vigor 2860 for my company network. And I'd like to use it for two VLANs with separated external IP's. I have 6 LAN ports on my DrayTek. For example: External IP-adres: ...
-6
votes
1answer
31 views

The Router Mac Address [closed]

Some sites can get the mac address of my network interface bu using cookies or java script ! but can they get my router mac address ?
0
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2answers
35 views

Is turning off ARP a common practice?

I'm just trying to diagnose a problem I and a colleague have had on two separate occasions to swap out an old router with a new one. Both starting from scratch, we've found that we can't seem to ...
0
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1answer
20 views

CentOS as a router — Can't get static IP adress for Internal Zone

I'm trying to make a router with a CentOS 7 box. enp2s2f0 ---> External Zone ---> directly connected to the internet. enp2s2f1 ---> Internal Zone ---> Connected to a PC (will be connected to a switch ...
1
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0answers
28 views

Gateway/Modem overload when running a web spider

Problem: All other devices on the network experience serious lag and timed out web pages, email, chat dropping, etc while this is running. This is a cross post from stackoverflow, I may have used the ...
5
votes
5answers
2k views

How does a router get its IP address assigned?

I understand how a device connecting to a router (e.g. 72.73.74.75) gets assigned a local IP address (e.g. 192.168.1.5) using DHCP. BUT, how does the router itself get the IP address assigned from ...
0
votes
1answer
64 views

ACL Rule to Open UDP Ports

I have the current rules in an attempt to open port 5060 and 10000-20000 for my VoIP provider. We are on a Cisco 1921 router. This ACL is applied to the WAN port on the router facing the ISP. Nmap ...
0
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1answer
39 views

Modem, Router, Switch configuration [closed]

I have two switches in different rooms, both wired to a router (LAN ports) which is in turn wired (WAN port) to a cable modem. I want to switch from cable to DSL for cost reasons, but keep the router ...
-3
votes
1answer
21 views

Simple to use VPN Firewall [closed]

In my company we use a Cisco ASA 5505 Router with the VPN, Firewall setup, and we route IP and VOIP traffic through it. I can only log into the router from a single computer due to the quirkiness of ...
0
votes
3answers
56 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
48 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
15 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 ...
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votes
2answers
23 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
37 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
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1answer
44 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
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2answers
98 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
132 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
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0answers
53 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
86 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
53 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
56 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
128 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
501 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
68 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
76 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
34 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
2answers
62 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
72 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 ...
0
votes
1answer
33 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
1answer
55 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
51 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
389 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: ...