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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0answers
151 views

Communicate between Voice and Data VLAN

I have a network of computers, on which I also have an Avaya IP Office phone system with several IP phones. Currently the IP phones are on their own IP subnet range, but I want to create a separate ...
-2
votes
1answer
848 views

Wireless router URL redirection [closed]

I'm trying to "filter" explicit URLs (+18/21) from network traffic and redirect to another website. I have physical access to router inside my home, computer and router local web-access, which let's ...
1
vote
1answer
138 views

One router and one modem+router. Can I pass a static IP range from one to the other?

I had been running a Huawei HG612 connected to a DD-WRT router for internet services using PPPoE as authentication. Due to an office move, I need to have a DG834 modem+router which will be used for ...
0
votes
0answers
38 views

Sending traps for FIB changes

I'm trying to enable sending traps for FIB changes, and I've been working on this for weeks. I finally found these commands, but my Cisco 2600 does not accept the "cef" command. Can anyone help me ...
-1
votes
1answer
47 views

vvg2000 netgear multiple ips [closed]

i'm connecting my office to the world with pppoe and netgear vvg2000 router. this days i plug a web server for lcal testing and i want my clients to be able to see files on this webserver. since i ...
0
votes
2answers
1k views

Comcast Business Gatway cg3000dcr kills VPN connections after about 3mb of transfer

I use an L2TP/IPSEC vpn client behind a CG3000DCR Comcast Business Gateway Router, and while it establishes a connection initially, after about 3mb of data transfer, it stalls out, doesn't do any more ...
0
votes
1answer
950 views

Can dd-wrt do a firmware autoupdate?

I need to get a new company router but am looking for a secure but low cost solution. My first idea was to get a 20€ TP-link router and flash it with DD-wrt, but the latest firmware is a year old and ...
0
votes
1answer
103 views

USB hub or wirless router for synchronizing up to 50 tablets in charging cart

We are building a cart to secure and charge up to 50 Nexus 7 tablets. The tablets need to synchronize databases nightly. Range will not be an issue as the tablets will all be within about 5' of the ...
1
vote
2answers
583 views

Why does these iptables rules does not work

I think a bit more detail is needed. I have opened a new cafe in my area and people are downloading stuff that are increasing my bills, so I want to block protocols on my router and then re enable it ...
1
vote
2answers
139 views

Restrict access to service to WiFi users

I would like to restrict access to a cloud service based on the network where the requests are coming from. I have control over both the network, and the cloud service receiving requests from within ...
0
votes
1answer
741 views

how to whitelist or deny “enable” mode IP address to cisco 3750 switch

I have a Cisco 3750 switch and I want to modify the allow/deny IP addresses that can access it in ssh and "enable" mode. Not sure how, and googling is nearly impossible to get this info it seems.
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0answers
56 views

Is there a simple command to delete multiple ip sla policies?

I have a Cisco 819 router and on it there are a lot of ip sla policies. when I run the sh runcommand I get the following; ip sla auto discovery ip sla 2 http get http://www.facebook.com cache ...
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0answers
125 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 ...
0
votes
1answer
57 views

Connect Multiple Networks Wirelessly [closed]

I have a home network using a router to connect computers both wirelessly and with network cables. I also have another separate network about 10m away from my home network that is networked via ...
0
votes
1answer
89 views

Connecting two routers via serial

I'm new to Cisco and I wanted to connect two routers with serial connection. This is how my network looks now: Maybe I connected them wrong because when I try to ping from PC0 to either PC2 or PC3 ...
0
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0answers
206 views

Cisco 861 - Unable to traceroute

I'm having an issue with my Cisco 861. I'm unable to traceroute to any ip address from the router, even the next hop. Can anyone suggest possible causes. Apologies for the censoring but I won't take ...
0
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0answers
147 views

Ubuntu server router - only 50% of upload bandwidth

I've changed my internet connection to 400 mbps download and 400 mbps upload. Real speeds when computer connected directly to optical modem: 421/412 mbps for download/upload. My network structure is: ...
0
votes
3answers
49 views

s/m business wifi access [closed]

At the moment my company is aiming to split offices. We are in a business park and remaining in the same building, this is only temporary, but several of us are moving into a smaller office about ...
-1
votes
1answer
154 views

Blacklist and whitelist of domains on Debian Linux router

I have to create blacklist and whitelist in small office for two groups of employees. I divided the users into two group: First group has block all webpages except about 80 domains which i want to ...
-1
votes
1answer
40 views

Router connect same 2 ports? [closed]

What it will happen if 'accidentally' i will connect 2 ports with the same utp cable? I'm asking here since i don't find anyware such a stupid and silly question but i'm curios about it, the router ...
1
vote
0answers
66 views

How to set the router address in OSX Server VPN

I am able to connect to OSX Server (10.9.2) through a (L2TP) VPN tunnel. However, any other computers in my subnet can not be accessed. On the client (OSX 10.9.2), the router's IP address is being ...
0
votes
2answers
1k views

Physical Interface VS Multipoint Subinterface in Cisco Frame Relay

I am new in learning about Cisco Frame Relay. And I am having trouble in understanding the difference between using physical interface or multipoint subinterface, because it looks the same to me. ...
1
vote
0answers
238 views

Exclude an IP address from an openwrt firewall rule

I am using a wrt54gl with openwrt to try and redirect all traffic on my LAN to a specific server, which will run scapy and other network analysis tools and act as a gateway/firewall to the Internet. ...
0
votes
1answer
183 views

access same subnet on different interfaces

I have a router with external (WAN connection) subnet 192.168.1.0/24 and also on same router a tunnel to a remote location which have the exact same subnet (192.168.1.0/24), and i need from my LAN to ...
-4
votes
1answer
50 views

Single machine server with many operating systems [closed]

Could possibly with single one high end Server with supported Virtualization We can have: - DHCP Server (Virtual Machine 1), - Firewall (Virtual Machine 2), - Squid proxy (Virtual Machine 3) - ...
0
votes
2answers
264 views

Configuring DNS with router and BIND

Goal I am trying to setup a local DNS server here in our office. Problem Apparently Comcast has a loop-back so when we configured the domain to go to our IP it works outside of the office but ...
-2
votes
3answers
217 views

One subnet, two external IPs

we got 2 external IPs from our ISP and I'm trying to put them to use. I had to connect the entire network We also have 2 server that host a lot of diffrent stuff (some of it on the same ports) and I'd ...
-1
votes
1answer
132 views

Back-to-back router configuration [closed]

I have inherited a network where there are 2 routers supposedly configured back-to-back. They are both on the same subnet and only one serves DHCP. There is the possibility that they are not ...
1
vote
3answers
2k views

How to block external access to the DNS service running on a Cisco router?

I have a Cisco (877) router acting as the main gateway for a network; it has a DSL connection and performs NAT from the internal network to its external, public IP address. The router allows SSH ...
0
votes
1answer
81 views

Port Forwarding From Second Router

I have the following setup at work, of which I'm impromptu in charge of: Internet(Modem) <-> Smoothwall (firewall/dhcp/nat) <-> Servers/PCs I need to be able to add a second broadband line in, ...
0
votes
1answer
77 views

what would happen when macchanger to gateway mac address? [closed]

I thought arpspoof GATEWAY_IP -t VICTIM_IP can be prevented by add a static arp entry on victim side, i.e. arp -s GATEWAY_IP GATEWAY_MAC I read ...
0
votes
1answer
77 views

DHCP wont release allocated IPs [closed]

I have a TP-Link td28151 router and I am using DHCP. I need to connect 40 devices to my router by Ethernet. I have set the count of my clients to 100, and my subnet mask is 255.255.255.0. I have ...
0
votes
1answer
1k views

Configuring a route table to route only one (or range of ip) via a VPN connection

This is my home network configuration: Devices/Pc/Smartphone ---> DD-WRT Router ---> Internet Router ---> Internet/World DD WRT router ip: 192.168.1.1 (default gw is 192.168.1.254) Internet ...
0
votes
5answers
177 views

Giving an IP address outside the network to the router to safely make it a switch?

In our office, all machines use IP address 192.168.0.x with subnet mask 255.255.255.0, the network setup is as below: We only had routerA before. But since its wireless signal is too weak (much ...
10
votes
2answers
635 views

How to safely install a new IOS image on a Cisco device when the installed flash memory size isn't enough for two of them?

Today I was updating IOS on a Cisco 877 router, and a problem came up: the installed flash memory wasn't enough to hold both the old and the new IOS images, so the new one couldn't be uploaded unless ...
0
votes
1answer
47 views

Command “ip rule show” not showing anything

I try to list all routing rules, and as far as I know this should be accomplished with the "ip rule show" command. In my case there is nothing returned (really nothing at all). Why? Could it have to ...
2
votes
3answers
486 views

Can I run a single DHCP Server for all branches of an MPLS?

We have a two-location MPLS. I am told by the ISP that I can have a single DHCP server to service both branches. But I don't understand this. Consider this: Location1 (Host branch with the DHCP ...
1
vote
0answers
26 views

Static routing doesn't route correctly

I have Router 1 and Router 2. For R1 I have 1.1.1.1 with /24 mask, for R2 I have 1.1.2.1 with /24 mask. R2 is connected to R1 interface with 1.1.1.2 address. Following image shows my topology ...
0
votes
1answer
2k views

How to get 192.168.3.2 to successfully ping 192.168.2.3

With the layout described below, the following is true: either router can ping any host on either subnet 192.168.2.0/25 hosts can ping (and ssh to) 192.168.3.0/24 hosts but 192.168.3.0/24 hosts ...
1
vote
2answers
421 views

Cisco router or ASA [closed]

Can you tell me what is the difference between having both a Cisco router and ASA appliance in a network and having only the ASA? I remember that my ISP had set a router in front of our network and ...
3
votes
3answers
133 views

Show code for specific block in cisco IOS conf mode?

I work with Fortigate gear a lot and in the CLI it's possible to navigate to a node (say config system global then type in show and it will show me the configuration from that block. In IOS I can't ...
5
votes
3answers
1k views

Can internet gateways be plugged straight into a layer 2 switch?

tl;dr Internet gateways (eg., cable modems, fiber optic gateways) don't function properly when they aren't behind a device with "layer 3" or routing capabilities, correct? Incredibly long backstory ...
0
votes
1answer
142 views

Keep router interfaces isolated

Have a Cisco Router 2811 with a HWIC that gives it an extra port so I have 3 Ethernet ports. Have it configured like this: FA0/0- 192.168.1.1 FA0/1- 192.168.10.1 FA1/0- 10.0.0.1 (outside) All that ...
1
vote
1answer
2k views

Shouldn't we exclude a static IP from the DHCP pool?

In my office, I have a printer with static IP 192.168.0.254/24. Normally, it should be excluded from the DHCP pool in the router. So I just set the DHCP pool to be in the range of 192.168.0.2/24 - ...
1
vote
1answer
50 views

VLAN, possible to do this?

I have a Cisco RV110W small buisiness router. Here is a demo of what the administration interface/options: https://www.cisco.com/web/sbtg/gui_mockups/RV110W/default.asp.htm I have 3 devices connected ...
1
vote
1answer
248 views

Automatically ask router for port redirection on ubuntu

Is there a way to use uPnp or something to automatically ask a router/firewall to redirect data coming from outside to a machine running ubuntu? Here's the deal, I'm supposed to prepare a certain ...
-3
votes
1answer
297 views

how publish multi web site with Same port 80 in multi inside web server with cisco router?

I have a problem in publish Multi web Site in multi web server with a single Public IP and all of these Web Sites use Same default port of 80 but have different URL address . I want publish all of ...
0
votes
1answer
83 views

Can a home router separate private network? [closed]

I've just come across this network diagram: http://computer.howstuffworks.com/router1.htm And I am thinking if it can be done with a typical home router. Normally for home router, when we plug a ...
0
votes
0answers
23 views

Getting data to correct computer [duplicate]

So I have taken some networking classes and there is still something that I do not understand thoroughly. How does google (or any external web server of any kind) get data back to the right computer? ...
0
votes
2answers
315 views

What ISP needs to provide in order to route native IPv6 /56 range to several VLANs

I have a theoretical question. Network topology is like this: ISP <--- eth0 -> Router1 <- eth1 ----+--> VLAN1 '--> VLANx For the sake of ...