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
24 views

How does a router performs switching? [on hold]

I have read that a router can routing as well as switching. I know how routing is done...can someone guide me how a router does switching. Thanks and Regards,
0
votes
1answer
23 views

Connect access switches to router or core switch

My workplace consists of 4 access unmanaged network switches from three different computer rooms connected to a router. The router contains three 100mbps ethernet ports and one Gigabit (GigE) port. ...
0
votes
1answer
18 views

Router/Firewall Hardware Failure Testing

My company has a Sonicwall Pro 3060 Enhanced that has been in service 24/7 for about 10 years since it was originally purchased. Lately the box has seemed to have hiccups in passing traffic (although ...
-1
votes
0answers
12 views

DHCP router and static address to one client

Odd situation here that I have not handled before. I have a DHCP router that gets an external address of 10.x.y.z (IP address space 1). I have four clients to this router (which issues class C ...
2
votes
2answers
1k views

Linux machine does not answer an ARP request

We have this situation: A router, which is an Ubuntu VM, has multiple VLAN interfaces on the same physical NIC. Those VLAN interfaces are dynamically configured and torn down and attached to networks ...
29
votes
4answers
2k views

Our wi-fi at work is ridiculously slow, will adding more range extenders improve it?

At work, we have two wireless networks (e.g., Work1 Work2); the Work2 is used downstairs and Work1 is used upstairs. However, both are notoriously slow. The connection is better when we are wired in, ...
0
votes
0answers
5 views

double router configuration for fxs

I have a very cheap router provided by the ISP, which crashes now and then because there are too many devices attached to the wifi. I want to buy a good adsl+router supporting the AC frequencies, but ...
0
votes
2answers
50 views

Bandwidth usage per host on Vyatta/EdgeOS router

I have an EdgeRouter PoE router which runs EdgeOS (Vyatta based). I'd like to monitor bandwidth usage by host. My goal is to get a list of total downloads/uploads by host. It's not important to me ...
0
votes
1answer
1k views

openwrt dmz nat loopback not working

I would like to have my "dmz"-connected visitors to be able to access services by their global DNS IP (wan) that are redirected to another zone, let's say "lan". openwrt wan - 12.23.34.45 client is ...
0
votes
0answers
51 views

Creating router between two subnets

I have created router between two subnets and installed centos on router. Below are the configuration in my router : eth0 : public ip (x.x.x.x) eth1 : internal network gateway1 (150.15.1.1) eth2 : ...
0
votes
0answers
441 views

Need advice on Juniper OSPF networking

I have been thrown in to this project because of a coworker's termination. I have a set of Juniper SRX 550 Routers. I need to create an OSPF network that passes all traffic (All subnets) as if it ...
0
votes
2answers
1k views

220 **** smtp banner while telnet mail server on a Windows XP , hmail server linksys WRT120 n router

we have setup server ,mail server using HMail server and oyr RDNS / PTr is also solved but when do smtp test from mxtoolbox.com we are getting 220 *** kind of message. our server configuration : ...
1
vote
3answers
973 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
0answers
46 views

Randomly lose the connection to router

I have been suffering with in this problem for a really long time and I'm running out of ideas. We have VMWare (Intel model server, Intel storage - Windows storage op. system, ). In the virtual ...
0
votes
1answer
39 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 ...
0
votes
0answers
7 views

SRP521W Intervlan routing and NAT

I've a Cisco SRP521W router which I've set up with two VLANs called normal_Lan and SWSVLAN. I don't want devices on each VLAN to communicate with each other so I've turned INTERVLAN Routing OFF. ...
-4
votes
1answer
21 views

A router to capture URL/ Protocol Requests against Device MAC [closed]

I have designed a nice new public WiFi portal to work with ubiquity controller software. As part of the law in the UK I need to retain 12 months data on traffic specific to device MAC address'. Can ...
0
votes
0answers
3 views

Can't ping IP in LAN [migrated]

I'm using wifi router and I am not able to ping one laptop (A) from other laptop's in the same network. So basically I can ping from from A to B but not from B to A. A is using Windows and has Ubuntu ...
1
vote
2answers
1k 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 ...
0
votes
2answers
39 views

External ip address being treated as local (ARP asking for external IP's address)

I am using a virtual machine with OpenWRT for routing, on a Linux machine (Slackware). I am trying to configure a host only interface (eth0) as the wan interface. eth1 is Ethernet attached as a bridge ...
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votes
0answers
17 views

Automatic open browser when connecting to wifi spot [duplicate]

I have a webserver which is connected to my dd-wrt router with a wire. I want to accomplish a "hotspot" like feature where wifi clients get redirected to a "accept the terms" page. I want to redirect ...
-1
votes
1answer
18 views

high cpu usage on 2811 router

there is high cpu usage and high intterupt rate on 2811 router while there is low rate traffic about 10 Mbit. How can i fix this problem. output of sh processes cpu sorted 5sec | exc 0.00 command that ...
0
votes
0answers
6 views

Can't reach device through multiple routers [migrated]

I have the following construct:        (WEB)             |     Router(Fritz Box)      192.168.178.1           /              \   Router           PC 192.168.178.34   (Asus WLan)   192.168.1.1        ...
2
votes
3answers
2k views

Does an Alcatel 7750 emulator/simulator exist?

My company recently deployed several Alcatel-based networks (7750SR) for ethernet and IP transport, and me and my team will have to support a part of it. We're quite used to troubleshoot on Cisco ...
1
vote
1answer
827 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
0answers
33 views

Cisco 887 router as an IKEv2 VPN server?

A follow up to this question. The scenario is exactly the same, but I replaced my 877 router with a 887VA running IOS 15.4. The VPN server configuration works exactly like before, and I can ...
0
votes
1answer
45 views

Port forwarding with 2 interfaces not working

I'm running debian and I've got the following network configuration: eth0 Link encap:Ethernet inet addr:192.168.16.6 Bcast:192.168.16.255 Mask:255.255.255.0 inet6 addr: ...
0
votes
3answers
828 views

Cisco 881 throughput/bandwidth issue

We have a dedicated 30Mb connection (up/down) from our ISP, but we can only seem to get 10Mb (up/down) from the router. Does anyone know what we're missing, or how we can tweak the settings on this ...
0
votes
0answers
12 views

IPv6 several prefix advertisement Global and Local

How to advertise 2 prefixes by router advertisement in BSD for example: One for Local IPv6, and one for Global I need both addresses on my clients simultaneously.
3
votes
2answers
800 views

Routing using Linux with 2 NIC cards

Configured Clear OS to be in Gateway mode on a machine with two NIC cards. eth0:192.168.2.0/24 with ip 192.168.2.27 which is connected to a modem and thus have internet connectivity. ...
0
votes
2answers
966 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 ...
2
votes
1answer
2k 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
0answers
22 views

Remotly syncing NAS behind routers I don't have access to

We have several NAS (WD My Could Mirror) that travels to multiple cities and are fed locally with images, audio, video, etc. This content needs to be synced to our main office. I am trying to use ...
2
votes
1answer
2k views

Routing between two routers with static routes

I have a Draytek 3200 router and a pfsense rackmount router that I am trying to get to route to each other. I have a subnet on each router and a subnet for the link between, as shown here: As it ...
0
votes
0answers
53 views

Linksys WRT120N as a Wireless Acess Point

I have a Cisco EPC3925 as main modem/router in one side of the office. The office has a long shape, and some of the computers in the other side can't reach the EPC3925 signal. So I want to use an ...
0
votes
0answers
2 views

Cannot access LAN resources when connected via wireless [migrated]

My ISP provided a BEC 7800 TN R2 router with wireless capability for my home. I have a Windows desktop computer connected via Ethernet cable to the router. I have no problems with my desktop computer. ...
0
votes
0answers
35 views

squid3 wccp2 setting up gre tunnel from squid proxy to router

I am trying to setup a gre tunnel between a squid 3.1 proxy on linux debian, and a cisco router. I want to have web requests to port 80 to pass through the proxy first. I have created a gre tunnel ...
0
votes
0answers
5 views

Sporadic packet loss through RT-N65U router with cable Internet [migrated]

My setup looks like this: TM902S (EuroDOCSIS 3.0 cable modem) <-> RT-N65U router <-> several computers in LAN The router is running this firmware with a custom traffic shaping script. The ...
3
votes
3answers
11k views

how to get interface traffic snmp information for routers ( cisco, zte, huawei …)?

I have cisco, zte, huawei routers..How can i get the traffic information of every interfaces of these routers. I donot have mib file of zte and huawei. So, i want a generic mib file which can monitor ...
1
vote
4answers
169 views

Hardware Solution to connect to multiple ISPs for one WAN

I'm looking for a piece of hardware to connect to different types of ISPs, normal DSL, cable DSL and USB egde sturfstick to offer one Internet connection with a higher cumulated bandwidth. I'm pretty ...
0
votes
2answers
118 views

RV042. Public IP on LAN port. Is it possible?

I have a RV042 router with a public static IP (XXX.XXX.XXX.42) and 4 LAN ports assigned to net 192.168.1.0/24. Can I connect a host to one of the LAN ports and assign it a public static IP ...
-4
votes
3answers
4k views

Blocking WhatsApp and other IM traffic

In my office, I have set up a linux machine as router and provide internet connectivity to all clients. Behind this linux router I have set up a cisco wireless router, with which I have made internet ...
0
votes
1answer
80 views

Linux router: ping responses going through the wrong interface

I have a Debian server acting as a router for a small network. It has 3 network interfaces, one LAN and 2 WANs (two different ISPs, let's call them A and B, each of them with a public static IP ...
3
votes
6answers
1k views

Are there any security benefits to having a dedicated firewall?

Are there any security benefits to having a dedicated firewall rather than having a firewall established on a router? Thanks.
2
votes
2answers
5k views

Locked out of our Comcast Business Gateway for seemingly no reason

A little backstory... Last fall we migrated our ISP from AT&T to Comcast at one of our offices. At that time, we received a new modem/router from Comcast and we configured everything to our ...
5
votes
1answer
492 views

Internet routing table breaks 512,000 routes [closed]

Looks like with all the mass IP grabs as well as subletting of space, things have finally hit the 512K mark. Anyone on the raw end of an upstream router that ran out of route space? How do most ...
1
vote
2answers
367 views

How to configure a network router to forward (rebroadcast) wcf discovery

I can't perform wcf discovery through a network router. I have a client and server app. When deploying these two apps to any two computers on the same lan it works perfectly. The client app finds ...
0
votes
2answers
1k 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 ...
0
votes
0answers
52 views

ubuntu router configuration problems

My network is configured as follows: ISP Modem <-> Ubuntu (192.168.2.1) <-> Switch (192.168.1.1) <-> devices My device (192.168.1.150) can ping 192.168.2.1 but is unable to ping outside ...
-2
votes
1answer
59 views

Linux router share internet between eth2 to eth3 [closed]

I am not a networking guy, so apologies in advance. I have a small Linux (Ubuntu) box with 2 ethernet ports. eth2 is connected to a cable modem that gives it a 192.168.1.x address + internet ...