Cisco WAN :: Configure 871W Router For Internet Connection?
May 5, 2013
I've just started styding for CCNA. Bought a router 871W recently and spent two days straight trying to configure internet connection with no luck! I use console port to do the configs and SDM/CCP. How to do simple internet connection configs. I googled everything but it's still confusing. I can't assing any IP to FA ports 0 - 3. I used VLAN instead. But all tutorials use FA0 and when I try to assign an IP to FA0 it gives me some L2 can't be assigned or something... :/ And I'm also confused what IP address should I use for WAN. I plugged the cable from Modem to PC's LAN port and wrote down some IP addresses which I think I'll have to use to configure the router for internet connection. And here they are:
ISP IP: 76.114.54.255
SUBNET: 255.255.248.0
GATEWAY: 76.114.48.1
DHCP: 69.252.97.4
DNS: 75.75.75.75
75.75.76.76
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May 12, 2013
I'm trying to configure WiFi on my Cisco 871w router withouth any knowledge in this area. And it's a tough one, couldn't do it just with google, hope this is the place where I can get it done right step by step if possible. Everything else works fine. I'm going to post my messy show run below. Everything I did on dot11Radio will need to be cleared I suppose.
Point38#show run
Building configuration...
Current configuration : 4072 bytes
!
! Last configuration change at 16:23:18 UTC Thu Sep 8 2011
version 15.1
no service pad
[code]...
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Nov 5, 2012
I have a problem with myself a few other clients randomly disconnecting from my 871W. It appears that I am still associated but Windows 7 shows "Limited Access". I appear to be assosciated to the AP and I still have my ip address but I can't ping the 192.168.1.1 gateway (871W). I have also set my power plan to allow for Maximum Performance which I thought disabled PSP but the log is still showing errors.As a final note, after I reconnected by ip address (192.168.1.107) doesn't show up in "sh ip dhcp bindings" but I'm working.To correct the situation, I have to disconnect and the reconnect to the AP and then I am good for another day or close to it. Below are the log errors, config and a sh ver. [code]
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Nov 7, 2012
I've a problem with my 871W. I can connect to the router by inside interfaces (LAN & WLAN) but not on WAN (Fa4). My client on the WAN is on the same subnet and I can ping 871.
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Mar 20, 2013
i am trying to configure Cisco 861 router for simple internet access using my broadband connection. despite of all my efforts, I am not able to browse any site from my directly connected PC having IP address 192.168.1.254/24. but I can ping all internet destinations from router prompt. I believe, I am having problem in NAT becuase I do not see any stats or translations. I have attached the output of running configuration, sh version, sh ip nat stat, sh ip nat trans and sh ip route.
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Jan 15, 2013
I have a cisco 871w router that I'm trying to incorporate into an existing network. I have FastEthernet4 (WAN port) plugged into an ISP device, which I don't have access to. I have the address set to use dhcp, which is successfully recognized and I see that the interface gets a valid ip address that I can ping with other computers on the same network.
Problems: I am logged into the router via the serial port and I cannot ping websites on the internet. I am able to ping sites that are hosted inside the WAN, but when I try "google.com" for instance, I see it sending out packets, but none are received. It resolves the hostname from the local DNS server, but there are no packets received.
I type into the console to set up the router. I'm missing a lot of stuff. This is what I've been able to piece together using google and the software manuals:
enable
config t
hostname [hostname]
interface FastEthernet 4
[Code].....
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Sep 20, 2011
About twice a day (that I notice) my wireless loses its internet connection. All the wired machines continue to be connected to the internet but any wireless ones lose internet, though they maintain a connection with the router.
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Jul 23, 2012
I am new to Cisco and am studying for my CCENT certification. At the moment, I am attempting to correctly configure a Cisco 871W lab router. Since I have undertaken this task, I have run into nothing but problems. First off it was finding that the previous owner had left a password on it, having to purchase a new USB to DB9 adapter to pass the "break" sequence to the router, and then resetting the router in ROM Monitor mode.
Now, I cannot seem to configure the router correctly, and am quite stumped.
My ISP is Charter (cable internet), and the home network that I am using consists of a Motorola SBV5122 Digital Voice Modem, Motorola SB6120 Cable modem, and, ideally, should also include my Cisco 871W router.
When I connect my router to the SB6120 Cable modem, the router receives an IP address via DHCP and the WAN indicator light turns on.
I have a VLAN configured on the 4 switchports of the router, and it is setep to act as a DHCP server. However, when I connect my PC to rhe router via Cat5e Crossover cable, I cannot access the internet. The router gives the PC an IP address, yet all attempts to ping the PC from the router fail. Somehow, I can connect to the router via SSH though.
Furthermore, I can ping the 127.0.0.1 loopback address from my PC, but cannot do so from the router.
how to correctly configure this router to function as intended in my network situation, however, this is proving to be seemingly unsurmountable!
I have attached the config of my router along with both outputs and commands relating to my predicament.
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Mar 8, 2011
I have a Cisco 871w that has been a very great product for many years. I recently switched to Windows 7 x64 on my main machine and now i am having all sorts of issues with it.. I have done a bit of research and found that it appears that it might be the firewall on the SDM that is causing the slowness issues. what does happen is that downloads from known good sites will run really slow. If i hook up my Macbook Pro or my Windows XP laptop i have no issues at all. i have tried Disabling IPv6 as well as SMB2.0 and this has not resulted in a fix at this point.
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Jun 6, 2012
I have a Cisco 871 router at one of my client sites.(they purchased the router from me and I sent them the router with a basic configuration on it). When they connect it after hours clients get the proper IP addresses and dhcp configuration however are unable to access the internet.We are connecting their ISP supplied router to Gigabitethernet0. They have a static address. I have been through the confirmation many times and am thinking I am missing something so simple.
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Jul 8, 2012
Recently, I purchased a Cisco 871W Router with which to practice/study for my CCENT with. Since I have made the purchase, it has given me nothing but headaches.
I cannot access the router to configure it, as the previous owner has a password set on it to access enable mode, which he/she has forgotten.
Here is the message that I receive when I attempt to log in into the router, to access enable mode. [URL]
Apparently there is supposed to be a one-time username and password of "Cisco", but this is not the case.
I have tried to do a password recovery, following this post discussion thread: [URL]
Unfortunately, this has not worked, and I am sure that I am doing something incorrectly. I am connected to the router via console cable and have tried power cycling the router and entering the break sequence, power cycling again, and then holding the space bar down for 15 seconds. The preceding has produced no results to speak of. Following, I set my terminal emulator, Tera Term, to the baud rate of 1200, power cycled the router, and held down the space bar for 20 seconds. I then immediately set the baud rate back to 9600. Nothing occurred, once again.
Furthermore, I have followed the password recovery instructions set forth by Cisco. [URL]
Nothing has come of these methods, either, and I do not see how they would work, or even apply to my situation, as Cisco seems to imply they should, as I cannot get into enable mode, let alone privileged mode or conf t mode, as the guidelines require.
Here is some info for troubleshooting:
OS: Win 7 HP 64 bit
Terminal Emulator: Tera Term
Router is not currently connected to any sort of internet connection. Only the power cord and console cable are properly connected.
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Mar 23, 2011
I have a laptop connected to internet via a router using WiFi.My desktop computer doesn't have a WiFi connection. I want to connect my laptop and my desktop computer using an ethernet cable in order to access the internet on my desktop computer. I've been fiddling around for over two hours with no luck so far. Both computers are on Windows 7.
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May 30, 2011
Is it possible to use a WAG160N as a straight forward router (wired & wireless) and to "switch off" the ADSL connection? I have a cable modem and planned to connect the modem to WAG160N by an ethernet cable and then assumed that it would connect to the rest of my network and use the modem as the route to the internet. But I cannot work out how to configure it to get this internet connection.
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Aug 30, 2011
I'm trying to learn Cisco ASA IOS commands, I have bought myself a 5505 ASA for my home network and plan to implement it. How best to configure it.
I have attached a diagram of how I want my network to look. The internet connection is via the Virgin Media cable modem.
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Jan 15, 2013
is it possible to configure a Cisco 881 router to split the incoming internet connection between two ASA's? If one ASA fails then the router would switch traffic over to the second ASA. The 2nd ASA would takeover from the primary ASA through the active/standby failover configuration and crossover cable. I'm trying to avoid configuring the switch to control the traffic using VLANS if possible.
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Nov 13, 2011
How do I configure and set up my desktop to get on my neighbors internet connection with the netgear wireless adapter.
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Mar 6, 2012
what will be the work around on this configuration.currently we have a Lease Line connection on serial interfaceISP <=SERIAL=>Router 2911<=ACCESS MODE=>Firewall(DATA DHCP SERVER located here, policy implemented here)<=TRUNK MODE=>CORE Switch(VLAN Assignment is here)<=TRUNK MODE=>ACCESS Switch(DATA and VOICE passess thru each ports)i am thinking to create a DHCP pool on the router to where my firewall should point to and from the DHCP pool it will point the internal network going to public network.
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Jun 24, 2012
how to configure a router 2900 to support connection from 2 firewall ( Active Standby connections) How can i said the router to send the traffic to the stand by when it go down the active Firewall?I was planning to use a Switch ( layer 2 capacity only) in the middle of the equipments ( between the firewalls and the router) in order to send always the traffic for 1 physical interface from the router side , and manage to route all the internatl traffic to the virtual IP of both Firewalls.Also i dont know yet how to configure a VPN site to site if i have that scheme and some Publics NAT ( Firewall - Switch - Router ), i was planning to configure a NAT in the Router in order to allow the VPN traffic to internal IP of the Firewall but still dont know if it will work.
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Aug 23, 2011
How do i configure my netgear router to my samsung blu-ray player to allow wireless connection?
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May 3, 2011
I am using a PPPoE connection using a linksys WRT54G router (working perfectly) and am now trying to set up an Edimax EW-7206APg to extend my wireless connection range. I followed the instructions given on the Edimax manual, and while my devices (iPad, laptop) got connected to the new repeater network, I could not access the Internet from it. I may be wrong, but the instructions on the Edimax manual seemed to be for a DHCP connection. Is there anything different I need to do to configure the Edimax repeater on a PPPoE connection?My router IP ("Local IP address") shows 10.10.0.1 instead of the "192.168.1.1" that all the documentation online seems to suggest.
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Mar 26, 2012
to configure beetel 450tc1 wifi router with tikona broadband connection.
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Dec 21, 2012
Every night I turn everything off via power strip, including the router. Before I turn off the router, my roku connection is good.In the morning, the roku will work for about 20 minutes, then disconnects, and then I'm unable to find the router.I'll then need to reset my router's settings (I have the WRT54GS), and then uplug, and replug the router.It's important that I unplug the router every night.Is there a way to configure the settings so I don't have to reconfigure the settings every morning?
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Jan 4, 2013
I am a bit green with IOS and have exhausted everything I can think of with this. The router passes the WAN test in CCP?Undoubtedly there are probably a few things in the config that are either redundant or totally unnecessary, but I have been trying a few things to solve this with very little success.I have no security stuff in here because I have triewd to keep the config as simple as possible to start with. I will add that after I get the routing working.
Here is my most recent config:
Cisco871W#show config
Using 2631 out of 131072 bytes
!
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
[codde].....
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Mar 8, 2013
I have rather huge connection at home. DL speed 80Mb, UL speed 3Mb.When I connect my PC directly to modem and configure PPPoE connection, I get 81Mbits/sec. When I connect my old ASMAX $30 router, I get 78 Mbit/sek. And I find it OK.But when I connect my EA6500 I get 28 MBits/sec. Same result on wire as on wireless connection. Of course If I enable prioritisation, I get even less, 12-15 Mbits/sec.I tried already even configuration with ASMAX as wired router and EA6500 connected to its LAN port. It gives me 50Mbits/sec.
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Apr 28, 2011
I'm trying to configure a Cisco router 1811 for Internet access, so here's my scenario:
2 ISP:
1º - 66.110.117.33
2º - 64.30.154.81
Internal Server:
172.16.30.2
how can I make all this traffic(SMTP,pop3,http,HTTPS,DNS) available in both interface?
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Apr 5, 2013
I am having a cisco 861 series router.The Cable from the isp was connected to fastethernet4(wan port)
Following are my isp details
IP address:172.16.62.130
subnet:255.255.0.0
default gate way:172.16.62.1
dns primary:202.153.32.2
secondary:202.153.32.3
How do i configure this details in the router and access the internet in my devices.
i want the network to be in 192.168.1.0 to 254.
how do i configure my router with this details using cisco configuration professional
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Aug 9, 2011
I bought an 871w second hand with 124-24T IOS on it. I would like to enable QoS. When I use Cisco Configuration Professional to manage the router I click on QoS and it says it is not available. I know that the router itself is QoS capable.
This is my first time dealing with a router such as this and I wonder what I need to do to enable QoS.
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Sep 18, 2011
I want to upgrade my IOS on an 871W. In order to do this I need to upgrade the memory. I have found that I need the MEM870-32F (Am I correct?).
As in here: {URL}. So if I follow these instructions: {URL}. Is that all there is to it?
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Jan 16, 2011
As soon as I add the interfaces of the router to security zones it significantly drops speed on WAN interface, below 1 Mbs. I noted this because I wasn't able to watch youtube. Moreover the bandwidth test from speedtest.net hangs and doesn't come to a result. Here below is the diagnostic example while doing that test. The question is what is going on? I have two iPhones and three computers in my network, that's it. My ISP bandwidth is 10 Mbs, so is this the router hardware limitations, or kind of malfunction or some misconfiguration down here? What could be done here ?
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Sep 23, 2012
I have a small wireless network, which consists of three AP1121G with c1100-k9w7-mx.123-8.JEB1 ios and one 871w with c870-advipservicesk9-mz.124-24.T1. I've configured two different ssid's with individual authorisation types - ssid_1 with eap, ssid_2 with wpa. All three ap's works as it should be, but 871w authorises only eap connections, and all other types are rejected
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Jul 9, 2012
Is it possible to make Any Connect VPN from IPad/iPhone to 871w? IPSec VPN is working perfectly but cant get my Cisco AnyConnect iOS client to connect. I have config webvpn and it beeing user/pw prompted but keep getting the following error:
"the required license for this type of VPN client is not avaiable on the Secure gateway. Please contact Your network administrator".
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Aug 21, 2012
Below is my VPN config in my 871 and radius user config. I am unable to connect to the vpn using Cisco vpn client. I am getting one of two errors depending on what config changes I make.I believe I have the radius configured correctly because it is authentication but not 100% sure.
[code]...
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Oct 10, 2012
I've acquired an 871W, because I'd like to use wireless, to replace my 851. I Ft Pd the 851's configuration to my FTP server and then Ft Pd this to the 871W. Save for the fact that this has a radio interface (currently shutdown), everything works save for FTP from the outside. I can not even telnet to port 21 of any of the internal FT servers. I can telnet to any other port (ssg, smtp, HTTP, https, etc.) but FTP will not pass. What's the difference?
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