Cisco WAN :: Replacing A 877W Router With A C887VA-W-A-K9?
Apr 10, 2012
I'm replacing an 877W router with an C887VA-W-A-K9.The new router uses the service module for managing the AP independently - So I know I can't simply paste the config accross from the old one.
The current router is connected to an ISP with a VPN back to the head office router. DHCP is supplied from the router and clients connect to that via wireless.
I know I can type most of the commands in - but what is best practice going from an all-in-one to having a separate AP? What order should thing be entered?
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Jun 19, 2012
I am having trouble to configure the wireless on the Cisco C887VA-W-E-K router.I managed to get the DSL working using cable, but cant seem to connect to the router when i use Wireless. I can see the SSID and when i double click on it i get the Network Key promo. I input the network key, the router seems to try and connect me but then it fails, its as if the router cannot give me an IP address even though i have DHCP configured on the router. Maybe the AP and The router arent linked up?
I have configured many wireless devices in the past, but this new model is different, it seems Cisco have changed their router infrastructure and separated the router from the AP.From the router i can ping the AP IP address and i have the latest IOS - C800-Universal-mz.SPA.151-4.M4
Here is a copy of the config
ROUTER CONFIG:
Building configuration...
Current configuration : 3681 bytes
!
! Last configuration change at 14:11:43 UTC Mon Jun 18 2012
version 15.1
service timestamps debug datetime msec
service timestamps log datetime msec
[code]....
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Jan 24, 2012
I am using a company called Zen for adsl, I have 8 IP from XXX.XXX.XXX.248 to - XXX.XXX.XXX.255, Gateway is 254, Address 249-250-251-252-253 I would like to appear at the 4 sockets at back of router, and 252,253 will be used for a server...I understand I should be using Routed IP , but I cannot get it to work, I can ping out to google from the server, but the server is not live to the world. [code]
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Nov 18, 2012
While i was looking around in my stuff in the office i have found a Cisco 877W ADSL router .. so i have decided to use it instead of the one i am using now which is provided by the ISP that's made by Huawei.Anyway i have a good knowledge about basic cisco router configuration but i had never configured ADSL Cisco router, so i looked around on Cisco website, and i was lucky to get this two linksCisco DSL Router Configuration and Troubleshooting Guide - Step-by-Step Configuration of PPPoA with a Dynamic IP Address - Cisco Systems[CODE]
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Apr 29, 2013
Probably this is a trivial question but I have not found any response to it. What I would like is to set my cisco 877W rotuer up in order to act as a DNS server which forwards DNS queries following these simple rules:
1.- If the name is within my local domain *.ib forward them to my local DNS 172.21.238.229 and .230, and
2.- Else forward them to the chosen public domains (i.e. 8.8.8.8 and 8.8.4.4).
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Nov 15, 2010
I'm configuring a Cisco 877 router as my firewall.My WAN IP will be assigned dynamically with DHCP. I will also get my default route from DHCP.I will need to configure ip inspection and packet filtering.I will need to configure NAT, I will eventually need to also configure a dial-up VPN.
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Jan 4, 2012
I have an 877W router that I would like to have a 2nd pre-configured backup for. I was thinking of getting another 870 series (probably an 877) router, as the more expensive wireless option is not actually required. Am I right to assume that I could simply copy the contents of my current config.txt file onto the second router?
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Feb 20, 2011
I got a task to replace our current cisco 2800 series router which is used for easy vpn remote access with cisco asa 5510.I have a got a lot of users, i wish that user shall see no difference except of ip address they are going to use for remote login.
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Feb 20, 2011
Comcast upgraded me to a 30 Mbps speed, and my trusty old BEFSR41 v2 doesn't cut it. Cisco promotes wireless routers with a 1 Gbps ethernet, I would rather have a wired router, and use a WAP that I can unplug when I am not using it, since, for now, I only connect my work notebook wirelessly. Most wireless routers also generate a lot more heat than a wired one does, and I don't need any more heat in my Houston home.A new BEFSR41 v4.3 is only 10/100 Mbps. There doesn't seem to be any 1 Gbps wired routers for home use. Will a new BEFSR41 give me 100% of the cable Dociss 3.0 speed, or would I need to get a 1 Gbps router to get the fastest throughput? Or do I only need to upgrade when the cable speed increases closer to 100 Gbps?If a 1 Gbps router is better, are there any simple business wired routers you could recommend?
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Feb 3, 2013
I have that red gigabit router with the 150/65 service. It connects via ethernet for internet and has a coax to transmit the guide data etc.So my idea was to just leave the Verizon router connected and on (with wi-fi off) so it could do the TV stuff and just plug my router into the ethernet wall port the Verizon guy installed.Not so easy of course, my E4200 will not recognize the ethernet from my ONT (I think that's what the device they put in my basement is called) and the internet doesn't work. I have factory reset the router.The reason I am doing all this is because the wireless range of the e4200 at 2.4ghz is near unmatched and given my house, the actiontech cannot reach my room.
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May 7, 2013
I have a 2801 router that I am replacing with a 2911. I know the ports on the 2911 are Gigabits and the 2801 are Fe. I read where the IOS would not support backup and restore on each other . I am attaching a show ver on both routers. I need to know if backup and restore would work and or what other changes would need to get done.
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Sep 1, 2012
I want to replace a WRT150N with an E2500 and retain the setup/settings of the WRT150N.
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Jan 21, 2012
I purchased an E2500 wireless router. I am trying to replace a Netgear wilreless router with no success. During installation my laptop reaches about 25% and I get an error message. In short my laptop asks for an IP address with a password. Once I enter that information I receive an error message to call for assistance.
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Jan 2, 2012
I am trying to replaced our wired router (BEFSR41) with a wireless router (WRT54G V5) that we have floating around. When connected through the wireless router, I am unable to access 192.168.1.1. I went to the command prompt and The IP Address and the Default gateway are both blank. I even tried to manually set the default gateway to 192.168.1.1 but I was still unable to connect. Currently, I am connected directly to the modem so that I may use the internet for troubleshooting. I've tried releasing and renewing the ip, but it will not renew.
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Oct 15, 2012
I am attempting to bring up a remote router using a pppoe connection by replacing the current Tenda 308R router with a Cisco 1921 using the Ethernet connection on the WAN side. The connection works fine with the Tenda in place but when I put the Cisco in I get no connection and no answer for my PADI queries.I always get padi timer expired. I do not think it is even getting to the ppp authentication. [code]
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Jan 15, 2012
In the next month or so I plan to replace my old desktop PC. It is currently connected to a Linsys E3200 wireless router. I have many other wireless devices also running off the E3200, but my PC is the only wired device connected to it. When I replace the wired PC do I simply switch the new one in with the existing ethernet connection (I'm sure it is not that simple) or do I have to start over again recreating my entire network..security etc.. ? If so what is the process to start over ? Do I have to reset something on the router, reload cisco connect, create a new network name?
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Jun 16, 2011
Configuring QoS on my cisco877W for VoIP below is the current config. [code]
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Dec 16, 2011
Cisco 877W. I configured it for PPPoE. But once I plug in the ADSL line, the dialer interface will get IP Address. But after like 2 minutes the PPP link will go off and I will get this log message: "Interface Vi1 unbound from profile Di1".
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Nov 7, 2011
I had the Cisco 877W Router working in my old company. The old company was closed and I bring all of network equirments to new company.I am trying to setup this router to new company but lost menu, console cable and software CD.
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Jan 22, 2013
I have a Cisco 877W in place with an ADSL connection, which is working fine. However I cannot get it to hand out a DHCP address. If I associate with the AP over wireless then set a static IP I have full connectivity, similarly if I connect over Eth0 and set a static IP I have full connectivity. So it does just seem to be DHCP. Below shows my config... Any thoughts on the issue? Is it access-list related?I have checked with Wireshark and I see the DHCP request being sent out, but I don't see a DHCP offer being returned
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Feb 26, 2007
how to configure WPA2 /AES on 877W. Also how to enable IPS on the router. My ios is 12.4.11T1
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Sep 9, 2011
I am running an 877W in the home that for the most part works fine, however after being connected for a variable amount of time I partially loose my DSL connection. Line sync stays up, but the traffic is lost.
A shut/no sut of the atm or dialer interfaces does not resolve the issue, only a reload or power down/up will fix the prob short term till it happens again.
Am currently running advipservicesk9-mz.151-3.T1, but have also rolled back to advipservicesk9-mz.124-24.T5 which has the same issue. Have tried a 857W with the same results. So ruling out IOS and hardware, its pointing to a config issue. It has also only been an issue since changing from ADSL1 to ADSL2+.
interface ATM0
no ip address
no shutdown
no atm ilmi-keepalive
exit
[code]....
I've tries some changes mentioned here and from other sites, but no success yet...
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Dec 20, 2011
I have a working easyvpn setup. We need to change the HQ ip address (current it is i.e 85.146.110.101). This is ACL is applied to Fastethenet conecting to ISP:
interface FastEthernet4
description $FW_OUTSIDE$$ETH-WAN$
ip address dhcp
ip access-group 101 in
ip inspect SDM_LOW out
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
crypto ipsec client ezvpn Acom
As soon as I apply again the ACL to interface Fastethernet 4, access to internet is lost. If I put original ACL 101 (with ip address 85.146.110.101) it works fine.
So I am wodering what wrong with may ACL? Should I make the change via SDM not CLI (to be honest I did not know/use SDM before today)?
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Feb 21, 2013
I've an 877W with four V LANS, All bridged (group) onto a BVI which is bonded to ATM etc for ADSL:
c870-advipservicesk9-mz.124-15.T5.bin"
1 is the backbone, and for the switch, and has DHCP running and working with no problems - x.y.1.z . Multicast is enabled so that various multimedia bits of kit can find each other.
2 is the "primary" WiFi, which has android devices as they cannot handle SSID not being broadcast or devices that can only do wep.(WiFi radio) it has DHCP, x.y.2.z which works fine. Multicast is enabled so that various multimedia bits of kit can find each other.
3 is a secondary WiFi for the kids, "hidden" ssid. They are fire walled so that bugs can't infect any other windows PC DHCP x.y.3.z.
4 Is a secondary WiFi for our laptops, "hidden" ssid .
For some reason, DHCP is not working on 4. it was working until the good lady of the house quizzed why her net was not working... I've concentrated on vlan4, as there are no "local" access-lists definitions to stop anything. I've enabled debug ip dhcp server, and can see requests serviced on Vlan2, but not on 4, I've enabled/re enabled encryption/ shields on Vlan4, but still can't see dhcp requests arriving and do not see them being stopped somewhere. I can see that the station authenticates OK, but if I connect the same laptop to v lan 02, requests pour in and are answered, proving it's maybe not a Microsoft problem.
Let me just say, I'm more or less self taught with the the net, no real mentoring, so 'think' I have the general idea of the different layers, access-lists etc. so this config is probably not ideal, but it works.
version 12.4
no service pad
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
[code]....
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Apr 26, 2012
Looking to setup a backup router for our disaster recovery plan. We currently have a Cisco 877W that was setup by our ISP. I can log into the device with Telnet and a console cable, but I am not good using IOS commands, so I would like to use CCA. Unfortunatley, I cannot access the router using the software. I assume something is disabled in the config. Like HTTP or something.
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Jan 6, 2011
A client of mine is using a Cisco 877w wireless router, they have one IP phone connected to one of the RJ45 ports on the back of the router and their main desktop is also plugged directly into the router - this all functions perfectly.However, the router is in a private house and as such it provides connectivity for all other wireless devices such as iPhones, Ipads and Xbox Live etc. The problem is that the router only allows 5 devices to be connected at any one time and when a sixth attempts to connect to the router the first device (the IP phone) is diconnected automatically.
So my client can be using the IP phone for an important call and his son walks in with Iphone and Xbox, friends etc etc and the IP phone is immediatley disonnected from the router. I beleive that the router should allow more than 5 devices to connect and would hope there is a way of stopping the IP phone constantly being disconnected.I have already paid for "Cisco Engineers" to attend this site but they cannot get it working.
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Nov 23, 2011
I would like to configure an 877w I just bought. It's connecting to a UK ADSL2+ link.I'm a penetration tester and I want to put the Cisco router in front of my existing firewall which has an IPS on it, so that it doesn't get in the way of port scans and vulnerability scans. My ISP has issued me with 14 usable addresses a/240 subnet and basically I want to be able to use the route with just the public IP addresses. I have configured Cisco routers before, but never with this type of configuration. It's always been single public IP address NAT'd through to one or two internal LAN's.
It will be nice if I could assign the wireless and fast ethernet ports to the same VLAN using the public addresses. I don't want to use DHCP I'm quite happy statically assigning IP addresses to the computers wireless and LAN interfaces. I am reasonably certain this is possible because not sure how to do it and a little busy at the moment carrying out penetration tests.
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Apr 12, 2012
I have a Cisco 877w (configuration shown below) and i am trying to use a Photo Transfer App on my iPhone4s and iPad3 which allows transfer of photos and videos between the devices using WiFi, the only thing is i cannot get my devices to communicate with each other and i suspect that this is to do with the configuration of my router as the app works perfectly using bluetooth but obviously a lot slower. I cannot even ping the devices from my pc which is also on the same WiFi network. How i should tweak my config?
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Nov 7, 2011
I'm having a business DSL-connection which requires a modem from the provider (It cannot be replaced by another modem/router)I want to know if it is possible to place the Cisco 877W-G-E-K9 behind the modem and set it up as an VPN-server.The internet connection wil be established in the modem/router of our provider.
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Mar 15, 2012
I just bought myself a Cisco 877W in hope that I could touch up on my IOS skills. The configuration went well, however I have found that after configuring the Dot11Radio0 interface, the ADSL2+ has slowed down dramatically. I am still syncing at a decent speed (decent enough for how far I live from the exchange), but web browsing and other internet traffic is horrible. Originally, I was downloading at ~500kb/s, but now I can't even navigate to a website to perform testing. :
I have another ADSL2+ modem which works just fine (using it right now to write this post)
I originally thought this may have been a DNS issue. However, performing an nslookup on various sites from both the router itself and a client PC shows that resolution occurs in only a few seconds. With that said, there are some sites which will load in an instant (Google.com, for example) while others will simply refuse to load. DNS server (Server 2k8) is on the LAN with forwarders to ISP DNS addresses.
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Jun 1, 2011
I haven't worked with Cisco devices before (yepp, another one of those) but I am getting there. I have replaced my silly Draytek router now with a Cisco877 and it works perfectly fine. But the whole networking side of things such as NAT / ROUTE / ACLs is a BIT black magic.
Basically my problem is that I cannot get proper traffic through the tunnel
From any station behind the Cisco (Site2) I can ping the local IP of the Sonic, but none of the other stations. From behind the Sonic I can ping any station behind the Cisco but unable to connect on any port (RDP for example)
Bear in mind that a lot of settings are from forums, google and the sorts because as I mentioned, before I got this one I have limited experience with Cisco .. Everything configured is working fine, the internet connection, the incoming pptp VPN to the Cisco etc., just not the IPSec VPN.
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Jan 3, 2010
I have a small CCENT/CCNA lab with a few switches and routers which I would like to connect to my D-link home router so that it can access the outside world. I have an 877W which I believe is supposed to be able to connect to a wifi network as a client.
I have seen reference to configuring a bridge but this is something outside of my current understanding. The idea is to have the 877W with it's wireless interface connected to my wireless network and the Lab connected to the 877's intergrated switch, using the 877 as a basic router connecting the two networks. I've scoured Google and put together a configuration using what I could find in forum posts and Cisco documentation. The D-link is set up for auto WPA/WPA2 Personal (TKIP or AES). I'm using an ASCII key with an update interval of 0. I've never had a problem with other devices trying to connecting to it.
At the moment the 877W seems to connect to the D-link but then lose it's association, from what I can see it looks like the 877 is trying to rotate the key? Once this happens my laptop loses it's wireless connection and I need to reboot the D-link to get it back. Interestingly the Windows 7 network icon shows three computers with a link between each as the network icon when this happens. It's as if the 877W acts as a Rogue access point and steals my client's connection. On one attempt the debug output showed the 877 geting an IP address from the D-link's DHCP so it does seem to connect initially.
Config and debug output are below.
Config:
!dot11 ssid MYSSIDauthentication openauthentication key-management wpainfrastructure-ssidwpa-psk ascii 7 MYWPAKEY
!interface Dot11Radio0ip address dhcpshutdown!encryption mode ciphers aes-ccm
[Code].....
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Jan 17, 2011
I got the wireless up and working. one more issue, its that the clients take time to get an ip address and the ok light on the routers wireless side is blinking and not steady lit.
how do i get it steady and decrease the time for the clients to receive the ip address, both lan and wifi.
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