Cisco Wireless :: 871w Ethernet And Wireless On Single Vlan
Jan 16, 2013
I'm trying to setup a cisco 871w router in a very simple configuration using only 1 vlan. I have the FastEthernet interfaces setup such that when you plug in a client computer into one, everything works as expected. I'm now trying to set up the wireless portion. From what I've read on the internet, I managed to bring up the Dot11Radio0 interface and the BVI interface. It's a little confusing to me, but it looks like I need the BVI to bridge the wireless interface to the vlan? I'm not sure how it works...
Anyway the problem is that I can connect to my wireless network, but after authenticating, there is no ip address being assigned to the client. I don't think I'm bridging the interface correctly or something. Windows 7 gives me a yellow exclamation icon on the wireless tray icon saying "no internet access".
Here's my config:
enable
config t
hostname [name]
interface FastEthernet 4
[code]....
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Apr 2, 2013
I have around 60 , 1142 N APs . As of now i have only management VLAN ( for IP ) & one user vlan 350 configured on the access point . All the users connect to VLAN 350 and they get IP as required.However in our new set up there are couple of requirements have come up were in SSID will be the same however we have created many VLANs for different kind of user group and all these VLANs should be mapped to this single SSID and pick the IPs from their respective VLANs .
We have done configuration on the RADIUS server side were in we have mapped the users in their respective VLANs and they are getting authenticated via AD . Now how do i map my these 4-5 VLANs in a single SSID in Access Point.
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Mar 18, 2012
I'm a little stuck with a 4400 7.0.220.0 + RAP 1550 + MAP 1260 Ethernet bridging issue. I'm using the VLAN tagging functionality and I'm finding that periodically a VLAN that I've tagged on the MAP will deregister from the backhaul and stop passing traffic. If I go into the Mesh tab on the MAP, select the wired interface, remove the VLAN from the list of tagged VLAN IDs and then add it right back to the list, its starts passing traffic again
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Dec 28, 2011
I've got a router on which I run a backup/media/print server, a couple of computers and a voip box. My router has only four ethernet lan sockets which are thus all occupied by the above, but I need to attach at least one further device b
Secondly, could a splitter such as >> this one << do the job? I'm guessing this basically split a single 4-pair ethernet connection into two 2-pair ethernet connections.
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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 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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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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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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Jan 17, 2013
I'm looking to implement a single proxy server for two different VLANs. Both VLAN have outgoing traffic configured through different ISP i.e. traffic for users on VLAN1 is routed through ISP1 and traffic for users on VLAN2 is routed through ISP2. Inter-VLAN communication is enabled. The proxy server should route internet traffic for users in VLAN1 through ISP1 and for users in VLAN2 traffic should be routed through ISP2.
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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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Apr 16, 2012
I have a Cisco 871W that periodically will drop its signal. how to configure this for maximum reliability? I set it to use chanel 2462.
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Jan 27, 2009
I know this question was asked many times, but I'm still not able to finalize my configuration on 871w. LAN part works fine, but wireless clients do not get DHCP IP. here is the config:
Building configuration...
Current configuration : 2092 bytes
!
version 12.4
no service pad
service timestamps debug date time m sec
service timestamps log date time m sec
no service password-encryption
!
[ code ].....
I'd like to have LAN and WLAN clients in same 192.168.1.0 sub net.
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May 11, 2012
I have Cisco L3 3560G switch which directly connected with router . i have configured Vlan 2,3 on the switch and assign port 2 & 3 respectably. I want to management both vlan 2 & 3 from from L3 port g0/10 .
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Mar 14, 2013
I've been trying to get my wireless configured for the past few days with no luck. I can ping every device on my local network and I can ping outside my network and surf the web. My wireless devices can see my wireless network but cannot connect to it.
[code]....
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Jul 21, 2008
I have a 1242 Access Point as root and a 871W Router as a non-root bridge (Diagram attached). I have a laptop connected to Fa 0 of the 871W router.
* I am able to ping from the AP to the Router and vice versa
* I am also able to ping from the router to the laptop and vice versa
* But I am not able to ping from the laptop to the AP
All bridging commands seem to be fine. Even tried adding route commands, but none seem to work.Please find the configuration below:
Configuration on Root AP:
hostname ap
!
enable secret 5 XX
!
[Code]....
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Dec 24, 2012
My VDSL subscription will include both Internet, and TV. The supplied router then makes them available via two separate ports with different address ranges. LAN cables then connect to the computers and TV decoder from these ports.In the house there is a single Ethernet cable already running through the walls from the basement to the lounge on the ground floor. I want to consolidate both the Internet and TV data onto this cable and then split it apart again at the other side to go to a TV decoder and a wifi router.I don't want the VDSL router to be in the lounge as I will also have a TV decoder and Internet connection in the basement.I am renting the property so I can't run new cables through the walls etc.
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Jun 27, 2012
I got a different scenario from one of my client.My client have two different branch offices and have 50Mbps point to point connectivity between them. All users in both braches using same series of IP pool ( 192.168.224.0/24) in both branches.Both branches he had only Cisco 2960S series switches only. And in both branches he is using IP cameras. He will monitor the assets by accessing IP cameras through the browser.His requirement is, he wants to prioritize the Video traffic( monitoring through the browser) over the normal data traffic.Note: He had a single VLAN only.
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Jul 28, 2012
I have an 871 set up at home with 2 VLANs, both of these vlans present a strange behavior where an user is unable to ping/contact another user on the same subnet, however if users are on different subnet it seems to work [code]
According to the troubleshooting that I have done, the issue seems to be with the broadcast traffic, ARP request/reply do not reach another host on the same subnet (wireless to wireless or wired to wireless) however if the wireless device iniciates the connection to wired, it works fine.
I have tried to enable proxy arp on the different VLANs and BVI and different combinations but no sucess in order to get traffic across 2 wireless devices on the same subnet or a connection that is iniciated for a wired client to a wireless one.
I tried enabling and disabling dot11 arp-cache but no luck.
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Mar 12, 2012
I would like to know if it is possible to assign a 3rd IP address to my end user vlan. Basically the 45xx acts as my end user gateway and has been confirgured as below
interface VlanXX
description Main Vlan
ip address 2.X.X.X 255.255.255.0 secondary
ip address 1.X.X.X 255.255.252.0
[Code].....
Here, due to IP address exhaustion in my end-user network, i want to add one more subnet X.X.X.X/22 to my network and assign one IP more from this range to the above vlan to act as the gateway IP.
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Apr 22, 2013
I have enabled IP DHCP snooping on a 24 port 3560 switch (v small office) and let the database fill up, now I have added dynamic arp inspection on the single vlan and I amd getting these errors.
Apr 23 16:15:34: %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Req) on Fa0/5, vlan 1.([5835.d9b0.b9d1/172.30.5.2/0000.0000.0000/172.30.5.3/16:15:33 BST Tue Apr 23 2013])
Apr 23 16:15:39: %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Req) on Fa0/8, vlan 1.([0004.f2be.55e4/172.30.5.5/0000.0000.0000/172.30.5.8/16:15:39 BST Tue Apr 23 2013])
Apr 23 16:15:40: %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Req) on Fa0/8, vlan 1.([0004.f2be.55e4/172.30.5.5/0000.0000.0000/172.30.5.8/16:15:40 BST Tue Apr 23 2013])
[Code] .....
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Mar 31, 2012
I have six Cisco 300 Series switches in Layer 2 mode. They are all connected using ports in Trunk mode. These Trunks are tagged members of all VLANS.
I have one 300 series in layer 3 mode with IP address assigned to each VLAN.I would like to use one Internet gateway for multiple VLANS. This gateway has numerous IP ports that forward to internal ip addresses on various machines.
All i9nternal clients use their respective VLAN IP as their default gateway.The Layer 3 switch is connected to one of the Layer 2's using a Trunk that is a tagged member of all of the VLANS.
I understand how traffic routes from a client to its respective VLAN gateway. Where I am confused is how it routes from there to the Internet gateway? Internet gateway is 192.168.1.1.VLAN IP's are 192.168.2.1, 192.168.3.1, etc...
Should the Internet Gateway be patched into the Layer 3 switch or one of the Layer 2's using a separate "Internet" VLAN?
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Dec 6, 2009
I am trying to make the multicast working between few hosts inside a single vlan. Host are running mysql cluster and Multicast is used to send master/slave status information to the IP 228.10.10.10 on port 45566.The vlan is defined in FWSM and the host are connected via the core-switch(6513). (hosts-->core-sws--->fwsm)I have tried searching the documentation, but couldn't find specific info to enable multicast between hosts residing in same vlan. FWSM is running code 3.1(4). since the hosts are residing in the same vlan, I am thinking of applying the <multicast-routing> just for that SVI in FWSM.
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Sep 17, 2012
We are currently using two Nexus 5548UP's as our Datacenter Network Core. I have a pretty simple objective: I would like to enable Jumbo Frames on a single VLAN only(VLAN 65). This VLAN is used strictly for backups. I do not want to enable Jumbo Frames on the other VLANs(VLANs 1-10). Im not sure what the best way to do this is.....or if it is even possible but I am hoping to get some configuration examples.
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Apr 7, 2013
I am trying to configure a new metro ethernet and have some questions about the configuration. The physical layout is a main office and two remote locations. The remote sites are point-to-point connections to the main office, tagged by the ISP with VLAN 130 and VLAN 140. The connections aggregate into one handoff at the main office, and are plugged into Catalyst 3750-X switches at all three sites.
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Jun 11, 2012
I just got a new Xbox today, and use the integrated WiFi card. I was lagging like Crysis 2 on a 6800 GT (forget it). I just got a CAT .5 cable, and plugged it into modem/xbox and IDK... it works, I'm online, but basically my question is:Does ethernet connections have less ping (better) than wireless connections? This is with the Xbox 360 Slim. I know it improves upload, and download, but what about ping?
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May 7, 2012
I have a client that requires a single router with POE for placement at an economical price. I was considering the Linksys WAPPOE12, but that is discontinued. What would work with that router?
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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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Feb 12, 2011
i have a wifi laptop. Is it possible with a router to connect to my bb wirelessly without using a host pc?
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Mar 17, 2013
I want to Single SSID in my network .I have 3 cisco 4410 WAP. ISP router Have the Wireless .How to get the single ssid in the network .same time i want to do configure in the isp router for wireless?
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Apr 23, 2013
I've to bring vlan 2 access to a remote site through 2 AP1261N configured as bridges. Here it is the network diagram
One AP1261N is configured as root bridge. Its ethernet interface is connected to a switch with vlan 1 native and vlan 2 tagged. Vlan 1 is for APs and switches management. Vlan 2 is for users access. The other AP1261N is configured as non-root bridge and one PC is directly connected to the AP's ethernet interface. I've successfully managed to create i wireless link between the 2 APs and so I can reach the vlan 1 IP address of the non-root AP. My problem is that I can't reach the PC connected to the non-root AP.
Here are the conf of the 2 APs:
root AP
version 15.2
no service pad
[Code].....
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Jun 7, 2012
I have a WLAN with 5 1200 Series AP (A/G) configured for Fast Roaming using the Cisco supplied documentation. Can I use one user name for all of my devices to connect to the Internal Radius Server? This would be similar to having a passphrase for WPA.
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Jul 16, 2012
I am setting up a Cisco 5508 wireless controller and was looking for some feedback or assistance. Basically I already have my guest SSID configured and functioning. Created an interface group containing my vlans and applied the created ACL "Guest Policy - internet only", which is also working.I want to setup a second SSID called "staffstudent" and use RADIUS for authentication. I have already created two separate network policies on the radius server: staff and student. Each only allows certain user groups. I want to be able to differentiate on the controller side which profile they are logging in on and then apply the correct ACL. I have two currently configured: one for staff and one for student. It appears to me that since you have to apply the ACL at the interface level I cannot use both since my interface is accepting both staff and students. Is there a way I can filter them using RADIUS so that when they login RADIUS can return a "student" value and then apply the correct ACL? Same for staff?
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Apr 23, 2013
New AP models 1600, 2600 and 3600 use one connector for both RF bands. I need the 2,4 band only. Is it possible to use old 2,4GHz wallmount patch antennas for those APs?
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