Aironet 1310 Point to Multipoint Configuration.

According to the installation manual in a point to multi point configuration one device should be a root-bridge a the others must be non-root bridge. This is working fine. From the root bridge I can see the true CDP and ping the other devices. with out any problem. Even Http and set up the non-root bridge?s configuration.
The problem begins when I am trying to ping from a non-root bridge to another non-root bridge and have access to the resources in that side of the Lan.
The ip Addressing scheme seems to be fine , all the devices are in the same sub-net. Know what am I missing in the configuration of the root bridge so he can permit the communication between all non-root bridges?
TKS

I didnt have the time to check your configuration but I can give you a link that mind help you. I try it as point to multipoint and i could ping between the two non root aironet
http://www.cisco.com/en/US/customer/tech/tk722/tk809/technologies_configuration_example09186a008058f53e.shtml

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Link Budget for Aironet 1550EU point-to-multipoint bridge

We have six remote building near our main office. Is it possible to use a single Aironet 1550EU as the root bridge for point-to-multipoint links to six Aironet 1530E on each building? The datasheet for Aironet 1550EU states that it support three 5Ghz antenna and three 2.4 Ghz antenna.
The remote buildings are within 1 km radius of the main building with LOS. We are using the following link budget for our calculation. Our target bandwidth is 24 Mbps. Please correct me if my number is incorrect. I am quite new to wireless network.
Regulatory Domain: America
Link Margin: 5 dBm
Cable link loss: 2 dBm
Antenna Gain for both 2.4Ghz and 5Ghz links: 13 dBi Patch Antenna
Max Tx Power of 1550EU for 802.11g and 802.11a with 13 dBi antenna : 20 dBm (smallest Max Tx power on channels)
Rx Sensitivity of 1550EU and 1530E for 802.11a and 802.11g @ 24 Mbps: -81dBm
Max Range for 5 Ghz @ 24 Mbps = 4.78 km
Max Range for 2.4 Ghz @ 24 Mbps = 9.95 km
I am using the formula on this page. The result is very similar to Bridge Range Calculator from Cisco. Is my calculation correct?
Thanks
Reference:
Aironet 1530 Data Sheet: http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1530-series/data_sheet_c78-728356.html
Aironet 1550 Data Sheet: http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1550-series/data_sheet_c78-641373.html
Aironet 1550 Max Tx Pwr: http://www.cisco.com/c/dam/en/us/td/docs/wireless/access_point/channels/lwapp/reference/guide/1550pwr_chn_7dot3.pdf

I was going to have the same concern as you about using the 1232 for both bridging and client serving. Tying a bridge and an AP back to back is a valid configuration from what I have heard. I haven't had the opportunity to try it, though. I know that Cisco says tying 2 bridges back to back to serve as an intermediate bridge hop is a valid configuration, so I don't see why this would be any different.

Aironet 1400 Point to Multipoint Bridging

Hello Everybody
I`m already desinging a Wireless Point to Multipoint Bridging with Aironet 1400. I was Wondering if on the Central point the 1400 should has a external omnidireccional anntena to support all the others bridges... that is: this AP will be the multipoint bridge.
Could I use all the 1400 AP with integrated anntenas and get that the Central AP work in a multipoint configuration?
Thanks in advance.

Hi,
Cisco Aironet 1400 has a model with integrated 22.5 dBi patch array antenna, the AIR-BR1410A-A-K9.
The integrated radio and high-gain integrated patch array antenna is used in point-to-point links and the non-root nodes of point-to-multipoint networks.
You can (need to) use the external omnidirectional AIR-ANT58G9VOA-N antenna type for your N-type root bridge unit (AIR-BR1410A-A-K9-N).
Basically, these models are ideal for each other in both point-to-point & point-to-multipoint connectivity scenarios.
Cisco 1400 N-type is recommended to use the following external antenna type:
* 9.0 dBi vertically polarized omni antenna --> you need this
* 9.5 dBi sector antenna with support for vertical or horizontal linear polarization
* 28.0 dBi dish antenna with support for vertical or horizontal linear polarization
ref: http://www.cisco.com/en/US/partner/products/hw/wireless/ps5279/products_data_sheet09186a008018495c.html
Aironet 1400 Bridge Ref:
http://www.cisco.com/en/US/partner/products/hw/wireless/ps5279/prod_technical_reference09186a0080184933.html
Rgds,
AK

Bandwith on a Point-to-Multipoint Bridges

Hello everybody..
I`m already designing a point-to-multipoint bridging with Aironet 1300. On the central site I have a omnidirectional antenna and on the remote site integrated antenna. The question is: How much bandwith could I get if my topology is 1 central site a 5 remotes sites?
Does the 54Mbps bandiwith is share between 5 point or does each one could get 54 Mbps.?
Thanks in advance...

Hi Edgar,
Have a look at the following excerpt;
Point-to-Multipoint Bridging
In a point-to-multipoint configuration, two or more non-root bridges associate to a root bridge. Up to 17 non-root bridges can associate to a root bridge, but the non-root bridges must share the available bandwidth.
From this doc;
Cisco Aironet 1300 Series Outdoor Access Point/ Bridge
http://www.cisco.com/en/US/products/ps5861/products_configuration_guide_chapter09186a008021e5ca.html#wp1034650
Hope this helps!
Rob
Please remember to rate helpful posts.........

Troubleshooting Point to Multipoint Wireless Bridge

I have a customer which is a Small RV Park that has Four 1242 Dual Band Access Points with external outdoor antennae.   All 4 APs are configured with a client SSID on the 802.11G radio, and an Infrastructure SSID on the 802.11A radio interface.   The A band is being used for wireless backhaul from the 3 remote APs to a central AP configured as a Root Bridge.   The 3 remote APs are non-root bridges on the A Radio interface.
There are separate antenna on each AP for the 2.4ghz and the 5ghz bands. Directional patch antennae are on the remote APs on the A band pointing to an 5ghz Omni on the Root Bridge. On the 2.4ghz band that the client PCs use, their are either Omni or 180 degree patch antenna on those interfaces.
The issue I am having is keeping all three 802.11A back haul links up at the same time for an extended period.   I moved some of the 1242 APs in the park to get better client coverage, and all three remote radios worked with the backhaul link working at 54mbps. Then I started having issues with one radio dropping its backhaul link, while the other two remotes worked perfectly. Then a second AP backhaul link failed.   I was then able to reconnect the radio I was initially having issues with changing the root bridge channel selection from manual to DFS.
The Second remote AP still has not reconnected, but remote APs 1 an 3 are still up. I have checked the antenna alignment visually, and checked the connectors.   Even swapped out a spare AP. All 1242s are running the last software version put out for that model.
Any suggestions on how to troubleshoot this? When I do a shut/no shut on the dot11radio1 interface, I get a console message that it finds no radio to associate. The Infrastructure SSID has no security on it and open authentication. This is just for free internet access to anyone in the RV Park.

For the point to multipoint configuration follow the steps as per URL which may help you :
http://www.cisco.com/en/US/docs/wireless/access_point/1300/12.3_4_JA/configuration/guide/o13qos.html#wp1069898

Which cisco wireless bridges support point to multipoint

hi all i am really new to wireless. i am looking for information as which cisco wireless bridges support point to multipoint configuration.
i have a cisco 1230G access-point will it support the same .
any help would be great.
regards
sushil

The Cisco 1300's and 1400's support point-to-point and point-to-multipoint. The 1230G can only support point-to-point (i think)
http://www.cisco.com/en/US/products/hw/wireless/ps441/products_qanda_item09186a0080094644.shtml#q20

AP1522-Point to Multipoint

Does anyone know the distance that can be achieved with the 1522 ap in a point to multipoint configuration?

I couldn't say any exact distance. It depends on the conditions you are implementing it in. Approximately for point-multipoint it is 2-3 kms.

Configuration of a Point to MultiPoint link with Cisco Aironet 1310 bridges

Hi All,
The previous problem of which I started another conversation here:
http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Wireless%20-%20Mobility&topic=General&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1ddba023
somehow dissapeared. It could have been a problem of interferences.
I have another issue with other (multipoint) wireless WAN link, which I hope has a solution.
On the central node, we have an Cisco Aironet 1310 bridge configured as root-bridge. It has a panel of four vertical polarity 17 dBi panel 90? antennas, with more than enough gain (there is a 250 mWatts 802.11 b/g amplifier, before the 4-way splitter) and excellent line of sight to three remote bridges.
The three (03) remote bridges are also Aironet 1310 models, confidured as non-root-bridges.
The problem we have is that it seems that when the three remote links operate concurrently the amount of lost packets is huge. When I shutdown the radio interfaces of two bridges, the remaining bridge makes an excellent link with the central node.
It seems that some hours are more critical than others, also the links operate much worse when there is some (small) network traffic in them.
I have read the 1310 manuals, and I can't find a sample configuration for point to multi-point links.
Does someone knows what radio interface configuration should I need to use to establish better quality communication?
I mean, perhaps the 1 x root - 3 x no root configuration is not recommendable for the multipoint link configuration.
Any hints will be welcome.
Best Regards,
Igor Sotelo.

Hi All,
Thank you for the information. I configured the distance on the root bridges, but the links showed instability.
I'm using a bi-directional amplifier. It has two pieces. According to the manuals, one is installed indoors, the other outdoors. I'm not sure if the indoors piece has the transmition module or it's only the injector.
We could establish connection at 7 km (around 4 milles) distance from the central point, using 24 dBi antennas on the other side.
However, we have issues with a near located point that is only 1.2 Km (around 0.8 milles) away and has a 13 dBi integrated patch antenna. The signal strenght value we get there is in the -62 to -68 dBm range, and is noticiably (5-10 dBm) lower than the strenght we get at other points of the link. And I have trouble establishing a high quality link with that point, using OFDM modulation. I tend to think that if I remove the amplifier I'm not going to reach that point at all. The EIRP on the central iste is 34 dBm / 2.5 watts, without amplifier it would be 26 dBm / 0.4 watts.
On the opposite sites the EIRP is 33 dBm / 2 watts using CCK or 28 dBm / 0.63 watts using OFDM.
When one looks at the central site from that point, an Motorola Canopy with passive reflector (EIRP 48 dBm or around 64 watts) can be seen. It doesn't have the same direction, but the opposite site must be large distance and could interfere with my wireless network. Attached is an amplified photo of the view. It's safe to assume that the Canopy operates in the 2.4 GHz frequency range.
Once I connect the point at 1.2 Km, the multipoint link loses its quality, and soon the lost packets get too frequent.
The CCK seems to be much more interfered than OFDM, I guess because of that canopies.
Another thing I'm wondering about is if the Aironet 1310 can continuosly switch CCK-OFDM over the same point - multipoint link, without losing packets.
What other parameters should I tweak? Is there a way to avoid interferences fromt the canopy?
I would like to apply 100 mWatts local power using the radio with OFDM, but it seems that's not possible.
Best Regards,
Igor Sotelo.

Cisco Aironet 1410 Multipoint with Aironet 1310's

Hello,
We are currently expanding our wireless deployment that consists of two Aironet 1310's bridged together. We would like to hit an area in the opposite direction that is not too far away. Would replacing the 1310 in the root point with a 1410 as the root to provided point to multipoint be a feasible solution? This would make the 1410 the root bridging to two 1310's at opposite ends.
Thank you,
Rick

Hi,
Its not possible to MIX 1410 and 1310 together.. Since 1410 comes with A radio and 1310 comes with G radio and both are not compatible with each other!!
lemme know if this answered your question..
Regards
Surendra
====
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Cisco aironet 1310 Outdoor access point

I am looking at outdoor access points, I want to stick with Cisco aironet, we currently have 6 of them that are 6 years old and running great, one has had a problem because of humidity, dried it out and relocated and we are good again.
I was looking at the Aironet 1310 Outdoor access point, but I can't find much information on it. I am looking to see how many SSIDs can be setup, we currently have 2 one private, and one public, this is done with VLANS. I am also looking at finding out about the power injector, it converts to coaxial cable, it has 2 RJ-45 and 2 Coaxial, does this mean if we get 2 access points, then I only need 1 power injector?
Thanks for any help you can give.

Rusty:
AP supports up to 16 SSIDs to be configured.
Multiple SSIDs with VLANs configuration is done almost the same way you do with current Aironet APs.
see here: http://tiny.cc/0qwnkw
You also need one power injector per AP. Each AP should use it's own power injector.
The two coaxial output in the power injector both are used to be connected to the AP (see below image).
The RJ-45 connectors in the power injector one of them is for Console connectivity and the other for network ethernet connectivity.
Check here: http://tiny.cc/7gxnkw
HTH
Amjad
Rating useful replies is more useful than saying "Thank you"

Configuring Aironet 1310 as a wireless bridge!

I want to connect a specific SENSOR(IP DEVICE) to my network wirelessly!
{ The application is as simple as connecting a Trednet wireless adapter to the TV to access the HOME WIRELESS NETWORK to WATCH NETFLIX on INTERNET TV!
But my Client wants to use AIRONET 1310 bridge ONLY! This is where the problem starts! }
Currently the sensor connects to my office network via CAT 5 Cable, I intend to remove the long cable and use the 1310 bridge next to the sensor connected with a SMALL patch cable to provide the direct network connectivity and bypass the LONG cables to the switch!
I'm tired of trying to configure this bridge to connect to my office network. I just can't find the settings where I can configure the SSID and Security key of my office wireless network on the GUI for it to connect wirelessly.
Extra information:
Office Wireless AP : Linksys wrt54G
All the sensors are originally connected to a dedicated switch which is patched to the main network.
My computer connects wirelessly to the network and I can access the sensors on the same network(the PC and sensors need to be on the same subnet)
My office network has 7 such sensors and I'm experimenting with 1 sensor to go wireless( I know I would need 1bridge per sensor and it would be expensive, but thatz what the client wants!!!)
Thanks,
Viren Mathuria

I have setup the Aironet 1310 as a WGB. But the example shows open authentication for AP.
My AP which is a Linksys WRT54G has a WPA PERSONAL TKIP authentication.
Need some inputs on configuring the Authentication on WGB.
I looked at different options in :
Client Authenticated Key Management
AP Authentication
But nothing seems to work, specially when I tried the DEFINE CREDENTIALS in AP Authentication, it asks for a USERNAME(I just have the Authentication KEY)

AIRONET 1310 BRIDGE CONFIGURATION

Hi I desperately need help. I am trying to configure 2 Aironet 1310s as Root bridge and non-Root bridge. When I configure the root bridge the wireless interface remains up.When I try to configure the non-root bridge the AP/Bridge will assume the role of non-root bridge and immediately disable the wireless interface with line potocol down .I tried swapping the roles and still get the same proble. I am running IOS version 12.4(10b)JA

Hi
I finally made a breakthrough. The issue here is the internal antannae. It seems it does not work well. I tried to use the antannae from the linksys wireless router and enabled them, I one time got the radios associate. I connected to the network and was able to ping the Pcs on each end of the network.
Now what I am interested in finding out is why those radios cannot work with the internal antannae. The model I have is AIR-BR-1310-E-K9-R.Is this designed to come with an internal antanna. I was able to pick one bar from my laptop from within 5 metres from the bridge. so what is the issue with these radios.

Multiple Aironet 1310 AP's / One Wirless Network / How To???

I have been given six AiroNet 1310 access points and would like to create on one unified wireless network using some or all of them.
I am wondering what would be the best direction to start this. I assume they would have to be in some sort of "cluster" mode.
I guess whatever would be the easiest way to implement this would be what i am looking for.
The reason i need to do this is because it will be for a courthouse, we want to cover pretty much the entire building, (3 stories) and also outside.
Any suggestions, help, or how to do this would be appreciated. Thanks.
Oh and i know the AP's will need to get addresses from somewhere, so i planned to hook them into the existing network and give them static IP's, which is also where the network and internet parts come into play for the clients once this is up and running.
Thanks again.

If you need to configure the access point/bridge locally (without connecting the access point/bridge to a wired LAN), you can connect a PC to the Ethernet port on the long-reach power injector using a Category 5 Ethernet cable. You can use a local connection to the power injector's Ethernet port much as you would use a serial port connection.
Make sure that the PC you intend to use is configured to obtain an IP address automatically, or manually assign it an IP address within the same subnet as the access point/bridge IP address. For example, if you assigned the access point/bridge an IP address of 10.0.0.1, assign the PC an IP address of 10.0.0.20.
Step 1 Open your Internet browser. The wireless device web-browser interface is fully compatible with Microsoft Internet Explorer version 6.0 on Windows 98, 2000, XP platforms, and with Netscape version 7.0 on Windows 98, 2000, XP, and Solaris platforms.
Step 2 Enter the wireless device's IP address in the browser address line and press Enter. An Enter Network Password screen appears.
Step 3 Press Tab to bypass the Username field and advance to the Password field.
Step 4 Enter the case-sensitive password Cisco and press Enter. The Summary Status page appears.
Step 5 Click Express Setup
Step 6 Enter the configuration settings you obtained from your system administrator
Step 7 Click Apply to save your settings.
Step 8 Click Network Interfaces to browse to the Network Interfaces Summary page.
Step 9 Click the radio interface to browse to the Network Interfaces: Radio Status page.
Step 10 Click the Settings tab to browse to the Settings page for the radio interface.
Step 11 Click Enable to enable the radio.
Step 12 Click Apply.

CISCO aironet 1310 integrated antenna poor range

Hi
I am in Canada
I am trying to configure an AIRONET 1310 with INTEGRATED antenna
to work as an access point for clients on a campground
The range I get is awfull (50 feet and I loose the signal completly)
the aironet is outside and no tree are blocking it.
I configured it all by default exept :
-- in network interfaces : Radio0-802.11G Setting
-- I changed DATA RATES from Default to Best Range

Hi,
1300 Integrated antenna model comes with a Vertically polarized 13dBi gain antenna. The beam width is 36Â° E-plane by 38Â° H-plane.
Following is the range -
Americas
â¢ 865 feet (260 meters) at 54 Mbps
â¢ 3465 feet (1055 meters) at 11 Mbps
ETSI
â¢ 150 feet (45 meters) at 54 Mbps
â¢ 775 feet (235 meters) at 11 Mbps
TELEC
â¢ 485 feet (145 meters) at 54 Mbps
â¢ 1095 feet (330 meters) at 11 Mbps
So the range what you are getting is way too low.
Please check the orientation of the AP, the antenna is Vertically Polarized.
So the AP should be mounted vertically.
Second make a note at the beamwidth 36Â° E-plane by 38Â° H-plane. Make sure that all your clients are only in this coverage area. If its an open area and you want coverage for client overall the area probably I won't go with this AP being a sector antenna not providing coverage in all 360Â° H-Plane.
HTH
-> Sushil

Cisco Aironet 1310 series

hello all,
I have a cisco Aironet 1310 series which am having problem with the signal strength. This box came with 8 dbi Omni antenna gain and am told this can go upto 5km raduis. After configuring this equipment, i could not get a link when i move 500 meters. Please find attached the configs on the box. Any help given would be very much appreciated. Thank You

This 5KM distance is only going to be applicable in bridging situations. The following link shows how to use the distance calculations based on devices: http://www.cisco.com/en/US/products/hw/wireless/ps458/products_tech_note09186a008009459b.shtml
In theory, if you had a really strong direction antenna on your client you'd be able to get the 1310 as an access Point from 5km, but you'd need perfect line-of-site and you wouldn't be mobile...
As others had mentioned, if you're looking for an access point situation with that kind of range, then you need WiMax....
but if it is bridging you want, its just a matter of getting the other link to see this one (with a good enough antenna)

Aironet 1310 Point to Multipoint Configuration.

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