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VIP Purple

Multiple access point with same SSID but all connections goes to only one access point

Hello,

I have six multiple access points with same SSID, installed within as per the site survey report.

AP Name                        AP Model      

EBEAP001              AIR-LAP1242AG-E-K9

EBEAP002              AIR-LAP1242AG-E-K9

EBEAP003              AIR-LAP1242AG-E-K9

EBEAP004              AIR-LAP1242AG-E-K9

EBEAP005              AIR-LAP1242AG-E-K9

EBEAP006              AIR-LAP1242AG-E-K9

95-99% Clent connection goes to EBEAP006.

There are many clients which arv very near to AP1, AP2 and AP3.

Any thoughts on why this is happening ?

Regards

Everyone's tags (5)
2 REPLIES

Multiple access point with same SSID but all connections goes to

The clients will always be connected to AP whose signal power is best of all, if same SSID is being broadcast!!

VIP Purple

Re: Multiple access point with same SSID but all connections goe

HI Saurav,

Agree with you but this AP 6 is too far from the clients still they are connecting with it.

AP1, AP2 and AP3 are 5-10 meter far from client.

Here si the config of AP and WLAN:

-----------------------------------------------------------------------------------------

(Cisco Controller) >show ap config 802.11b EBEAP001

Cisco AP Identifier.............................. 9

Cisco AP Name.................................... EBEAP001

Country code..................................... .........xxxxxxxxx

Regulatory Domain allowed by Country............. 802.11bg:-E     802.11a:-E

AP Country code.................................. xxxxxxxxxx

AP Regulatory Domain............................. -E

Switch Port Number .............................. 1

MAC Address...................................... 68:ef:bd:e3:67:78

IP Address Configuration......................... Static IP assigned

IP Address....................................... 10.47.80.11

IP NetMask....................................... 255.255.255.0

Gateway IP Addr.................................. 10.47.80.254

Domain...........................................

Name Server......................................

NAT External IP Address.......................... None

CAPWAP Path MTU.................................. 1485

Telnet State..................................... Enabled

Ssh State........................................ Disabled

Cisco AP Location................................ Ebermannsdorf

Cisco AP Group Name.............................. default-group

Primary Cisco Switch Name........................ EBCWLAN1

Primary Cisco Switch IP Address.................. 10.47.80.1

Secondary Cisco Switch Name...................... EBCWLAN2

Secondary Cisco Switch IP Address................ 10.47.80.3

Tertiary Cisco Switch Name.......................

Tertiary Cisco Switch IP Address................. Not Configured

Administrative State ............................ ADMIN_ENABLED

Operation State ................................. REGISTERED

Mirroring Mode .................................. Disabled

AP Mode ......................................... Local

Public Safety ................................... Disabled

AP SubMode ...................................... Not Configured

Remote AP Debug ................................. Disabled

Logging trap severity level ..................... informational

Logging syslog facility ......................... kern

S/W  Version .................................... 7.0.240.0

Boot  Version ................................... 12.4.13.0

Mini IOS Version ................................ 3.0.51.0

Stats Reporting Period .......................... 180

LED State........................................ Enabled

PoE Pre-Standard Switch.......................... Disabled

PoE Power Injector MAC Addr...................... Disabled

Power Type/Mode.................................. Power injector / Normal mode

Number Of Slots.................................. 2

AP Model......................................... AIR-LAP1242AG-E-K9

AP Image......................................... C1240-K9W8-M

IOS Version...................................... 12.4(23c)JA7

Reset Button..................................... Enabled

AP Serial Number................................. FCZ141880R6

AP Certificate Type.............................. Manufacture Installed

AP User Mode..................................... AUTOMATIC

AP User Name..................................... admin

AP Dot1x User Mode............................... Not Configured

AP Dot1x User Name............................... Not Configured

Cisco AP system logging host..................... 255.255.255.255

AP Up Time....................................... 12 days, 14 h 00 m 32 s

AP LWAPP Up Time................................. 1 days, 23 h 20 m 20 s

Join Date and Time............................... Tue Oct 22 09:20:02 2013

Join Taken Time.................................. 0 days, 00 h 00 m 25 s

Attributes for Slot  0

    Radio Type................................... RADIO_TYPE_80211g

    Administrative State ........................ ADMIN_ENABLED

    Operation State ............................. UP

    Radio Role .................................. ACCESS

    CellId ...................................... 0

    Station Configuration

      Configuration ............................. AUTOMATIC

      Number Of WLANs ........................... 2

      Medium Occupancy Limit .................... 100

      CFP Period ................................ 4

      CFP MaxDuration ........................... 60

      BSSID ..................................... 00:3a:98:87:bc:40

      Operation Rate Set

        1000 Kilo Bits........................... MANDATORY

        2000 Kilo Bits........................... MANDATORY

        5500 Kilo Bits........................... MANDATORY

        11000 Kilo Bits.......................... MANDATORY

        6000 Kilo Bits........................... SUPPORTED

        9000 Kilo Bits........................... SUPPORTED

        12000 Kilo Bits.......................... SUPPORTED

        18000 Kilo Bits.......................... SUPPORTED

        24000 Kilo Bits.......................... SUPPORTED

        36000 Kilo Bits.......................... SUPPORTED

        48000 Kilo Bits.......................... SUPPORTED

        54000 Kilo Bits.......................... SUPPORTED

      Beacon Period ............................. 100

      Fragmentation Threshold ................... 2346

      Multi Domain Capability Implemented ....... TRUE

      Multi Domain Capability Enabled ........... TRUE

      Country String ............................ xxxxxx

    Multi Domain Capability

      Configuration ............................. AUTOMATIC

      First Chan Num ............................ 1

      Number Of Channels ........................ 13

    MAC Operation Parameters

      Configuration ............................. AUTOMATIC

      Fragmentation Threshold ................... 2346

      Packet Retry Limit ........................ 64

    Tx Power

      Num Of Supported Power Levels ............. 7

      Tx Power Level 1 .......................... 17 dBm

      Tx Power Level 2 .......................... 14 dBm

      Tx Power Level 3 .......................... 11 dBm

      Tx Power Level 4 .......................... 8 dBm

      Tx Power Level 5 .......................... 5 dBm

      Tx Power Level 6 .......................... 2 dBm

      Tx Power Level 7 .......................... -1 dBm

      Tx Power Configuration .................... AUTOMATIC

      Current Tx Power Level .................... 1

    Phy OFDM parameters

      Configuration ............................. AUTOMATIC

      Current Channel ........................... 1

      Extension Channel ......................... NONE

      Channel Width.............................. 20 Mhz

      Allowed Channel List....................... 1,2,3,4,5,6,7,8,9,10,11,12,

        ......................................... 13

      TI Threshold .............................. -50

      Antenna Type............................... EXTERNAL_ANTENNA

      External Antenna Gain (in .5 dBi units).... 4

      Diversity.................................. DIVERSITY_ENABLED

    Performance Profile Parameters

      Configuration ............................. AUTOMATIC

      Interference threshold..................... 10 %

      Noise threshold............................  -70 dBm

      RF utilization threshold................... 80 %

      Data-rate threshold........................ 1000000 bps

      Client threshold........................... 24 clients

      Coverage SNR threshold..................... 12 dB

      Coverage exception level................... 25 %

      Client minimum exception level............. 3 clients

    Rogue Containment Information

    Containment Count............................ 0

    CleanAir Management Information

        CleanAir Capable......................... No

----------------------------------------------------------------------------------------------

(Cisco Controller) >show wlan 1

WLAN Identifier.................................. 1

Profile Name..................................... BDE

Network Name (SSID).............................. BDE

Status........................................... Enabled

MAC Filtering.................................... Disabled

Broadcast SSID................................... Enabled

AAA Policy Override.............................. Disabled

Network Admission Control

  Radius-NAC State............................... Disabled

  SNMP-NAC State................................. Disabled

  Quarantine VLAN................................ 0

Maximum number of Associated Clients............. 0

Number of Active Clients......................... 17

Exclusionlist Timeout............................ 60 seconds

Session Timeout.................................. Infinity

CHD per WLAN..................................... Enabled

Webauth DHCP exclusion........................... Disabled

Interface........................................ bde

Multicast Interface.............................. Not Configured

WLAN ACL......................................... unconfigured

DHCP Server...................................... Default

DHCP Address Assignment Required................. Disabled

Static IP client tunneling....................... Disabled

Quality of Service............................... Silver (best effort)

Scan Defer Priority.............................. 4,5,6

Scan Defer Time.................................. 100 milliseconds

WMM.............................................. Allowed

WMM UAPSD Compliant Client Support............... Disabled

Media Stream Multicast-direct.................... Disabled

CCX - AironetIe Support.......................... Enabled

CCX - Gratuitous ProbeResponse (GPR)............. Disabled

CCX - Diagnostics Channel Capability............. Disabled

Dot11-Phone Mode (7920).......................... Disabled

Wired Protocol................................... None

IPv6 Support..................................... Disabled

Passive Client Feature........................... Disabled

Peer-to-Peer Blocking Action..................... Disabled

Radio Policy..................................... All

DTIM period for 802.11a radio.................... 1

DTIM period for 802.11b radio.................... 1

Radius Servers

   Authentication................................ Global Servers

   Accounting.................................... Global Servers

   Dynamic Interface............................. Disabled

Local EAP Authentication......................... Disabled

Security

   802.11 Authentication:........................ Open System

   Static WEP Keys............................... Disabled

   802.1X........................................ Disabled

   Wi-Fi Protected Access (WPA/WPA2)............. Enabled

      WPA (SSN IE)............................... Enabled

         TKIP Cipher............................. Enabled

         AES Cipher.............................. Disabled

      WPA2 (RSN IE).............................. Enabled

         TKIP Cipher............................. Disabled

         AES Cipher.............................. Enabled

                                                               Auth Key Management

         802.1x.................................. Disabled

         PSK..................................... Enabled

         CCKM.................................... Disabled

         FT(802.11r)............................. Disabled

         FT-PSK(802.11r)......................... Disabled

FT Reassociation Timeout......................... 20

FT Over-The-Air mode............................. Enabled

FT Over-The-Ds mode.............................. Enabled

CCKM tsf Tolerance............................... 1000

   CKIP ......................................... Disabled

   Web Based Authentication...................... Disabled

   Web-Passthrough............................... Disabled

   Conditional Web Redirect...................... Disabled

   Splash-Page Web Redirect...................... Disabled

   Auto Anchor................................... Disabled

   H-REAP Local Switching........................ Disabled

   H-REAP Local Authentication................... Disabled

   H-REAP Learn IP Address....................... Enabled

   Client MFP.................................... Optional

   Tkip MIC Countermeasure Hold-down Timer....... 60

Call Snooping.................................... Disabled

Roamed Call Re-Anchor Policy..................... Disabled

SIP CAC Fail Send-486-Busy Policy................ Enabled

SIP CAC Fail Send Dis-Association Policy......... Disabled

Band Select...................................... Disabled

Load Balancing................................... Disabled

Mobility Anchor List

WLAN ID     IP Address            Status

-------     ---------------       ------

Power level of all APs are:

    Tx Power

      Num Of Supported Power Levels ............. 7

      Tx Power Level 1 .......................... 17 dBm

      Tx Power Level 2 .......................... 14 dBm

      Tx Power Level 3 .......................... 11 dBm

      Tx Power Level 4 .......................... 8 dBm

      Tx Power Level 5 .......................... 5 dBm

      Tx Power Level 6 .......................... 2 dBm

      Tx Power Level 7 .......................... -1 dBm

      Tx Power Configuration .................... AUTOMATIC

      Current Tx Power Level .................... 1

Regards

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