topic Re: No SSID are Broadcasting in Wireless

No SSID are Broadcasting

jmarshman — Sun, 04 Jul 2021 04:24:46 GMT

Hello,

I was wondering if someone out there could help me with a problem with our WLAN. We recently received our WLC 5508, AP and switches to setup our WLAN but I'm having trouble getting it all to work. It's been months since the course and I'm having trouble troubleshooting the problem.

I've setup the WLC, AP and switches and I have network connectivity to all. The WLC see's my AP and I have all my WLAN and interfaces configured (SSID broadcast is enabled) but I still don't see any SSID coming from the AP.

Help!

Re: No SSID are Broadcasting

blakekrone — Thu, 19 Jan 2012 17:16:47 GMT

Have you setup any AP groups? What version code?

edit...Scott beat me to it, but yes check to make sure your 802.11a and/or 802.11b/g networks are enabled under the Wireless section.

Re: No SSID are Broadcasting

Scott Fella — Thu, 19 Jan 2012 17:17:36 GMT

Make sure you have the 802.11an and 802.11bgn radios enabled. If your using ap groups, make sure you have added the AP's and SSIDs to the correct ap group. You do see all you AP's up and radios show up or down?

Thanks,

Scott Fella

Sent from my iPhone

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 17:23:23 GMT

To make things easy I only have one AP up so far and the operational status is "up"

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 17:24:40 GMT

Operational status of the ap is "up" and I'm not using AP groups.

No SSID are Broadcasting

Scott Fella — Thu, 19 Jan 2012 17:25:58 GMT

Your SSID enabled?

No SSID are Broadcasting

blakekrone — Thu, 19 Jan 2012 17:27:44 GMT

Can you post the output of show wlan , show ap config 802.11a summary, show ap config 802.11b summary?

Re: No SSID are Broadcasting

Scott Fella — Thu, 19 Jan 2012 17:31:11 GMT

Is it an ap with external anetnna? Do you have antenna's installed on that AP? If so, I don't know if they are dual mode or not, but make sure the antennas are on the correct antenna ports. Usually the blue bot is the 5ghz.

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 17:31:18 GMT

(Cisco Controller) >show wlan summary

Number of WLANs.................................. 3

WLAN ID WLAN Profile Name / SSID Status Interface Name

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

104 CPHO_WLAN / CPHO Enabled cpho_int

105 EOC_WLAN / EOC Enabled eoc_int

199 Guest_WLAN / Guest Enabled guest_int

(Cisco Controller) >show ap config 802.11a summary

AP Name SubBand RadioMAC Status Channel PwLvl SlotId

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

AP2894.0f39.1516 - 0c:85:25:df:07:80 ENABLED 149 1 1

(Cisco Controller) >show ap config 802.11b summary

AP Name SubBand RadioMAC Status Channel PwLvl SlotId

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

AP2894.0f39.1516 - 0c:85:25:df:07:80 ENABLED 11 1 0

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 17:32:46 GMT

We have AIR-CAP3502I-A-K9 devices with internal antenna.

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 17:37:49 GMT

here is a more detailed show wlan

WLAN Identifier.................................. 199

Profile Name..................................... Guest_WLAN

Network Name (SSID).............................. Guest

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......................... 0

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

Session Timeout.................................. 1800 seconds

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

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

Interface........................................ guest_int

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

--More-- or (q)uit

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.............................. 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..................... Drop

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

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

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

Radius Servers

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

--More-- or (q)uit

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)............................... 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

--More-- or (q)uit

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

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

Re: No SSID are Broadcasting

Scott Fella — Thu, 19 Jan 2012 17:42:31 GMT

Well looks like it should be working... maybe a bad AP. I would try a different one and see.

Re: No SSID are Broadcasting

Stephen Rodriguez — Thu, 19 Jan 2012 17:46:38 GMT

Jason,

the defaul AP group will only broadcast for WLAN 1-16. Your WLAN are running as 104,105 and 199. You need to create a new AP group, and add the WLAN(s) to it. Then when you put the AP in the group it should start working.

Steve

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 17:47:36 GMT

This is the second AP I've tried.

Here is a little more detail as to the network setup...

The AP is connected to a 3560 (configured as access port on vlan 2), the 3560 is connected to a 3750 via a fiber connection configured as a trunk to allow all vlans. The WLC (version

7.0.220.0) is connected to the 3750 as a LAG port 1/2 (port channel 1 configured on 3750).

VLAN 2 is used for all AP and it gets its DHCP (option 43/60) from the 3750.

Re: No SSID are Broadcasting

blakekrone — Thu, 19 Jan 2012 17:49:13 GMT

Good catch, I was just looking at that myself when I saw the config. I've seen that before with people wanting to match the WLAN ID to your VLAN ID. Doesn't work out that well unless you create the ap groups!

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 17:50:25 GMT

I'm going to create a new AP group and try it again. I'll keep you posted.

I'd also like to mention that the training I took was with the 4400 series running older code, thus making the traing manuals useless.

No SSID are Broadcasting

Scott Fella — Thu, 19 Jan 2012 17:50:34 GMT

Yeah I agree... I have never seen that being done.

No SSID are Broadcasting

Scott Fella — Thu, 19 Jan 2012 17:55:26 GMT

There are a lot of tech guides on CCO that is very usefull. The 4400 is pretty similar, but again, not everything will match up.

http://www.cisco.com/en/US/tech/tk722/tk809/tech_configuration_examples_list.html

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 17:57:31 GMT

I decided to remove the WLAN ID and set them to 1 - 3, that seem to fix the issue.

Thanks for all the help,

It was funny but when you sent you reply I had a flash of the course and I remembered that the instructor had said no to do that.

Thanks again for all the help

No SSID are Broadcasting

jmarshman — Thu, 19 Jan 2012 18:05:28 GMT

I do have one more question,

How do you stop certain AP from broadcasting certain SSID's?