Rasika Nayanajith

Member Since: Feb 20, 2008

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Rasika Nayanajith commented on Problem with 802.1x in a flexconect AP (in iphone device) in Other Wireless - Mobility Subjects 5 hours ago

what software version you run on your WLC & what AP model in FlexConnect mode ? Have you narrow...

Rasika Nayanajith commented on Cannot see DHCP discover packets from 2504 controller in Getting Started with Wireless 5 hours ago

Hi Jim, Good to know that you enjoy reading my blog :) If possible pls attach that wireshark...

Rasika Nayanajith commented on Guest access with mobility controller in Security and Network Management 8 hours ago

Hi Cedric, On your 5508 anchor controller, did you enable "new mobility". Without that enable it,...

Rasika Nayanajith commented on How to find a dead radio on a 5760 controller in Other Wireless - Mobility Subjects 8 hours ago

Hi Craig, You should be able to find it easily. Try below CLI command & see 5760#show ap dot11...

Rasika Nayanajith commented on AP Migration from 4404 to 5508 in Getting Started with Wireless 8 hours ago

Good to hear you found the issue.  WLC name mismatch is the most common issue in scenario. Tks for...

Rasika Nayanajith commented on WLC 2504 and Aironet AP's on the same network in Getting Started with Wireless 9 hours ago

1. Are there any functions on the WLC that would impact traffic on the 2 client VLAN's that I'm...

Rasika Nayanajith commented on Cannot see DHCP discover packets from 2504 controller in Getting Started with Wireless 9 hours ago

Yes, it is capable as long as you configure interfaces properly. Which interface or vlan is mapped...

Rasika Nayanajith commented on AP Migration from 4404 to 5508 in Getting Started with Wireless 9 hours ago

once you telnet to AP, ensure it can reach new WLC and try changing primary wlc via CLI and see if...

Rasika Nayanajith commented on WLC DHCP for wireless clients behind layer3 hop. in Getting Started with Wireless 1 week ago

Hi Asad, You simply need to configure "ip helper address <dhcp_svr_ip>" on your wireless SVI...

Rasika Nayanajith commented on 5508 & 5520 Old vs. New Mobility and supported MC MA Roles in Other Wireless - Mobility Subjects 1 week ago

Converged Access (3850/3650 MA/MC) is no longer supported by Cisco. Last supported version is 16.3....

Rasika Nayanajith commented on 2600 aironet ap - setup new subnet in Getting Started with Wireless 1 week ago

You have to log onto each AP and change BVI interface IP, default gateway to match new subnet...

Rasika Nayanajith commented on AP takes too much time to rejoin the Cisco 5520 controller in Security and Network Management 1 week ago

so my question is weather it is a good practice to give primary IP for the controller in the AP...

Rasika Nayanajith commented on WLC 5508 fails 802.1x authentication when upgrading from version 7.4 to any version 8 OS in Other Wireless - Mobility Subjects 1 week ago

As per the below status code 66 indicate policy matching issue. Make sure appropriate EAP types are...

Rasika Nayanajith commented on AP conversion autonomous to light and networking behavior in Other Wireless - Mobility Subjects 1 week ago

simplest solution is get that vlan on to DHCP HTH Rasika

Rasika Nayanajith commented on Cisco AP setup help in Other Wireless - Mobility Subjects 1 week ago

Cisco/Cisco is the default login credential. Did you try it ?

Rasika Nayanajith commented on the pattern of replacing 4506 (when it goes wrong) in LAN, Switching and Routing 1 week ago

Refer this page and find the configuration guide that matches software version you use in your 4506...

Rasika Nayanajith commented on cisco prime infrastructure 3.1 Maps in Getting Started with Wireless 2 weeks ago

You can't skip those steps. In prime, you have to create campus, building prior to create floor...

Rasika Nayanajith commented on Next RADIUS if fail authentication in Security and Network Management 2 weeks ago

Yes, in Cisco WLC, fail over works  when primary RADIUS is not reachable/ or responding. HTH Rasika

Rasika Nayanajith commented on Cisco AP setup help in Other Wireless - Mobility Subjects 2 weeks ago

Kindly interesting some assistance. Did we get a wrong device (needs a WLC?) Yes, by looking at...

Rasika Nayanajith commented on Next RADIUS if fail authentication in Security and Network Management 2 weeks ago

NO, You get Access-Reject from first RADIUS server & that's pretty much it. Only first sever...

Rasika Nayanajith commented on Netflow configuration in WLC and its visibility in cisco Prime in Other Wireless - Mobility Subjects 1 month ago

Do we need to have a dedicated netflow exporter tool like solarwinds? or can anyone answer me how...

Rasika Nayanajith commented on Manual Channel Setting on 3802e wireless router in Getting Started with Wireless 1 month ago

Hi Pls refer below details, It appear that certain regulatory domain AP support DFS, not all...

Rasika Nayanajith commented on Cisco 3850 acting as a Mobility Anchor controller for Guest in Other Wireless - Mobility Subjects 1 month ago

Hi  Pls find it in below document http://www.cisco.com/en/US/docs/switches/lan/catalyst3850/...

Rasika Nayanajith commented on Migrating Access Points from Catalyst 3650 IOS-XE to CT-5520 Aire-OS in Other Wireless - Mobility Subjects 1 month ago

Hi Pete, Simply put those AP onto another vlan other than wireless management vlan of 3650. As long...

Rasika Nayanajith commented on Cisco 3850 acting as a Mobility Anchor controller for Guest in Other Wireless - Mobility Subjects 1 month ago

3850 cannot act as "Guest Anchor" controller. HTH Rasika *** Pls rate all useful responses ***

Rasika Nayanajith commented on Autonomous AP for 1700 series in Getting Started with Wireless 1 month ago

If you using below method, not need to rename files https://mrncciew.com/2012/10/20/lightweight-to-...

Rasika Nayanajith commented on Manual Channel Setting on 3802e wireless router in Getting Started with Wireless 1 month ago

Yes, you are able to set channel statically. But important to decide how you manage this AP ?...

Rasika Nayanajith commented on How can i power up 1572 outdoor AP (AP1572EC)? Urgent in Getting Started with Wireless 1 month ago

Hope below link is useful to clarify different powering options http://www.cisco.com/c/en/us/td/...

Rasika Nayanajith commented on Too large IP subnets for wireless clients ? in Wireless IP Voice and Video 1 month ago

This is not looking good.  do you see high channel utilization in this network ? If you forward all...

Rasika Nayanajith commented on Too large IP subnets for wireless clients ? in Wireless IP Voice and Video 1 month ago

what WLC model in use ? If it is 5508, then keep 7K is the max client limit. So even you allocate /...

Rasika Nayanajith commented on WLC 2504 Managment IP address in not pinging sometimes. in Security and Network Management 1 month ago

What is the software version running on your 2504 ? To what type of switch you have connected this...

Rasika Nayanajith commented on Cisco AP 1562i 3x3 in Other Wireless - Mobility Subjects 1 month ago

From your WLC CLI, you can verify AP supported spatial streams as shown below. In below it is 3702...

Rasika Nayanajith commented on LAP is not broadcasting the SSID in Other Wireless - Mobility Subjects 1 month ago

I would check 802.11a/b network is enabled. "show 802.11a" and "show 802....

Rasika Nayanajith commented on Host xx in vlan yy is flapping between port Gi1/0/32 and port Gi1/0/33 in Wireless IP Voice and Video 1 month ago

Hi Marco, I would think it is due to mac address aging time of your switch. By default it is 300s...

Rasika Nayanajith commented on Max retransmission count reached! in Security and Network Management 1 month ago

Looks like AP having trouble of registering to WLC. I would check AP got IP and has reachability to...

Rasika Nayanajith commented on Wirless Routing / Local Breakout in Other Wireless - Mobility Subjects 1 month ago

AP is simply L2 device, so it does not do routing. As long as your AP connect to a swichport which...

Rasika Nayanajith commented on Cisco AP 1562i 3x3 in Other Wireless - Mobility Subjects 1 month ago

Hi Muaaz, See below for clarification. http://www.cisco.com/c/en/us/td/docs/wireless/access_point/...

Rasika Nayanajith commented on Radio is disabled. Turn ON radio to enable CleanAir functionality in Getting Started with Wireless 1 month ago

Pls check the radio status of the AP. As message said, since radio is down, not able to run clean...

Rasika Nayanajith commented on Prime reports inventory switch names in Getting Started with Wireless 1 month ago

Hi Mal, Hope below thread should provide you the answer you looking for https://supportforums.cisco...

Rasika Nayanajith commented on softphone and interactive video over Wi-Fi in Wireless IP Voice and Video 1 month ago

I do not think there is any guide Cisco published on this topic specific to PCs running softphone....

Rasika Nayanajith commented on Multiple VLANs assignment by Cisco ISE1.4 for single SSID over local mode LWAP in Security and Network Management 1 month ago

Can i assign different VLANs (VLAN10 for Engineer, VLAN20 for Manager) to the clients connected...

Rasika Nayanajith commented on Dear csico in Security and Network Management 1 month ago

You have posted it in a wrong place

Rasika Nayanajith commented on What is 802.11bn? in Getting Started with Wireless 1 month ago

Hi Jeet, I remember you :) I think it is a software issue or may be AP model specific. Do you...

Rasika Nayanajith commented on 5760/3850 APs don't switch to 40Mhz channel width in Getting Started with Wireless 1 month ago

"ap dot11 5ghz rrm channel dca chan-width 40" should do it. HTH Rasika

Rasika Nayanajith commented on WLC5520 SSO HA requirements on the switch side in Getting Started with Wireless 1 month ago

Yes, that's true Michael. HTH Rasika

Rasika Nayanajith commented on Can't enable 5GHz Radio on AP AIR-AP2702I-UXK9, and extreme low speed on 802.11n radio in Getting Started with Wireless 1 month ago

First you have to prime this AP to country where you are in. Refer below for that http://www.cisco....

Rasika Nayanajith commented on Frequent Transmit Power Cisco Lightweight APs in Other Wireless - Mobility Subjects 1 month ago

By default it is in every 600s (10min) http://www.cisco.com/c/en/us/td/docs/wireless/controller/...

Rasika Nayanajith commented on P2P Blocking Drop on WLC will be ignored in Other Wireless - Mobility Subjects 1 month ago

Is this across multiple WLCs ? I think this feature works for clients on same WLC HTH Rasika

Rasika Nayanajith commented on AP Join vWLC in Other Wireless - Mobility Subjects 1 month ago

Hi Daniel, Is it enough for me to make the DHCP option 43 to make the 25 new APs to join the...

Rasika Nayanajith commented on FlexConnect for 5760? in Other Wireless - Mobility Subjects 1 month ago

No, It will be not supported. By the way 5760 is EoL, so do not expect any new features with that...

Bio

I have being working with Cisco product since 2003 when I started my career as Engineer- Corporate Technical solutions for MPLS service provider in Sri Lanka.

After 4 years, moved to a solution Integrating company in Dubai & did my CCIE in R&S in 2008 (#22989) .In 2009 moved to Australia & currently working for La Trobe University in Melbourne as Team Leader Networks. Did CCIE Wireless in 2013.

My favorite topics are QoS, Multicast in Cisco wired & wireless environment.

Since 2015, I am practicing Vipassana meditation and trying to live in the present moment.

If you need to learn more about what I am doing, please follow me on my blog http://mrncciew.com

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