Saravanan Lakshmanan

Member Since: Aug 20, 2011

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Saravanan Lakshmanan commented on Continuous PARSE-ERROR and HTTP_REQ_BEGIN_ERR messages on 2504 Controller in Getting Started with Wireless 2 months ago

What code does 2500 run. If no functional issues associated with webauth then it could be cosmetic...

Saravanan Lakshmanan commented on Connect WLC 2504 to SF500 series switch in Other Wireless - Mobility Subjects 9 months ago

yes, use management vlan tag = 0 on 2500 side. On the switch side set native vlan to X but not 0 ie...

Saravanan Lakshmanan commented on Multicast client on flexconnect AP in Other Wireless - Mobility Subjects 9 months ago

By default multicast is disabled for overridden interface in local switching.Please enable “config...

Saravanan Lakshmanan commented on How to handle code migration, contain network outage and incident in Getting Started with Wireless 10 months ago

//If no issues expected or issue expect to happen once then irrespective of AP-fallback config the...

Saravanan Lakshmanan commented on WLC Upgrade techniques in Other Wireless - Mobility Subjects 10 months ago

How to handle code migration, contain network outage and incidenthttps://supportforums.cisco.com/...

Saravanan Lakshmanan commented on WLC 4400: 802.1x with Radius auth and dyn. VLAN: Interface Groups needs an exact If order? in Getting Started with Wireless 1 year ago

Yes, WLC should use management interface as source even with interface group mapped to SSID.Do we...

Saravanan Lakshmanan commented on WLC 4400: 802.1x with Radius auth and dyn. VLAN: Interface Groups needs an exact If order? in Getting Started with Wireless 1 year ago

#could you place rum_235_admin as first entry and see if it sources via 235.#Did you try Radius...

Saravanan Lakshmanan commented on WLC 4400: 802.1x with Radius auth and dyn. VLAN: Interface Groups needs an exact If order? in Getting Started with Wireless 1 year ago

Working and non-working interface group has same order of interface shown, couldn't see an...

Saravanan Lakshmanan commented on AIR-CAP2602I-E-K9 - AP "Failed to store image" in Other Wireless - Mobility Subjects 1 year ago

*Sep 11 10:47:59.499: %CAPWAP-6-AP_IMG_DWNLD: Required image not found on AP. Downloading image...

Saravanan Lakshmanan commented on Faulty 3702 AP? in Other Wireless - Mobility Subjects 1 year ago

#if possible console into AP and get - show cont d1, show cont d1 | i reset, more event.log. these ...

Saravanan Lakshmanan commented on WLC 4400: 802.1x with Radius auth and dyn. VLAN: Interface Groups needs an exact If order? in Getting Started with Wireless 1 year ago

#Technically, WLC shouldn't even look at the SSID mapped interface to select the source interface...

Saravanan Lakshmanan commented on 8510s that slow down all L2 networks they connect to in Other Wireless - Mobility Subjects 1 year ago

Please touch base with TAC/BU for fix/workaround/code update suggestions.Also, to stay on top,...

Saravanan Lakshmanan commented on 8510s that slow down all L2 networks they connect to in Other Wireless - Mobility Subjects 1 year ago

On 8.1, They've moved the AVC filter/policy to the edge ie., on AP so that WLC doesn't have to...

Saravanan Lakshmanan commented on 8510s that slow down all L2 networks they connect to in Other Wireless - Mobility Subjects 1 year ago

#AVC is done at WLC on AireOS until 8.0 unlike 8.1 and Converged access is on AP(not MA).http://www...

Saravanan Lakshmanan commented on 8510s that slow down all L2 networks they connect to in Other Wireless - Mobility Subjects 1 year ago

 Have you enabled AVC, Does the issue go away once AVC disabled on WLC. 

Saravanan Lakshmanan commented on Need to relogin web auth again and again in Getting Started with Wireless 1 year ago

This option not available on old wlc version. Guess the default is one hr. and we're stuck with it...

Saravanan Lakshmanan commented on 2504 WLC and Android Phone Can't obtain IP Address in Getting Started with Wireless 1 year ago

its weird, why wlc blocks dhcp request/response for specific client. if possible could you post the...

Saravanan Lakshmanan commented on Cisco wireless controller 4402 software donwgrade in Getting Started with Wireless 1 year ago

"FTP failed during storing in flash" - It is flash/software issue, talk to TAC.

Saravanan Lakshmanan commented on Slow perfomance of wireless when directly under the AP in Getting Started with Wireless 1 year ago

#Generally, most of the AP's with highpower in the same area might see poor voice quality/...

Saravanan Lakshmanan commented on AP 3602 not joined on WLC 2500 . in Getting Started with Wireless 1 year ago

WLC code - 7.6.130.0.AP code - "flash:/ap3g2-k9w8-mx.152-4.JB6/ap3g2-k9w8-xx.152-4.JB6"AP running...

Saravanan Lakshmanan commented on 2602 Access point Could Not resolve CISCO-CAPWAP-CONTROLLER in Other Wireless - Mobility Subjects 1 year ago

out of box AP restriction:-https://me2learn.wordpress.com/2014/08/03/wlc-out-of-box/http://www....

Saravanan Lakshmanan commented on 2602 Access point Could Not resolve CISCO-CAPWAP-CONTROLLER in Other Wireless - Mobility Subjects 1 year ago

initial debugs showing this:*Mar  1 00:02:56.639: %CAPWAP-3-STATIC_TO_DHCP_IP: Could not discover...

Saravanan Lakshmanan commented on CAP1602I-N-K9 bandwidth issue wifi users. in Other Wireless - Mobility Subjects 1 year ago

on wlan, set wmm required + wpa2-aes.are w.less clients N capable.on wireless client, What's the...

Saravanan Lakshmanan commented on 8510s that slow down all L2 networks they connect to in Other Wireless - Mobility Subjects 1 year ago

show port stats from wlc and 7k. does wlc msglog shows specific error message associated to the...

Saravanan Lakshmanan commented on Is there any real way to get access points to stick to a specific controller? in Other Wireless - Mobility Subjects 1 year ago

AP should have both ip and wlc name configured on primary/sec.Rebooting the AP may bring it back to...

Saravanan Lakshmanan commented on WLC "rogue containment" - What does it actually do? in Security and Network Management 1 year ago

#802.11w/mfp doesn't work with open/tkip/wep enabled wlan. It works only with WPA2-PSK or WPA2-802....

Saravanan Lakshmanan commented on 7.5 web-auth client sleep timer feature in Other Wireless - Mobility Subjects 2 years ago

what you're seeing is right.//Sleeping client feature was developed to work only for WLAN with Web...

Saravanan Lakshmanan commented on error RTOS update for Cisco Wireless Controller AIR-CT2500-K9 in Security and Network Management 2 years ago

you need rtos and symbol file to accomplish, call tac to get those files to complete the procedure...

Saravanan Lakshmanan commented on 2 SSID one with blacklist other with white list in Security and Network Management 2 years ago

the 100 ipads anyway does not know the password for ssid1, so no need to make any change.yes, mac...

Saravanan Lakshmanan commented on dhcpd.c:301 Received a packet without a requested ip!. (%DHCP-4-REQIP_NOT_PRESENT) in Other Wireless - Mobility Subjects 2 years ago

how many clients are getting or trying to get dhcp ip from wlc's internal dhcp server.use external...

Saravanan Lakshmanan commented on Multicast WLC5508 version 7.6 in Other Wireless - Mobility Subjects 2 years ago

multicast having issues with AP models 1240 and 1130 running 7.6. however, it should work on 7.4...

Saravanan Lakshmanan commented on Second WLC 5508 for HA N+1 with Mesh Network in Getting Started with Wireless 2 years ago

yes, wlcs can be on different sites. be sure to configure primary, secondary wlc name and ip on...

Saravanan Lakshmanan commented on anchor ssid in Getting Started with Wireless 2 years ago

from foreign wlc we can see to what wlc it is anchored to but vice versa cannot be seen since it is...

Saravanan Lakshmanan commented on Guest WLAN authentication page doesn't appear in Getting Started with Wireless 2 years ago

enable tcp mss on wlc for APs and try

Saravanan Lakshmanan commented on 5508 WLC Unexpected Restart- Reaper Reset: Task PMIPV6 in Getting Started with Wireless 2 years ago

looks like you are running 7.4 engg special code, please contact TAC to work on fix.attach show run...

Saravanan Lakshmanan commented on WLC Proxy ARP Fail in Getting Started with Wireless 2 years ago

7.2 is an old code, try with latest 7.4 code.when the issue seen run below debug:wlc>debug arp...

Saravanan Lakshmanan commented on QoS per SSID using anchor controller in Other Wireless - Mobility Subjects 2 years ago

 I also read that per SSID and per user rate-limiting was a per AP feature. That would mean we...

Saravanan Lakshmanan commented on Does using Multicast Mode reduce network overhead of link-local multicast (e.g., mDNS/mDNS-SD or v6 ND)? in Getting Started with Wireless 2 years ago

#1 Yes. on capwap, WLC's mgmt as source and destination be the group address.*that's why when the...

Saravanan Lakshmanan commented on Does using Multicast Mode reduce network overhead of link-local multicast (e.g., mDNS/mDNS-SD or v6 ND)? in Getting Started with Wireless 2 years ago

wlc 2500 supports only ap mode multicast. use flexconnect, if required.from 7.5 code, WLC treats...

Saravanan Lakshmanan commented on WLC and IP helper without gateway in Security and Network Management 2 years ago

yes, unfortunately it is mandatory to have an valid g.way ip for all interfaces on wlc.you could...

Saravanan Lakshmanan commented on VLAN Select - Interface dirty - Index based on Mac Address in Security and Network Management 2 years ago

these requests are geniune and should have been available, enhancement request filed asking these...

Saravanan Lakshmanan commented on IDS Signature attack detected in Security and Network Management 2 years ago

psk can be incorrect or it could not handle the combination of wpa and wpa2 enabled. try with wpa2...

Saravanan Lakshmanan commented on IDS Signature attack detected in Security and Network Management 2 years ago

are reported on this client only or other client with similar model/type/config/driver also...

Saravanan Lakshmanan commented on Radius request source interface in Security and Network Management 2 years ago

this info is not cco documented, will takecare of it.

Saravanan Lakshmanan commented on Adding (dynamic) interfaces to WLC 2504 causes loss of network in Security and Network Management 2 years ago

wlc code?for test,try using /16 for management and keep the remaining config.or use multiple /24...

Saravanan Lakshmanan commented on Mac address: 0000.0104.0000 in Security and Network Management 2 years ago

yes, this that's the referenced bug CSCud97325 and it is fixed on 7.5.102.0, 7.4.121.X esc and 7.3....

Saravanan Lakshmanan commented on DNS on AP through WLC in Security and Network Management 2 years ago

wlc should have the ap up/down trap info, when enabled. it is not required to monitor the...

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