roger perkin

Member Since: Feb 24, 2011

English
roger perkin commented on Cisco 3850 12x48 - Which ports are MultiGigabit? in LAN, Switching and Routing 4 months ago

Thanks for that I will take a look.  The only issue for me was the interface numbering changes from...

roger perkin commented on Cisco 3850 12x48 - Which ports are MultiGigabit? in LAN, Switching and Routing 4 months ago

Thanks Leo,  Where did you find those pictures? I haven't seen the hardware yet and have to do a...

roger perkin commented on Mobility Anchor requirements in Getting Started with Wireless 7 months ago

Thanks for your reply, I was about to ask what the relevance is for the WLAN ID as I always used to...

roger perkin commented on Backup Failed for cisco 5508 using Prime 2.2 in Network Management 8 months ago

I have resolved this now - the issue was I was configured to use the internal FTP server on Prime...

roger perkin commented on how does client roaming work helping cisco wlc? in Getting Started with Wireless 10 months ago

Why are you so concerned about getting your clients to connect to a specific AP? As mentioned above...

roger perkin commented on Apple iPod Touch Dropping WIFI Connection in a Distribution Center environment in Getting Started with Wireless 10 months ago

Great,  If this were my problem I would certainly do a wireless survey, disable some lower data...

roger perkin commented on WLC Certificate in Getting Started with Wireless 10 months ago

What this means is that you have installed a 3rd party SSL certificate on your controller for the...

roger perkin commented on Cisco 1242AP config in Getting Started with Wireless 10 months ago

If I understand your situation you have a number of Autonomous AP's which you are resetting to get...

roger perkin commented on Any way to emulate/virtualize a Cisco Wireless Router? in Getting Started with Wireless 10 months ago

You can download a Virtual Wireless Controller for free and run it on ESXi server. https://software...

roger perkin commented on DHCP Proxy in a Foreign Anchor Setup in Getting Started with Wireless 10 months ago

Philip,  In a Guest Anchor Setup the DHCP proxy is handled on the anchor controller as this is...

roger perkin commented on FlexConnect groups and Native VLAN in Getting Started with Wireless 10 months ago

To answer your second question first; Yes you need to ensure that the WLAN IDs match between your...

roger perkin commented on how does client roaming work helping cisco wlc? in Getting Started with Wireless 10 months ago

The WLC has little to do with Client roaming.  You can change some settings to try to affect it but...

roger perkin commented on Apple iPod Touch Dropping WIFI Connection in a Distribution Center environment in Getting Started with Wireless 10 months ago

Both devices are connecting on the 2.4Ghz band which can have a lot of interference, but does have...

roger perkin commented on Apple iPod Touch Dropping WIFI Connection in a Distribution Center environment in Getting Started with Wireless 10 months ago

There could be many issues causing your problems but I will outline a few things I have seen whilst...

roger perkin commented on WLC Active/Active vs Active/Standby in Getting Started with Wireless 10 months ago

Alex,  There are no real advantages between Redundancy mode vs Active / Active it all depends on...

roger perkin commented on Cisco WLC running vs saved config in Getting Started with Wireless 10 months ago

Thanks for the reply Scott - however dir and show flash are not options on my controllers 5508 and...

roger perkin commented on Cisco WLC running vs saved config in Getting Started with Wireless 10 months ago

Thanks I know that - I have worked with WLCs for a while now.  My question was that if you have not...

roger perkin commented on 3750 mls qos trust dscp for lync client in IP Telephony 1 year ago

My question is what do you do when you have an IP phone for which you are trusing CoS and a Lync...

roger perkin commented on IW3702 External AP - cannot associate workgroup bridge in Getting Started with Wireless 1 year ago

Thanks Manannalage, I had actually configured   speed  basic-1.0 2.0 5.5 11.0 6.0 9.0 12.0 18.0 24....

roger perkin commented on IW3702 External AP - cannot associate workgroup bridge in Getting Started with Wireless 1 year ago

Thanks I have configured this and the error message has gone away 

roger perkin commented on 6880-X-LE / What is C6880-X-NEBS-PAK ? / Air Dam / NEBS compliant in LAN, Switching and Routing 1 year ago

Hmmm ok thanks, the only issues reported in the log are the Airdam ones and it is occuring on both...

roger perkin commented on 6880-X-LE / What is C6880-X-NEBS-PAK ? / Air Dam / NEBS compliant in LAN, Switching and Routing 1 year ago

Ok thanks for the reply - my slot covers run the full length of the switch. So you just run your...

roger perkin commented on 6880-X-LE / What is C6880-X-NEBS-PAK ? / Air Dam / NEBS compliant in LAN, Switching and Routing 1 year ago

Did you get an answer on this as I have just fired up two 6880X's and getting that warning - amber...

roger perkin commented on Migrating Core switches - please validate my thoughts in LAN, Switching and Routing 1 year ago

It all depends on the traffic. If you can sustain a blip then I would not go to the trouble of the...

roger perkin commented on IP phone to 3850 to 4500X to CE router - DSCP to COS marking in WAN, Routing and Switching 1 year ago

Thank you Joseph, So if the phone is tagging at L3 (DSCP 46) and the 3850 is trusting the wired...

roger perkin commented on IP phone to 3850 to 4500X to CE router - DSCP to COS marking in WAN, Routing and Switching 1 year ago

Thank you Peter, This is from the ISPThe important thing to note is that this is a Layer2 CoS...

roger perkin commented on OTV - ASR1001-X - Two physical interfaces? in Server Networking 1 year ago

Thanks Steve, I will be joining connecting the ASRs to a 6880 core so will have to have one L2...

roger perkin commented on 5508 Management Access lost when 70+ AP's join in Getting Started with Wireless 1 year ago

Problem solved - there was another firewall in the path which was limiting connections to a single...

roger perkin commented on 5508 Management Access lost when 70+ AP's join in Getting Started with Wireless 1 year ago

Traffic is not being NATéd Running 7.6.130.0 - 3702 APsI will find out the status of the...

roger perkin commented on 1131 AP cannot connect to VWLC 8.0.115.0 in Getting Started with Wireless 1 year ago

Thanks Scott, It was a few of your posts I was reading about getting the right image on the AP...

roger perkin commented on Firewall between 5508 controllers in Getting Started with Wireless 1 year ago

I have been through that, but it does not mention which firewall ports are involved between two...

roger perkin commented on Cannot ping 3850 from 4500X core in LAN, Switching and Routing 1 year ago

Turns out it was actually the reload that fixed the problem not the upgrade. I reloaded another...

roger perkin commented on Cannot ping 3850 from 4500X core in LAN, Switching and Routing 1 year ago

The config has not changed and problem has resolved with IOS upgrade Core:interface Vlan64 ...

roger perkin commented on Cannot ping 3850 from 4500X core in LAN, Switching and Routing 1 year ago

UPDATE:I have now upgraded the stack to 03.07.00E  and pings work as expected. Is this a bug?If it...

roger perkin commented on Firewall between 5508 controllers in Getting Started with Wireless 1 year ago

Thanks Abhishek, I already have those enabled my question was referencing the communication between...

roger perkin commented on 1532 AP as Client - Configuration assistance in Getting Started with Wireless 1 year ago

UPDATE, I have now managed to get this working on the 2.4ghz radio however when I enable it on the...

roger perkin commented on 1532 AP as Client - Configuration assistance in Getting Started with Wireless 1 year ago

The WGB (1532 AP) will associate to WLC Managed AP's This is a 5508 running 7.6 code During the...

roger perkin commented on Guest Internet across multiple controllers in Getting Started with Wireless 2 years ago

Thanks for the link - however it appears dead at the moment? Roger

roger perkin commented on Guest Internet across multiple controllers in Getting Started with Wireless 2 years ago

Thanks for the info, I don't see that documented in the configuration guide!So create an interface...

roger perkin commented on DHCP from 3850 for AP's - disassociates after 1:45 in Getting Started with Wireless 2 years ago

Sandeep I am in the UK but this is not the issue as the country code is changed to GB correctly.The...

roger perkin commented on DHCP from 3850 for AP's - disassociates after 1:45 in Getting Started with Wireless 2 years ago

There is no ip address conflict - this is only 1 AP connected directly to a 3850I am getting this...

roger perkin commented on 3850 as WLC config to connect to 6509 in Getting Started with Wireless 2 years ago

Thanks Steve, that makes sense. 

roger perkin commented on Intercontroller Roaming between sites - Anchors in Getting Started with Wireless 2 years ago

The feature I nearly want is  Dynamic Anchoring for Clients with Static IP AddressesReading around...

roger perkin commented on Virtual Console connection - System refused connection in CSR-Public Cloud 2 years ago

Thanks Nick,I now configure the serial port and do not even open up the vmware console - working...

roger perkin commented on Disable http inspection in global_policy FWSM in Firewalling 2 years ago

Well,I removed the http inspection and it broke all inbound and outbound web services!Then I...

roger perkin commented on Cannot download from Internet through FWSM in Firewalling 2 years ago

It is an interesting issue, the download suceeds outside the FWSM - I have contacted the ISP and...

roger perkin commented on Cannot download from Internet through FWSM in Firewalling 2 years ago

It is not an ISP issue, if I connect my laptop outside the FWSM or dirty to the ISP - downloads...

roger perkin commented on Event source routing not available 3750 in EEM Scripting 2 years ago

Thanks Joseph, I assume you do have to upgrade the IOS to upgrade the EEM version ?Roger

roger perkin commented on Event source routing not available 3750 in EEM Scripting 2 years ago

I have found the reason for this now - different EEM versions This can be found with - sh...

Bio

Roger has been in the networking field for over 10 years and currently works for a Gold Partner in the UK. Primarily a Routing & Switching guy but learning more about Wireless every day.

He is CCIE #50038 in R&S and is considering going for CCIE Wireless.

When not designing and installing networks he enjoys Kite Surfing, Cycling and spending time with his family










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