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wireless design questions

We currently have a large wireless deployment with about 80 controllers and 2300 laps with WCS. There is about 100 sites, about 50% have wireless. All the sites have controllers for the laps locally at the sites, a lot of which is very old and cannot be upgraded past 3.x. All wlcs are physically located at each site. There is talk about over hauling this whole thing and replacing the majority of it with a set of controllers at the CoLo headend where the Internet is and having all the aps reap to the wlcs in the colo. the advantage there is a guest network can be offered without dedicated anchors, since the colo is layer 2 adjacent to the firewalls. We are currently looking at a stack of 5508 or wism 6500 modules with 500 licensed aps. Or maybe the flex wlc. My question is what are the advantages/disadvantages of this type or setup, vs. leaving the wlc at the site. Keep in mind the site offers no redundancy and cannot survive without a connection to the head end.

2 ACCEPTED SOLUTIONS

Accepted Solutions
Hall of Fame Super Silver

Re: wireless design questions

Well FlexConnect is a good option but as long as the sites are pretty small. You can currently have 50 APs in an FlexConnect group with helps with the 802.1 roaming. If your network is using

PSK, then FlexConnect group isn't important. Since redundancy to the remote end isn't a priority, I would look at using the FlexConnect 7500 since that way you only have to tunnel back guest and route all other traffic locally. Again, I'm just going with what info you stated, not knowing 100% of the requirements.

Thanks,

Scott Fella

Sent from my iPhone

-Scott
*** Please rate helpful posts ***
Hall of Fame Super Silver

wireless design questions

Just to add to my previous statement.  Here is a link that states the limitations to FlexConnect:

http://www.cisco.com/en/US/products/ps11635/products_tech_note09186a0080b7f141.shtml

http://www.cisco.com/en/US/products/ps11635/products_tech_note09186a0080b7f141.shtml#wan

-Scott
*** Please rate helpful posts ***
2 REPLIES
Hall of Fame Super Silver

Re: wireless design questions

Well FlexConnect is a good option but as long as the sites are pretty small. You can currently have 50 APs in an FlexConnect group with helps with the 802.1 roaming. If your network is using

PSK, then FlexConnect group isn't important. Since redundancy to the remote end isn't a priority, I would look at using the FlexConnect 7500 since that way you only have to tunnel back guest and route all other traffic locally. Again, I'm just going with what info you stated, not knowing 100% of the requirements.

Thanks,

Scott Fella

Sent from my iPhone

-Scott
*** Please rate helpful posts ***
Hall of Fame Super Silver

wireless design questions

Just to add to my previous statement.  Here is a link that states the limitations to FlexConnect:

http://www.cisco.com/en/US/products/ps11635/products_tech_note09186a0080b7f141.shtml

http://www.cisco.com/en/US/products/ps11635/products_tech_note09186a0080b7f141.shtml#wan

-Scott
*** Please rate helpful posts ***
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