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Hi, It is true that the cisco can supports dynamic vlan assignment with hreap configured in local-switching mode?
I can be reached at samuel. Curious about your thoughts on the controller-less solution from Dep,oyment Am I right about that? Seems like a refreshing approach. I have not yet evaluated the Aerohive solution, but have some gear that I will be looking at soon.
What is H-REAP mode?
I’ll be sure to post my thoughts on their product. Aerohive has an advantage because they were able to develop their product without existing product roadmaps and feature sets to support and upgrade along the way.
It does seem like a refreshing approach, and I am curious to see how their system scales to large environments. Xirrus does something similar, with a controller in every AP and coordination among multiple APs. Motorola is trying to get their with their WiNG product but will take some time. Look for Cisco and Aruba to make some headway in this area in as well. I think we’ll see some big announcements from those two in 1H Why must the latency not exceed 2 seconds v.
We’re about to roll out wi-fi throughout our campus including remote sites and would like to use central authentication with local switching. I can be reached at cbagley nmmu. First, authentication timers on clients; they expect to have authentication complete within a reasonable amount of time, and if not then they will assume it has failed and try to reconnect and start the authentication process over.
The AP expects a response from the controller within 2 seconds, otherwise it sends up to 5 more hearbeat packets at 1 sec. The WAN latency can affect the responsiveness of the heartbeat communications and can cause the AP to disconnect from the controller and go into standalone mode. This is still an open feature gap. Could you kindly point me to a Cisco doco that specifies the same pls?.
Searching high and low for this but could not still get my hands on one. Hi Andrew, Thanks for the post. And we are noticing the loop in to the network? Would you able to advise me,by having APs in one group, what effects it would have on network?
You should contact Cisco TAC for support and recommendations to remediate your issue. Local controller at remote site is primary controller for the APs at remote site and centrally located controller is secondary controller for the APs at remote site. When we initiate fail-over from primary controller local to secondary controller central with ms or more WAN latency AP fail-over works fine however when AP gets associated to central controller the clients connected to the AP gets disconnectes and re-authetication takes place.
So fail-over is not seamless. Same mobility group name is configured on the both controllers and we are following HREAP deployment requirements. Should we be expecting seamless fail-over in this scenario? If you have code version 7.
Ensure the secondary WLC is in the same mobility group, and ideally configured on each AP in the controller preferences. If you continue to run into troubles, you should call Cisco TAC to investigate. Hi Andrew Thank you for useful info and I really enjoy reading it.
We have deployed H-reap with two centralized controllers at two different locations. We have tried to do load sharing by dividing groups to both controller. Do we need to all H-reap groups on both controllers even there are no APs on other controller in that group? In case of fail over if they go from group of one controller to default group of other, what will be impact?
Depployment, you should make the configurations identical on both controllers, except for things that must be different like interface IP addresses. Annd is easy to add them to the group on their currently connected controller, just select each AP from the drop-down list within the H-REAP Group to add them. Are you sure it is neccesary to add the APs manually to the secondary controller? Because it should already know as it is configured this way before its primary WLC goes offline for some reason.
Kristjan, No configuration is replicated between controllers. You would have to manually configure the information on both. But it’s still fairly manual.
What is H-REAP mode?
Hi Andrew, Great post with an awesome summary! Here is a link from cisco. You may be interested in reading my post on nad feature matrix as well: Not exactly all of the changes make it into the release notes, but most of the major ones do. That way it’s easier to remain on top of the changes in an incremental fashion, rather than trying deeployment figure out what changed from a year ago and three releases ago: Hi Andrew, Sorry, I missed that post I must admit though, I prefer your summaries to the matrix and release notes.
In this post, I will build on those basic fundamentals and provide more depth on the recommended deployment guidelines if you’re thinking about deploying H-REAP for remote sites.
Additionally, feature limitations when using this mode of operation need to be clearly understood by network administrators prior to evaluating and deploying an H-REAP solution. First, several guidelines are recommended for successful deployment. Administrators should design a solution around these requirements as best as possible. In versions prior to 7. Administrators should understand these limitations when architecting a wireless network for remote offices, and may preclude the use of H-REAP if one or more of these features are critical to wireless network service in your organization.
In addition to feature limitations that apply to all H-REAP operational states, the following limitations also apply when the AP goes into standalone mode after losing connection to the controller.
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