Issue with 3G after iOS 6.1 update

Question

After updating to the ios 6.1, my iphone automatically switches from 3G to EDGE and stays that way till I manually re-register on the network. Is there any fix for this?

Answer 1

As per your query i can suggest you the following-
1) Add the AirTunes service to the list of services available for mDNS snooping. To do this go to Controller-->mDNS--->general and select AirTunes from the dropdown.
Flexconnect (previously known as HREAP) does fix the bonjour mdns for remote branch offices and other vlan's where you want bonjour to be running.
You only have to flexconnect the wired and wireless WLAN SSID where you need it as the rest of the SSID's can be centrally switched WLAN"s and they work quite nicely.
2) Add the AirTunes service to the appropriate mDNS profiles in your controller, in my case I just use the default profile. To do this go to Controller-->mDNS--->Profiles and add the Airtunes service to each profile you may have configured
The problem with AirPlay is that it depends exclusively on multicast DNS (shortened as mDNS) with DNS service discovery (DNS-SD) to operate. mDNS is a zero configuration protocol that relies on link-local multicast messages on the local LAN to publish DNS records without the need for a centralized DNS server. DNS-SD is a protocol that compliments mDNS and provides service discovery, too. Apple's implementation of mDNS/DNS-SD is called Bonjour.
Aerohive indicates that these Bonjour gateways can also filter mDNS messages, which sounds somewhat useful