Apple clients do not see the network drives or printers via Bonjour.
KB ARTICLE TYPE: Troubleshooting
RELATED PRODUCTS: MC 3100, AP 208s, Apple Machine
RELATED SOFTWARE VERSIONS: Firmware: 3.4.2-135,
KEYWORDS: bonjour,multicast,apple devices,iphone,ipad,udp
Service Protocol Port
iChat TCP 5297
iChat TCP/UDP 5298
mDNSResponder (Multicast) UDP 5353
STEPS TAKEN FOR TROUBLESHOOTING:
STEP 1: Turned on Multicast in the ESS profile.
GUI : “Configuration” > “ESS” > “Allow Multicast Flag” > On
CLI : meru# configure terminal
meru(config)#essid <essid_name>
meru(config-essid)# multicast-enable
STEP 2 : Added these three ports in the upstream and downstream list.
GUI : “Configuration” > “System Settings” > “UDP Broadcast Up” > “Add” > Add all the port Number
“Configuration” > “System Settings” > “UDP Broadcast Down” > “Add” > Add all the port Number
CLI : meru# configure terminal
meru(config)#ip udp-broadcast upstream 5297
meru(config)#ip udp-broadcast downstream 5297
meru(config)#ip udp-broadcast upstream 5298
meru(config)#ip udp-broadcast downstream 5298
meru(config)#ip udp-broadcast upstream 5353
meru(config)#ip udp-broadcast downstream 5353
RESOLUTION : Apple machines were able to communicate with the resources after these changes in the configuration.
ROOT CAUSE : The ports used for this are not open by default.
Well Known TCP/UDP Ports used by Apple http://support.apple.com/kb/TS1629
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