Answer by Christian for Reducing broadcast traffic on Cisco SG300
The voice vlan state disabled configuration command will stop these broadcasts.
View ArticleAnswer by Dale for Reducing broadcast traffic on Cisco SG300
This is a VSDP packet. Cisco's horrible and proprietary way for their small business lines of switches to communicate the agreed upon voice vlan around the network. It's a pain, will add/remove vlans,...
View ArticleAnswer by user73383 for Reducing broadcast traffic on Cisco SG300
Unfortunately it appears to be a bug in Cisco IOS:https://quickview.cloudapps.cisco.com/quickview/bug/CSCum51028
View ArticleAnswer by JFL for Reducing broadcast traffic on Cisco SG300
224.0.0.251 is the multicast (and not broadcast) address used by the apple Bonjour protocol but also by the associated multicast DNS (rfc6762)So there's two cause of traffic sent to this multicast...
View ArticleReducing broadcast traffic on Cisco SG300
I have a Cisco SG300 Small business switch, and the GUI interface is creating a lot of broadcast traffic: Source IP (The GUI IP): 172.16.xx.254:5353, Destination IP (Broadcast) 224.0.0.251:5353I have...
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