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Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 106
Administration: Discovery
This section provides information for configuring Discovery.
It covers the following topics:
•Bonjour
• LLDP and CDP
• Discover - LLDP
• Discovery - CDP
Bonjour
As a Bonjour client, the device periodically broadcasts Bonjour Discovery protocol packets to
directly-connected IP subnet(s), advertising its existence and the services that it provides; for
example, HTTP, HTTPs, and Telnet. Use the TCP/UDP Services page to enable or disable the
device services.) The device can be discovered by a network management system or other
third-party applications. By default, Bonjour is enabled on the Management VLAN.
When Bonjour is enabled on the device, it sends Bonjour Discovery packets to interfaces with
IP addresses that have been associated with Bonjour on the Bonjour Discovery Interface
Control table. Use to IPv4 Interface to configure an IP address to an interface.
If an interface, such as a VLAN, is deleted, the device will send out Bonjour Goodbye packets
to the interface to deregister itself and its services. Neighbor devices receiving the Goodbye
packets will delete the services from their local service tables. The Bonjour Discovery
Interface Control Table shows interfaces with IP addresses that are associated with the
Bonjour feature. Any Bonjour advertisement can only be broadcast to interfaces listed in this
table. If a service is enabled or disabled, the device will send Bonjour packets to register or
deregister the service accordingly. If a service is changed, the device will send Bonjour
packets with the new information. If the IP address of the device is changed, the device will
also advertise its new IP address.
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