3Com 4500 Configuration Manual page 217

switch, and put them in the BPDUs to be sent to the another manufacturer's switch. In this way, the
switch 4500 can communicate with another manufacturer's switches in the same MST region.
The digest snooping function is not applicable to edge ports.
Configuring Digest Snooping
Configure the digest snooping feature on a switch to enable it to communicate with other switches
adopting proprietary protocols to calculate configuration digests in the same MST region through
MSTIs.
Configuration prerequisites
The switch to be configured is connected to another manufacturer's switch adopting a proprietary
spanning tree protocol. MSTP and the network operate normally.
Configuration procedure
Follow these steps to configure digest snooping:
To do...
Enter system view
Enter Ethernet port view
Enable the digest snooping
feature
Return to system view
Enable the digest snooping
feature globally
Display the current
configuration
Use the command...
system-view
interface interface-type
interface-number
stp config-digest-snooping
quit
stp config-digest-snooping
display current-configuration
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Remarks
—
—
Required
The digest snooping feature is
disabled on a port by default.
—
Required
The digest snooping feature is
disabled globally by default.
Available in any view