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DCB-APPTRUST(8) Linux DCB-APPTRUST(8)
dcb-apptrust - show / configure per-selector trust and trust order of the application priority table of the DCB (Data Center Bridging) subsystem.
dcb [ OPTIONS ] apptrust { COMMAND | help } dcb apptrust show dev DEV [ order ] dcb apptrust set dev DEV [ order SEL-LIST ] SEL-LIST := [ SEL-LIST ] SEL SEL := { ethtype | stream-port | dgram-port | port | dscp | pcp }
dcb apptrust is used to configure per-selector trust and trust order of the Application Priority Table, see dcb-app(8) for details on how to configure app table entries. Selector trust can be used by the software stack, or drivers (most likely the latter), when querying the APP table, to determine if an APP entry should take effect, or not. Additionally, the order of the trusted selectors will dictate which selector should take precedence, in the case of multiple different APP table selectors being present.
show Display all trusted selectors. set Set new list of trusted selectors. Empty list is effectively the same as removing trust entirely.
The following describes only the write direction, i.e. as used with the set command. For the show command, the parameter name is to be used as a simple keyword without further arguments. This instructs the tool to show the values of a given parameter. order SEL-LIST SEL-LIST is a space-separated list of selector names. Possible selector values are: ethtype, stream-port, dgram- port, port, dscp, and pcp
Set trust order to: dscp, pcp for eth0: # dcb apptrust set dev eth0 order dscp pcp Set trust order to: port (stream or dgram), pcp, ethtype for eth1: # dcb apptrust set dev eth1 order port pcp ethtype Show what was set: # dcb apptrust show dev eth0 order: port pcp ethtype
Exit status is 0 if command was successful or a positive integer upon failure.
dcb(8), dcb-app(8)
Report any bugs to the Network Developers mailing list <[email protected]> where the development and maintenance is primarily done. You do not have to be subscribed to the list to send a message there.
Daniel Machon <[email protected]>
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iproute2 22 November 2022 DCB-APPTRUST(8)
Pages that refer to this page: dcb(8), dcb-rewr(8)