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NAME | SYNOPSIS | DESCRIPTION | COMMANDS | PARAMETERS | EXAMPLE & USAGE | EXIT STATUS | SEE ALSO | REPORTING BUGS | AUTHOR | COLOPHON |
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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
<netdev@vger.kernel.org> 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 <daniel.machon@microchip.com>
This page is part of the iproute2 (utilities for controlling
TCP/IP networking and traffic) project. Information about the
project can be found at
⟨http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2⟩.
If you have a bug report for this manual page, send it to
netdev@vger.kernel.org, shemminger@osdl.org. This page was
obtained from the project's upstream Git repository
⟨https://git.kernel.org/pub/scm/network/iproute2/iproute2.git⟩ on
2025-02-02. (At that time, the date of the most recent commit
that was found in the repository was 2025-01-21.) If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page,
or you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a
mail to man-pages@man7.org
iproute2 22 November 2022 DCB-APPTRUST(8)
Pages that refer to this page: dcb(8), dcb-rewr(8)
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HTML rendering created 2025-02-02 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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