nl-qdisc-{add|list|delete} - Manage queueing disciplines nl-qdisc-add --dev dev --parent id [OPTIONS] qdisc-type [QDISC] nl-qdisc-delete [ --interactive ] [OPTIONS] nl-qdisc-list [OPTIONS]

The nl-qdisc tools allow to manage and configure queueing disciplines (qdiscs) in the kernel.

-\^h " or " --help Print help text to console and exit.

-\^v " or " --version Print versioning information to console and exit.

-\^q " or " --quiet Do not print informal notifications about actions taken to the console. By default a short description of each qdisc added/update/deleted will be printed to the console. This option disables this behaviour.

-\^d " or " --dev "=DEV" Network device the qdisc is attached to.

-\^p " or " --parent "=ID" Identifier of the parent qdisc/class this qdisc is attached to. The identifier can be specified as classid, name or one of the special values "root" or "ingress".

-\^i " or " --id "=ID" Identifier of qdisc. It can be specified as classid or name.

--update Update qdisc if it already exists, otherwise attempting to add a qdisc which already exists will result in an error. This does not include changing the type of the qdisc, use --replace if you wish to do so.

--replace Replace or update qdisc if it already exists. Same behaviour as --update but will completely replace the qdisc if it exists already.

--update-only Update an existing qdisc but do not create it if it does not exist.

--replace-only Update or replace an existing qdisc but do not create it if it does exist.

--interactive The interactive mode requires confirmation by the user for each qdisc deleted. It will print a prompt for each qdisc matching the provided filter and requires the user to answer 'y'es or 'n'o.

--yes Make the default answer for interactive prompts be 'y'es. This option is also required to delete all qdiscs on all network devices.

-\^k " or " --kind "=TYPE" Only delete qdiscs of this type.

--details Show detailed information for each qdisc listed.

--stats Show statistics information for each qdisc listed. This option will also turn on detailed information automatically.

-\^r " or " --recursive List all TC objects recurisvely attached to all qdiscs matching the filter.

-\^k " or " --kind "=TYPE" Only list qdiscs of this type.

Add a HTB root qdisc with id "5:":

List all qdiscs on eth0 and print statistical data:

Delete the qdisc "5:":

nl-classid-lookup(8)

Thomas Graf is the original author and current maintainer of libnl and libnl tools. Many people have contributed to it since.