| nl-qdisc(8) | System Manager's Manual | nl-qdisc(8) |
NAME¶
nl-qdisc-{add|list|delete} - Manage queueing disciplines
SYNOPSIS¶
nl-qdisc-add --dev dev --parent id [OPTIONS] qdisc-type [QDISC]
nl-qdisc-delete [ --interactive ] [OPTIONS]
nl-qdisc-list [OPTIONS]
DESCRIPTION¶
The nl-qdisc tools allow to manage and configure queueing disciplines (qdiscs) in the kernel.
OPTIONS¶
- -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.
nl-qdisc-add Options¶
- --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.
nl-qdisc-delete Options¶
- --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.
nl-qdisc-list Options¶
- --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.
USAGE¶
Add a HTB root qdisc with id "5:":
nl-qdisc-add --dev eth0 --parent root --id 5: htb
List all qdiscs on eth0 and print statistical data:
nl-qdisc-list --stats --dev eth0
Delete the qdisc "5:":
nl-qdisc-delete --id 5:
SEE ALSO¶
AUTHOR¶
Thomas Graf is the original author and current maintainer of libnl and libnl tools. Many people have contributed to it since.
| 21 October 2010 | libnl |