Brctl
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brctl[1] commands allows ethernet bridge administration in Linux. It is included in bridge-utils package in Ubuntu.
Commands[edit]
brctl show bridge name bridge id STP enabled interfaces virbr0 8000.325400810bc6 yes virbr0-nic
brctl show bridge name bridge id STP enabled interfaces docker0 8000.02424a095b68 no virbr0 8000.525400118b5a yes virbr0-nic bridge name bridge id STP enabled interfaces docker0 8000.02429250bfb7 no virbr0 8000.525400a300b0 yes virbr0-nic virbr1 8000.525400999cef yes virbr1-nic
brctl
Usage: brctl [commands]
commands:
addbr <bridge> add bridge
delbr <bridge> delete bridge
addif <bridge> <device> add interface to bridge
delif <bridge> <device> delete interface from bridge
hairpin <bridge> <port> {on|off} turn hairpin on/off
setageing <bridge> <time> set ageing time
setbridgeprio <bridge> <prio> set bridge priority
setfd <bridge> <time> set bridge forward delay
sethello <bridge> <time> set hello time
setmaxage <bridge> <time> set max message age
setpathcost <bridge> <port> <cost> set path cost
setportprio <bridge> <port> <prio> set port priority
show [ <bridge> ] show a list of bridges
showmacs <bridge> show a list of mac addrs
showstp <bridge> show bridge stp info
stp <bridge> {on|off} turn stp on/off
Related commands[edit]
virsh net-infovirsh net-edit- virbr, ens
- MacVTap virtualized bridged networking
- Multipass bridged support
See also[edit]
brctl,ebtables,brctl addif,brctl show- KVM:
virsh net-list - STP Spanning Tree Protocol
- Bridge,
ebtables,brctl, Open vSwitch (OVS) - Ethernet: MII, MDI, bonding, etherchannel, STP, ARP, MAC, STP, Jumbo frames, 802.1X, MTU, Ethernet In-Band Access (IBA), LACP, Multicast, Broadcast, SPI
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