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- Review setting of bridge configuration on dynamic interface add
- _ifindex is not a reliable means of calculating metrics:
_ifindex is used for calculating metrics for new devices but has a major
problem: Since it's only the nth entry in /proc/net/dev
And devices may be removed from that file, and reordered, you won't always
get the same result.
If you do:
- add eth0 - _ifindex (eth0=0)
- add vlan1 - _ifindex (eth0=0,vlan1=1)
- add vlan2 - _ifindex (eth0=0,vlan1=1,vlan2=2)
- rem vlan1 - _ifindex (eth0=0,vlan2=1)
- add vlan3 - _ifindex (eth0=0,vlan2=1,vlan3=2)
Now your routing table has entries for both vlan2 and vlan3 with a metric of 2.
- Support many more device types easily:
- VXLAN: ip link add link dummy2 name vxlan199 type vxlan id 199 dev dummy2 group 224.2.0.199 dstport 4789
- IPVLAN: ...
- IFB: ip link add ifb0 type ifb
- CAN:
- VCAN:
- ip6tnl:
- gre,gretap:
- ip6gre,ip6gretap:
- vti:
- nlmon: ip link add nlmon0 type nlmon
- ipvlan: ...
- lowpan:
- macvtap:
- ipoib: ..
- geneve: ip link add gen0 type geneve id 0 remote 192.168.53.53
- macsec:
- bridge_slave, bond_slave: (alter existing code)
- veth
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