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| -rw-r--r-- | TODO | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -5,3 +5,17 @@ - oldnet[bridging]: Review setting of bridge configuration on dynamic interface add - Document rc-depend binary. + +- _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. + |