Re: Unable to create htb tc classes more than 64K

Linux Advanced Routing and Traffic Control

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I agree that it is because of 16bit of minor I'd of class which
restricts it to 64K.
Point is, can we use multilevel qdisc and classes to extend it to more
no. of classes i.e. to more than 64K classes

One scheme can be like
                                      100: root qdisc
                                         |
                                       / | \
                                     /   |   \
                                   /     |     \
                                 /       |       \
                          100:1   100:2   100:3        child classes
                            |              |           |
                            |              |           |
                            |              |           |
                           1:            2:          3:     qdisc
                           / \           / \           / \
                         /     \                     /     \
                      1:1    1:2             3:1      3:2 leaf classes

with all qdisc and classes defined as htb.

Is this correct approach? Any alternative??

Besides, in order to direct traffic to leaf classes 1:1, 1:2, 2:1,
2:2, 3:1, 3:2 .... , instead of using filters I am using ipset with
skbprio and iptables map-set match rule.
But even after all this it don't work. Why?

What I am missing?



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