Re: traffic shaping with tc and nft

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On 5/28/22 13:20, Kamil Jońca wrote:
Lars Noodén <lars.nooden@xxxxxxx> writes:

Hello,

I'm working on traffic shaping with tc and have some old iptables rules
with which I've tried to use iptables-translate to convert legacy
instructions to nftables.  For example, I have the following:

     iptables -t mangle -A OUTPUT -p tcp --match multiport \
	--sports 22,1965 -j MARK --set-mark 100

and the result is,

     nft add rule ip mangle OUTPUT ip protocol tcp \
	tcp sport {22,1965} counter meta mark set 0x64

Blind shot: in nftables you have no OUTPUT chain by default so I suspect
you have to create it manually.

nft add chain ip mangle  OUTPUT ...

KJ

Thanks.  I think that was it.  I had to create both the table and the
chain first.

/Lars




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