Thanks mate, that makes sense. Will check it out and get back .
Thanks, Akash On Tue, Sep 28, 2021, 16:00 Benoit Ganne (bganne) <bga...@cisco.com> wrote: > Rx-miss means the NIC must drop packets on RX because the rx queue was > full, usually because VPP cannot keep up with the incoming packet rate. > You can check it with the output of 'show run'. If you see a big average > vector size (100 or more) it means VPP is busy. > To improve that you must increase the number of VPP workers (and rx > queues). > Rx-misses can also be caused by traffic spikes. In that case you can > increase the rx queues size to absorb the bursts. > > Best > ben > > > -----Original Message----- > > From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Akash S R > > Sent: mardi 28 septembre 2021 11:43 > > To: vpp-dev <vpp-dev@lists.fd.io> > > Subject: [vpp-dev] rx-miss while sending packets to Interface (IMPORTANT) > > > > Hello mates, > > > > Its been a long time, me , raising a query out here to you guys :) (Nah, > > Please ignore this junk.) > > > > I have a question on rx-miss. Whenever we fire packets at some high rate, > > say 1GBPS or more, I get rx-miss on the interface with some packet count. > > I referred to a link below from the VPP forum: > https://lists.fd.io/g/vpp- > > dev/topic/78179815#17985 > > > > TenGigabitEthernet4/0/1 3 up 1500/0/0/0 rx > > packets 8622948 > > rx > > bytes 1103737344 > > ip4 > > 8622948 > > rx- > > miss 283721416 > > > > But the buffer is available and allocated is less. I reduced the queues > to > > 256 and threads to 4. > > But still the issue is not resolved. > > DBGvpp# show dpdk buffer > > name="vpp pool 0" available = 13984 allocated = 2816 total = > 16800 > > > > May I know the reason for this rx-miss and any kinda resolution for this > > issue? > > > > Thanks, > > Akash > >
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