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2018 February 02

MF

Max Fetcher in Accel-PPP
А если используются одинаковые vlan для pppoe и ipoe то vlan-mon можно описать в одной из секций?
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MG

Marcelo Gondim in Accel-PPP
hi all
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MG

Marcelo Gondim in Accel-PPP
When data traffic comes in at about 2.5Gbps, one of my cores gets overwhelmed. Has anyone ever experienced this? I'm using an Intel X520.
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AS

Alex Stm in Accel-PPP
Hi
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AS

Alex Stm in Accel-PPP
Show your irq
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MG

Marcelo Gondim in Accel-PPP
one moment
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MG

Marcelo Gondim in Accel-PPP
At this moment the traffic is low and so it is normal.
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MG

Marcelo Gondim in Accel-PPP
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MG

Marcelo Gondim in Accel-PPP
This is a Dell R420 with dual Intel(R) Xeon(R) CPU E5-2420 v2 @ 2.20GHz
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MG

Marcelo Gondim in Accel-PPP
With 4000 subscribers
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AS

Alex Stm in Accel-PPP
do You use nat?
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MG

Marcelo Gondim in Accel-PPP
Yes, in the absence of IPv4 blocks I pass to subscribers 172.21.x.x
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MG

Marcelo Gondim in Accel-PPP
Can be NAT?
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DF

Denys Fedoryshchenko in Accel-PPP
if it is newest kernels(where nat has special process to cleanup conntrack) and you have some sort of unidirectional flood from one of users - it might happen
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DF

Denys Fedoryshchenko in Accel-PPP
in your case i see on CPU6 asymmetry, pppoe?
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MG

Marcelo Gondim in Accel-PPP
Denys Fedoryshchenko
in your case i see on CPU6 asymmetry, pppoe?
yep
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DF

Denys Fedoryshchenko in Accel-PPP
most probably then just issue of X520, they can't load balance pppoe
you need to check, maybe you have too many rules in firewall or conntrack has too many connections
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DF

Denys Fedoryshchenko in Accel-PPP
try to check this value:
sysctl net.netfilter.nf_conntrack_count
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MG

Marcelo Gondim in Accel-PPP
net.netfilter.nf_conntrack_count = 78338
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DF

Denys Fedoryshchenko in Accel-PPP
at the moment it is very low
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