[SR-Users] TCP reset behavior

[Daniel-Constantin Mierla]

Hello,

can you reproduce the case and then get the output of the next commands:

kamctl rpc core.tcp_list

kamctl rpc core.tcp_options

kamctl rpc core.tcp_info

Cheers,
Daniel

On 06.06.19 18:53, R, Rajkumar (Raj) wrote:
>
> Hi All,
>
>  
>
> In our setup running kamailio (alpine image) in stateless mode and
> have following TCP config set. After client registers to the backend
> see two TCP connections created – one towards the client and the other
> towards the backendserver.  If there’s a abrupt network disconnect
> either at the client side or at the backend side, do not see TCP reset
> happening from kamailio as per the config. Per below config expected
> after 120seconds( = [tcp_keepidle] + ( [tcp_keepintvl * tcp_keepcnt] )
> instead it keeps resending TCP keepalive packets at varying intervals
> for varying duration length(like 6mins, 14mins..)  before resetting
> the TCP connections.  Also want to mention that we are not using
> TCPOPS module here.
>
>  
>
> I am trying to achieve consistent duration for TCP reset in kamailio.
> Could you please point me if I have missed anything here?
>
>  
>
> */Setup:/*
>
>  
>
> Client ---- Kamailio (stateless mode) ---- Backend server  
>
>  
>
>  
>
> *TCP Config:*
>
> * *
>
> *tcp_connection_lifetime = 3600*
>
> tcp_accept_aliases = no
>
> tcp_async = yes
>
> tcp_connect_timeout = 10
>
> tcp_crlf_ping = yes
>
> *tcp_keepalive = yes*
>
> *tcp_keepcnt = 3*
>
> *tcp_keepidle = 30*
>
> *tcp_keepintvl = 30           # Total 2 mins - 30+(30*3)=120 sec*
>
> tcp_linger2 = 30
>
> tcp_rd_buf_size = 65536
>
> tcp_send_timeout = 10
>
>  
>
> thanks,
>
> raj
>
>  
>
>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda

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