[Spce-user] mr5.5.6 lb process restart to work

Abel Alejandro aalejandro at alliedtechpr.com
Tue Nov 27 12:14:37 EST 2018

I will keep that command hand in case it happens again but if I do netstat -s, I see a have a non-zero receive buffer errors, could that be the cause?

How do I increase this buffer?

root at sip:/var/log/ngcp# netstat -s
    Forwarding: 2
    8713684523 total packets received
    0 forwarded
    3 with unknown protocol
    0 incoming packets discarded
    8713408544 incoming packets delivered
    8861358901 requests sent out
    175 fragments dropped after timeout
    551437 reassemblies required
    275461 packets reassembled ok
    175 packet reassemblies failed
    251606 fragments received ok
    503488 fragments created
    8759015 ICMP messages received
    11928 input ICMP message failed
    InCsumErrors: 771
    ICMP input histogram:
        destination unreachable: 7908135
        timeout in transit: 664457
        redirects: 3
        echo requests: 185537
        echo replies: 47
        timestamp request: 65
    3915161 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 3729350
        time exceeded: 173
        echo requests: 36
        echo replies: 185537
        timestamp replies: 65
        InType0: 47
        InType3: 7908135
        InType5: 3
        InType8: 185537
        InType11: 664457
        InType13: 65
        OutType0: 185537
        OutType3: 3729350
        OutType8: 36
        OutType11: 173
        OutType14: 65
    1708271 active connection openings
    1629365 passive connection openings
    219358 failed connection attempts
    444798 connection resets received
    43 connections established
    620057081 segments received
    1326342435 segments sent out
    638923 segments retransmitted
    205 bad segments received
    608205 resets sent
    InCsumErrors: 203
    7952039041 packets received
    143784012 packets to unknown port received
    446607 packet receive errors
    8638206706 packets sent
    439491 receive buffer errors
    0 send buffer errors
    InCsumErrors: 7023
    IgnoredMulti: 189631

-----Original Message-----
From: Spce-user <spce-user-bounces at lists.sipwise.com> On Behalf Of Daniel Grotti
Sent: Tuesday, November 27, 2018 1:00 PM
To: spce-user at lists.sipwise.com
Subject: Re: [Spce-user] mr5.5.6 lb process restart to work

when this happens, try to run:

netstat -anp | grep 5060

do you see the UPD buffer full maybe?


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On 11/27/18 5:58 PM, Abel Alejandro wrote:
> Hello,
> I have a problem where I have to restart the lb process (/etc/init.d/kamailio-lb restart) in order for the system to work again, it has happened a few times now but i cannot pinpoint exact cause.
> I am using version mr5.5.6 and looking at /var/log/ngcp/kamailio-lb.log all the traffic is hitting the LB, and the LB seems to be relaying that traffic to the proxy however nothing gets sent from the LB back to the subscriber or peer.
> Has anyone experienced something like this or any tips what to check next?
> _______________________________________________
> Spce-user mailing list
> Spce-user at lists.sipwise.com
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