Bug #16077
open
dpinger not reliable - ping request/replies
0%
Description
The running dpinger process, seems to be stall for no reason, hence reporting the gateway as down, but it is not:
root 62188 0.0 0.0 17736 2808 - Is Sat13 0:27.94 /usr/local/bin/dpinger -S -r 0 -i GW_KD -B 10.8.0.2 -p /var/run/dpinger_GW_KD_DH~10.8.0.2~1.1.1.1.pid -u /var/run/dpinger_GW_KD_DH~10.8.0.2~1.1.1.1.sock -C /etc/rc.gateway_alarm -d 1 -s 500 -l 2000
[2.7.2-RELEASE][admin@dhpn]/root: tcpdump -ni vtnet2 host 1.1.1.1
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on vtnet2, link-type EN10MB (Ethernet), snapshot length 262144 bytes
08:59:31.311619 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 62188, seq 59301, length 9
08:59:31.820832 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 62188, seq 59302, length 9
08:59:32.331754 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 62188, seq 59303, length 9
08:59:32.840861 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 62188, seq 59304, length 9
08:59:33.350907 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 62188, seq 59305, length 9
08:59:33.862761 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 62188, seq 59306, length 9
08:59:34.371285 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 62188, seq 59307, length 9
Saving the gateway configuration without any changes, "re-starts" the dpinger and pings are working again.
09:03:10.976622 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 37365, seq 0, length 9
09:03:11.001018 IP 1.1.1.1 > 10.8.0.2: ICMP echo reply, id 37365, seq 0, length 9
09:03:11.481186 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 37365, seq 1, length 9
09:03:11.503886 IP 1.1.1.1 > 10.8.0.2: ICMP echo reply, id 37365, seq 1, length 9
09:03:11.991642 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 37365, seq 2, length 9
09:03:12.011385 IP 1.1.1.1 > 10.8.0.2: ICMP echo reply, id 37365, seq 2, length 9
09:03:12.501207 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 37365, seq 3, length 9
09:03:12.518272 IP 1.1.1.1 > 10.8.0.2: ICMP echo reply, id 37365, seq 3, length 9
09:03:13.011616 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 37365, seq 4, length 9
09:03:13.026412 IP 1.1.1.1 > 10.8.0.2: ICMP echo reply, id 37365, seq 4, length 9
09:03:13.521414 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 37365, seq 5, length 9
09:03:13.541170 IP 1.1.1.1 > 10.8.0.2: ICMP echo reply, id 37365, seq 5, length 9
09:03:14.040837 IP 10.8.0.2 > 1.1.1.1: ICMP echo request, id 37365, seq 6, length 9
09:03:14.057380 IP 1.1.1.1 > 10.8.0.2: ICMP echo reply, id 37365, seq 6, length 9
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