Even more data: grab_lustreMgt.txt
I ran through the tests.
I test both systems with poing, ssh, and telnet.
Here are my results.
[rdeseke@LustreMGT 10.0.0.4 ~]$ sudo tcpdump -c 100 -x > grab_Lserver
dropped privs to tcpdump
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), snapshot length 262144 bytes
100 packets captured
120 packets received by filter
0 packets dropped by kernel
[rdeseke@LustreMGT ~]$ less grab_Lserver
[rdeseke@LustreMGT ~]$ grep "ssh" grab_Lserver | wc -l
6
[rdeseke@LustreMGT ~]$ grep "ssh" grab_Lserver
09:42:44.766284 IP lustremgt.internal.cloudapp.net.ssh > ip5f5bd6c7.dynamic.kabel-deutschland.de.52600: Flags [P.], seq 3442478310:3442478370, ack 1688191849, win 501, options [nop,nop,TS val 3673515907 ecr 1546603568], length 60
09:42:44.766339 IP lustremgt.internal.cloudapp.net.ssh > ip5f5bd6c7.dynamic.kabel-deutschland.de.52600: Flags [P.], seq 60:192, ack 1, win 501, options [nop,nop,TS val 3673515907 ecr 1546603568], length 132
09:42:44.766408 IP lustremgt.internal.cloudapp.net.ssh > ip5f5bd6c7.dynamic.kabel-deutschland.de.52600: Flags [P.], seq 192:292, ack 1, win 501, options [nop,nop,TS val 3673515908 ecr 1546603568], length 100
09:42:44.784646 IP ip5f5bd6c7.dynamic.kabel-deutschland.de.52600 > lustremgt.internal.cloudapp.net.ssh: Flags [.], ack 60, win 501, options [nop,nop,TS val 1546603616 ecr 3673515907], length 0
09:42:44.784647 IP ip5f5bd6c7.dynamic.kabel-deutschland.de.52600 > lustremgt.internal.cloudapp.net.ssh: Flags [.], ack 192, win 501, options [nop,nop,TS val 1546603616 ecr 3673515907], length 0
09:42:44.789052 IP ip5f5bd6c7.dynamic.kabel-deutschland.de.52600 > lustremgt.internal.cloudapp.net.ssh: Flags [.], ack 292, win 501, options [nop,nop,TS val 1546603616 ecr 3673515908], length 0
[rdeseke@LustreMGT ~]$ grep "ICMP"grab_Lserver
- < No Data>
- ping is not working for 10.0.0.6 now:
- [rdeseke@LusterServer ~]$ ping -n 5 10.0.0.4 PING 10.0.0.4 (10.0.0.4) 56(124) bytes of data.
^C
--- 10.0.0.4 ping statistics ---
40 packets transmitted, 0 received, 100% packet loss, time 39931ms
There is HTTP data but I don't think it is from Telnet
[rdeseke@LustreMGT ~]$ grep "HTTP" grab_Lserver 10:54:56.944122 IP lustremgt.internal.cloudapp.net.39286 > 169.254.169.254.http: Flags [P.], seq 1:122, ack 1, win 502, options [nop,nop,TS val 518731817 ecr 3604556394], length 121: HTTP: GET /metadata/instance?format=text&api-version=2017-04-02 HTTP/1.1 10:54:56.951810 IP 169.254.169.254.http > lustremgt.internal.cloudapp.net.39286: Flags [P.], seq 1:165, ack 122, win 49153, options [nop,nop,TS val 3604556402 ecr 518731817], length 164: HTTP: HTTP/1.1 200 OK 10:54:56.957917 IP lustremgt.internal.cloudapp.net.39286 > 169.254.169.254.http: Flags [P.], seq 122:262, ack 165, win 501, options [nop,nop,TS val 518731831 ecr 3604556402], length 140: HTTP: GET /metadata/instance/network/interface/?format=text&api-version=2017-04-02 HTTP/1.1
==== Other system ====
Noted above
[rdeseke@LusterServer ~]$ ping -n 5 10.0.0.4
PING 10.0.0.4 (10.0.0.4) 56(124) bytes of data.
^C
--- 10.0.0.4 ping statistics ---
40 packets transmitted, 0 received, 100% packet loss, time 39931ms
[rdeseke@LusterServer 10.0.0.6 ~]$ sudo tcpdump -c 400 -x > grab_lustreMgt
[rdeseke@LusterServer ~]$ grep "ssh" grab_lustreMgt
10:33:51.253841 IP lusterserver.internal.cloudapp.net.ssh > ip5f5bd6c7.dynamic.kabel-deutschland.de.52604: Flags [P.], seq 1017226651:1017226711, ack 2704431584, win 501, options [nop,nop,TS val 716344696 ecr 1791943164], length 60
10:33:51.253867 IP lusterserver.internal.cloudapp.net.ssh > ip5f5bd6c7.dynamic.kabel-deutschland.de.52604: Flags [P.], seq 60:248, ack 1, win 501, options [nop,nop,TS val 716344696 ecr 1791943164], length 188
...
10:34:28.179512 IP lusterserver.internal.cloudapp.net.ssh > lustremgt.internal.cloudapp.net.32950: Flags [F.], seq 1474, ack 1463, win 501, options [nop,nop,TS val 664481130 ecr 2266264333], length 0
10:34:28.179948 IP lustremgt.internal.cloudapp.net.32950 > lusterserver.internal.cloudapp.net.ssh: Flags [.], ack 1475, win 501, options [nop,nop,TS val 2266264335 ecr 664481130], length 0
[rdeseke@LusterServer 10.0.0.6 ~]$ grep "ICMP" grab_lustreMgt
10:34:00.345757 IP lustremgt.internal.cloudapp.net > lusterserver.internal.cloudapp.net: ICMP echo request, id 1, seq 1, length 64
10:34:00.345824 IP lusterserver.internal.cloudapp.net > lustremgt.internal.cloudapp.net: ICMP echo reply, id 1, seq 1, length 64
10:34:01.347015 IP lustremgt.internal.cloudapp.net > lusterserver.internal.cloudapp.net: ICMP echo request, id 1,
...
10:34:06.388765 IP lustremgt.internal.cloudapp.net > lusterserver.internal.cloudapp.net: ICMP echo request, id 1, seq 7, length 64
10:34:06.388821 IP lusterserver.internal.cloudapp.net > lustremgt.internal.cloudapp.net: ICMP echo reply, id 1, seq 7, length 64
10:34:48.490563 IP lusterserver.internal.cloudapp.net > lustremgt.internal.cloudapp.net: ICMP host lusterserver.internal.cloudapp.net unreachable - admin prohibited filter, length 68
Total count 15
HTTP data full listing
[rdeseke@LusterServer ~]$ grep "HTTP" grab_lustreMgt
10:33:54.983228 IP lusterserver.internal.cloudapp.net.37750 > 168.63.129.16.http: Flags [P.], seq 1:201, ack 1, win 502, options [nop,nop,TS val 1982430815 ecr 3603294442], length 200: HTTP: GET /machine/?comp=goalstate HTTP/1.1 10:33:54.985289 IP 168.63.129.16.http > lusterserver.internal.cloudapp.net.37750: Flags [FP.], seq 1:2278, ack 201, win 49153, options [nop,nop,TS val 3603294446 ecr 1982430815], length 2277: HTTP: HTTP/1.1 200 OK 10:33:54.992149 IP lusterserver.internal.cloudapp.net.37762 > 168.63.129.16.http: Flags [P.], seq 1:188, ack 1, win 502, options [nop,nop,TS val 1982430824 ecr 3603294452], length 187: HTTP: POST /HealthService HTTP/1.1 10:33:54.992175 IP lusterserver.internal.cloudapp.net.37762 > 168.63.129.16.http: Flags [P.], seq 188:380, ack 1, win 502,