Hi,
I created a testing VM in the FI-LAB region. The VM got assigned a private
IPv4 address of 10.0.3.45, and I also added a floating IP 130.206.83.11. I
can access the public IPv4 just fine, but it seems that the private,
XIFI-federated IPv4 range is having some troubles.
Here's how a tracepath looks from one of our nodes at CESNET:
[root at potemkin02 ~]# tracepath 10.0.3.45
1: 10.0.96.132 (10.0.96.132) 0.138ms pmtu
9100
1: no reply
2: 62.40.124.41 (62.40.124.41) 1.049ms
3: 62.40.124.41 (62.40.124.41) 0.983ms pmtu
1488
3: no reply
4: ae2.mx1.fra.de.geant.net (62.40.98.53) 34.677ms asymm
17
5: ae1.mx1.ams.nl.geant.net (62.40.98.129) 34.591ms asymm
16
6: ae2.mx1.lon.uk.geant.net (62.40.98.80) 34.565ms asymm
15
7: ae7.mx1.dub.ie.geant.net (62.40.98.92) 34.530ms asymm
14
8: ae1.mx2.dub.ie.geant.net (62.40.98.91) 34.546ms asymm
13
9: 62.40.102.15 (62.40.102.15) 34.323ms asymm
11
10: 10.0.0.1 (10.0.0.1) 34.403ms
11: no reply
12: no reply
13: no reply
14: no reply
15: no reply
16: no reply
17: no reply
18: no reply
19: no reply
20: no reply
21: no reply
22: no reply
23: no reply
24: no reply
25: no reply
26: no reply
27: no reply
In contrast, this is how a testing tracepath looks from the VM I launched:
[root at test-el6-1 ~]# traceroute 10.0.96.1
traceroute to 10.0.96.1 (10.0.96.1), 30 hops max, 60 byte packets
1 10.0.0.1 (10.0.0.1) 20.300 ms 20.272 ms 20.243 ms
2 130.206.82.1 (130.206.82.1) 29.885 ms 29.851 ms 29.832 ms
3 130.206.82.1 (130.206.82.1) 2936.241 ms !H 2936.227 ms !H 2936.205
ms !H
Could you please confirm that this is expected to work? Unfortunately, the
information about the allocation and utilization of the XIFI-wide federated
IPv4 space is rather scarce in varioud public deliverables. It's well
possible that this use case is not supposed to work at all. Could you
please clarify that?
With kind regards,
Jan
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