Hi Anurag,
Thanks for the heads up . I had also arrived at the same inference.
I suggest the First Option is the one. The Second option, does not
arise as because all is good , when Advertisement done through
Other Upstream AS 132215 , all is perfect. The Folks at AS 55507
says its not there for them to check anything .
PFB Traceroute for the same.
C:\>tracert he.net
Tracing route to he.net [2001:470:0:503::2]
over a maximum of 30 hops:
1 1 ms <1 ms <1 ms
2405:201:a804:7073:1afd:cbff:fea9:e5f3
2 * * * Request timed out.
3 22 ms 21 ms 22 ms 2405:200:100::1:0:434
4 * * * Request timed out.
5 * * * Request timed out.
6 * * 214 ms e0-50.core1.ams2.he.net
[2001:470:0:58e::2]
7 215 ms * 215 ms e0-32.core2.ams2.he.net
[2001:470:0:489::2]
8 * * * Request timed out.
9 * * * Request timed out.
10 * 222 ms * e0-33.core2.dub1.he.net
[2001:470:0:410::2]
11 291 ms 289 ms 290 ms 100ge5-2.core1.nyc5.he.net
[2001:470:0:440::1]
12 299 ms 299 ms 300 ms 100ge4-2.core1.nyc4.he.net
[2001:470:0:20a::1]
13 273 ms 273 ms 275 ms 100ge8-1.core1.sjc2.he.net
[2001:470:0:296::2]
14 367 ms 295 ms 294 ms 100ge8-2.core3.fmt1.he.net
[2001:470:0:1a7::1]
15 275 ms 273 ms 273 ms he.net [2001:470:0:503::2]
Trace complete.
On 08-12-2020 17:37, Anurag Bhatia
wrote:
Hi Raj
Fascinating issue! :-)
Two things:
- What do you see in the trace to any IPv6 destination
like say he.net? Does it go via your
upstream? If yes then it's cause of your upstream doing
source NAT on IPv6 o_O
- Maybe you have a different interface on system or
router and trace goes from that instead of upstream. In
that case please find why that exists!
Let us know what do you find!
Hi Folks ,
Hope you all are doing Fine. Getting a Peculiar Issue, AS
55507 is one of my Upstream, whenever I peer with him , and
advertise my Prefixes on IP v$ . No IP V6 prefixes
advertised, a peculiar thing happens when I go to
www.whatismyip.com
I get IP v6 Address from Reliance Jio, I asked the Folks
managing the Network at AS 55507 , but they are unable to
give any satisfactory explanation.
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