AR201 & AR1220 Two Trunk Bug

Created Aug 23, 2013 01:00:18Latest reply Sep 28, 2018 18:48:50 2536 5 0 0

Description:

Run the attached topology (built using latest build of eNSP), and try to PING:

  • 192.168.1.10 from PE1
  • 192.168.1.5 from PE1
  • 192.168.1.13 from PE2
  • 192.168.1.9 from PE2

Issue: One of the above PING will fail.

Solution: Delete the intermediate link between PE1 and PE2 and PE1 will be able to ping 192.168.1.5 and PE2 will be able to PING 192.168.1.13. I assure you that there are no loops. Its a bug which should be fixed.

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m80039087     Created Aug 23, 2013 01:41:49 Helpful(0) Helpful(0)

Ok. It turns out issue is with all switches and routers of eNSP. If you connect 4 of switches or routers (as in above post) and configure trunk interfaces between them, any of the two devices will not be able to ping between eachother. Its very sad :(
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j00223546  Mentor   Created Aug 27, 2013 19:11:46 Helpful(0) Helpful(0)

Please config "stp disable" in each device bucause stp can block interfaces.

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m80039087     Created Aug 29, 2013 01:29:40 Helpful(0) Helpful(0)

Thanks. I figured out and solved the issue.
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faysalji  Novice   Created Sep 28, 2018 18:43:11 Helpful(0) Helpful(0)

Thanks for sharing your case.
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If you think my post/reply is useful, please click the Helpful button and flag my post as a BEST ANSWER. Thanks
Mysterious.color  Novice   Created Sep 28, 2018 18:48:50 Helpful(0) Helpful(0)

I will try your scenario
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find what you love and let it kill you.

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