Got it

ETH-TRUNK PORTS GETTING FLAPPED

Created: Jan 25, 2020 17:34:20Latest reply: Jan 26, 2020 07:23:40 284 4 11 1
  Rewarded HiCoins: 0 (problem resolved)

Hi friends

I am facing a problem during implementation of switches 


Schenario : 

1) 2 No s6720 is in stack as well 4 No s5720 is another stack 

2) we are connecting both the stack by configuring  ETH-TRUNK1 , by connecting 2 Electrical SFP  ports  Xgig 0/0/3 & xgig 0/0/4 in each stack

3) X0/0/1 , X0/0/2 are using for stack configuration 


Problem : we are facing problem of port down X0/0/3 or X0/0/4 after some time of configuration and port goes in shutdown state 


is it due to wrong configuration or due to generating the loop.


please let me know if more clarity required 


Please suggest the solution


Regards



  • x
  • convention:

Featured Answers

Recommended answer

Popeye_Wang
Admin Created Jan 26, 2020 04:10:16 Helpful(0) Helpful(0)

Hello there,

1. Is there an intermediate device between the two stacks? Please check whether the physical state of the interface is normal;

2. If there is a loop, there may be a problem with the eth-trunk connection, and the interface is closed by STP. Please check the STP status;

3. Please try to switch the connection mode of eth-tunk, such as switching to manual mode or switching the speed mode of LACP;

4. Send the version and log to TAC to see if there is a bug in that version.

I hope this helps.

View more
  • x
  • convention:

yogijain
yogijain Created Jan 27, 2020 05:05:01
1. No, Physical status is normal
2.I will check and confirm
3. i tried both , problem is same
4 version , V2R11  
All Answers
umaryaqub
umaryaqub MVE Created Jan 26, 2020 03:37:55 Helpful(0) Helpful(0)

Hi,
We faced similar problem with S6720 but it was resolved by changing the cable to standard 10G stacking cables (DAC cable).
View more
  • x
  • convention:

Popeye_Wang
Popeye_Wang Admin Created Jan 26, 2020 04:10:16 Helpful(0) Helpful(0)

Hello there,

1. Is there an intermediate device between the two stacks? Please check whether the physical state of the interface is normal;

2. If there is a loop, there may be a problem with the eth-trunk connection, and the interface is closed by STP. Please check the STP status;

3. Please try to switch the connection mode of eth-tunk, such as switching to manual mode or switching the speed mode of LACP;

4. Send the version and log to TAC to see if there is a bug in that version.

I hope this helps.

View more
  • x
  • convention:

yogijain
yogijain Created Jan 27, 2020 05:05:01
1. No, Physical status is normal
2.I will check and confirm
3. i tried both , problem is same
4 version , V2R11  
HaseebAkhtar
HaseebAkhtar Created Jan 26, 2020 07:23:40 Helpful(1) Helpful(1)

Normally it dosen't cause issue to use either 10G interfaces or DAC Cable, we've been using regular 10G interfaces for quite some time and didnt faced any issue, 

here are a few thing you can check for yourself quickly, 

- Check what is the physical status of your interfaces X0/0/3 or X0/0/4 when you add ports in stack, (display interface would help) there must be something written ahead of DOWN under status, see what it indicates. 

- Check the log buffer after adding your ports to stack  (run display logbuffer) and check for logs appearing earlier then your port went down

- Once you added your ports to Stack, STP shouldn't effect them but still check the STP Status (display stp brief)

- If there is any intermediate device, check if there is any MTU restrictions on the port, 

- See if you are following the basic rules for stacking Configurations

- if issue still persists then contact your local Huawei TAC with your system's diagnostics. 


View more
  • x
  • convention:

Comment

You need to log in to comment to the post Login | Register
Comment

Notice: To protect the legitimate rights and interests of you, the community, and third parties, do not release content that may bring legal risks to all parties, including but are not limited to the following:
  • Politically sensitive content
  • Content concerning pornography, gambling, and drug abuse
  • Content that may disclose or infringe upon others ' commercial secrets, intellectual properties, including trade marks, copyrights, and patents, and personal privacy
Do not share your account and password with others. All operations performed using your account will be regarded as your own actions and all consequences arising therefrom will be borne by you. For details, see " Privacy."

My Followers

Login and enjoy all the member benefits

Login

Block
Are you sure to block this user?
Users on your blacklist cannot comment on your post,cannot mention you, cannot send you private messages.
Reminder
Please bind your phone number to obtain invitation bonus.