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The problem of the main upstream router (Cisco ASR 1001-X)

mmendis
Level 1
Level 1
Dear team,

There is an issue with one of our router (Cisco ASR 1001-X). When we bind two fiber interfaces (with SFP) to implement the ether channel, one the interface shows as suspended and the other showed as bundled. But both of the interfaces were up. Then the port has the issue, replaced with copper SFP. And this EtherChannel's both interfaces got bundled without a problem.  If you can figure out what's causing this issue, please respond to us as soon as possible.
Thank You.
15 Replies 15

Leo Laohoo
Hall of Fame
Hall of Fame

@mmendis wrote:
When we bind two fiber interfaces (with SFP) to implement the ether channel, one the interface shows as suspended and the other showed as bundled

Do both ports have the same speed?  

yes. both ports are gigabit ports.


@mmendis wrote:

yes. both ports are gigabit ports.


No, that is not what I ask.  

ASR optic ports can support 1 or 10 Gbps.  What optics are installed?

Next, look at the port config.  Is there a command that says "media type sfp"?

marce1000
VIP
VIP

 

         - Check the logs when this problem happens.

 M.



-- ' 'Good body every evening' ' this sentence was once spotted on a logo at the entrance of a Weight Watchers Club !

balaji.bandi
Hall of Fame
Hall of Fame

where is these routers located the same place, what kind of patch cable using, what is the distance between these device ? Can you post the below output from both the routers :

 

show run interface  x/x

show interface x./x

show interface x./x tran

show etherchan x sum

 

BB

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Jesse Mijares
Level 1
Level 1
 

 Hi how are you? you could validate the speed set at each end, you could put the configuration of each interface.
Additionally, can you send me the model of the fiber SFP that you are using?

Dear Team,

Please find the following Details.

SFP Model :  -  sfp-ge-l

 

 

 

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Capture.PNG

1.PNG

2.PNG

3.PNG

Why does Gi0/0/1 has >105 input errors?

Dear Team,

 

We first noticed an input error. That's why we double-checked the ports by shifting them and up and down them. But, the suspended error was always displayed.

Thank You.

What is at the other end of this router?  What information do we have about the other side?

I can see Gi0/0/0 is "up" but how come there is 0 incoming traffic (meaning the remote end is not sending anything).

Hello @mmendis ,

you have channe-mode active so you are using LACP on each member link

(edit  : you have only 105 input errors and no valid input packets so you have a physical layer issue what happens if you swap the SFP on the switch side?

, the suspended state is actually a result of OSI layer 1 problem see explanation below)

as mentioned by @Leo Laohoo what is on the other side of this port-channel?

#  IGNORE below it is just an explanation of what suspended means:

 

if it is a blade server it may have reacted to the shut / no shut by disabling LACP on this member link.

The suspended state is exactly this :

the local switch is not receiving LACP frames on the affected port from the other side.

 

You need to know what you do.

Next time post the show interface in txt format they are easier to read

 

Hope to help

Giuseppe

 

Can you send information from bot the side as attachment rather images to read correctly :

 

show run interface x/x

show interface x./x

show interface x./x tran

show etherchan x sum

 

BB

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Good morning,

Dear,

Could you please configure both ends with their speed and speed, additionally I wanted to know all the ports are fiber SFP.

Regards,
JM

 

Observing the configuration can you send me the configuration of Port-channel 1

Regards,

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