ASR 1001X - Ten

[npapag1900]

Hello,

  we have purchased for our datacenter two new Cisco ASR1001-X.

On both of them the TenGigabitEthernet interfaces have no coniguration [1] , no SFPs and no cables connected.

In both of them we see errors (input, CRC) [2] on TenGigabitEthernet interfaces.

The errors increase even though the TenGigabitEthernet  interfaces are shutdown and there are no cables connected on them [1].

Any idea ?

[1]

!
interface TenGigabitEthernet0/0/0
 no ip address
 shutdown
!

[2]

CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5374 input errors, 5166 CRC, 314297108 frame, 0 overrun, 0 ignored
CR1#
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5375 input errors, 5167 CRC, 314302911 frame, 0 overrun, 0 ignored
CR1#sh interfaces tenGigabitEthernet 0/0/0 | inc CRC
     5375 input errors, 5167 CRC, 314302911 frame, 0 overrun, 0 ignored

[3]

Next reload license Level: adventerprise

cisco ASR1001-X (1NG) processor (revision 1NG) with 3729256K/6147K bytes of memo
ry.
Processor board ID FXS2124Q0D8
6 Gigabit Ethernet interfaces
2 Ten Gigabit Ethernet interfaces

[Rick1776]

This is normal, I've seen this as well. No shut then shut the interfaces down again. Also have you applied the licenses for the 10G interfaces (seen that give out errors as well). Otherwise the 10G int. won't work. I have seen interfaces not shutdown with no cables attached send out errors but it's usually a cable management packet trying to see if the other end is up. I bet if you plug in a cable back to back in the routers the errors will go away.

[npapag1900]

Thanks for your effort. I reply bellow.

>> No shut then shut the interfaces down again.

I did it again, the errors continue to increase on 10G interfaces.

>> Also have you applied the licenses for the 10G interfaces (seen that give out errors as well). 

When I did no shut on 10G interfaces it prompted me to accept the license.  I replied yes. The 10G interfaces are not used.

>> I bet if you plug in a cable back to back in the routers the errors will go away.

I do not have spare 10G SFPs.

[Rick1776]

My next step would be to call Cisco TAC. That doesn't seem right that the interfaces are erroring out in a shutdown state.

[npapag1900]

Thanks. The issue is now submitted to TAC.

[Rick1776]

One more thing. What does the output of the "show license details" give you. I searched the Bug Database and nothing came up except for the following.

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvc91743

[Rick1776]

Do you see the same error's on the Gigabit int?

[npapag1900]

>> Do you see the same error's on the Gigabit int?

No

[Rick1776]

Any word on this case?

[npapag1900]

Yes. There is a bug in release 16.3.4 specific to ASR1001-X. It is fixed in 16.3.5 but I have not tried it yet. 

https://quickview.cloudapps.cisco.com/quickview/bug/CSCvb78322

[Rick1776]

Thanks for the follow up.