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No counter on Nexus 7K when enter command "Show interace vlan XXX "

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Hele Du
Level 1
Level 1

‎07-10-2015 01:27 AM - edited ‎03-08-2019 12:54 AM

Hi all,

 

There is no counter on interface vlan 999 on nexus 7K.

 

Is there have some workarounds to fix this ?

 

As far as I know on Catalyst 6500 or 4500 there is a counters command under interface Vlan, does nexus 7000 have some function?

Vlan999 is up, line protocol is up, autostate enabled
  Hardware is EtherSVI, address is  e8ed.f324.4342
  Internet Address is 192.168.200.118/30
  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
   reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive not supported
  ARP type: ARPA
  Last clearing of "show interface" counters never
  60 seconds input rate 0 bits/sec, 0 packets/sec
  60 seconds output rate 0 bits/sec, 0 packets/sec
  Load-Interval #2: 5 minute (300 seconds)
    input rate 0 bps, 0 pps; output rate 0 bps, 0 pps
  L3 Switched:
    input: 0 pkts, 0 bytes - output: 0 pkts, 0 bytes
  L3 in Switched:
    ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes
  L3 out Switched:
    ucast: 0 pkts, 0 bytes - mcast: 0 pkts, 0 bytes

 

Labels:
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Vinit Jain
Cisco Employee
Cisco Employee
In response to Hele Du

‎07-13-2015 07:54 AM

Hello Hele

I think F2e card do support SVI Counters but then i think the VDC has to be just F2e only. SVI statistics capability is F2e-only.

Thanks
--Vinit

View solution in original post

17 Replies 17

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Vinit Jain
Cisco Employee
Cisco Employee

‎07-10-2015 10:59 AM

Hello

Could you please share the NxOS verison that you are using. Also, can you share the output of "show interface vlan 999 counters"

Thanks,

Vinit

Thanks
--Vinit
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Hele Du
Level 1
Level 1
In response to Vinit Jain

‎07-11-2015 10:04 PM

Hi Vinit,

 

Thank you for your response.

 

The version and counter information is below：

XP-N7K-2-idc-1# show ver
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Documents: http://www.cisco.com/en/US/products/ps9372/tsd_products_support_series_home.html
Copyright (c) 2002-2014, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php

Software
  BIOS:      version 2.12.0
  kickstart: version 6.2(10)
  system:    version 6.2(10)
  BIOS compile time:       05/29/2013
  kickstart image file is: bootflash:///n7000-s2-kickstart.6.2.10.bin
  kickstart compile time:  10/9/2014 12:00:00 [10/17/2014 03:45:38]
  system image file is:    bootflash:///n7000-s2-dk9.6.2.10.bin
  system compile time:     10/9/2014 12:00:00 [10/17/2014 05:39:33]


Hardware
  cisco Nexus7000 C7009 (9 Slot) Chassis ("Supervisor Module-2")
  Intel(R) Xeon(R) CPU         with 12224948 kB of memory.
  Processor Board ID JAF1827ALRC

  Device name: XP-N7K-2-idc-1
  bootflash:    2007040 kB
  slot0:              0 kB (expansion flash)

Kernel uptime is 147 day(s), 18 hour(s), 27 minute(s), 11 second(s)

Last reset
  Reason: Unknown
  System version: 6.2(10)
  Service:

plugin
  Core Plugin, Ethernet Plugin
XP-N7K-2-idc-1# show inter vlan 999 counter

--------------------------------------------------------------------------------
Port                                 InOctets                      InUcastPkts
--------------------------------------------------------------------------------
Vlan999                                    0                                 0

--------------------------------------------------------------------------------
Port                              InMcastPkts                      InBcastPkts
--------------------------------------------------------------------------------
Vlan999                                    0                                --

--------------------------------------------------------------------------------
Port                                OutOctets                     OutUcastPkts
--------------------------------------------------------------------------------
Vlan999                                    0                                 0

--------------------------------------------------------------------------------
Port                             OutMcastPkts                     OutBcastPkts
--------------------------------------------------------------------------------
Vlan999                                    0                                --
XP-N7K-2-idc-1#                          

 

I am sure there are many packets received on VLAN999 for internet access.

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Vinit Jain
Cisco Employee
Cisco Employee
In response to Hele Du

‎07-11-2015 10:27 PM

Thanks for the information. Could you please confirm if the VDC in which you have this SVI is configured as F2e. If thats the case, then this is an expected behavior.

http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/virtual_device_context/configuration/guide/b-7k-Cisco-Nexus-7000-Series-NX-OS-Virtual-Device-Context-Configuration-Guide/managing-vdc.html#concept_90BEF2977FAE454CA21D6D33F22A07A9

Please capture the below logs to confirm the same.

- show run vdc
- show vdc resource

Thanks

Vinit

Thanks
--Vinit

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Hele Du
Level 1
Level 1
In response to Vinit Jain

‎07-13-2015 02:46 AM

Hi Vinit,

 

Yes, I am using F2E card for SVI and no M card in chassis.

 

I had read the reference document, I think it talk about the M card and F2E card in same VDC.

 

The information is below:

version 6.2(10)
no vdc combined-hostname
system admin-vdc
vdc XP-N7K-1-admin id 1
  cpu-share 5
  limit-resource vlan minimum 16 maximum 4094
  limit-resource monitor-session minimum 0 maximum 2
  limit-resource monitor-session-erspan-dst minimum 0 maximum 23
  limit-resource vrf minimum 2 maximum 4096
  limit-resource port-channel minimum 0 maximum 768
  limit-resource u4route-mem minimum 96 maximum 96
  limit-resource u6route-mem minimum 24 maximum 24
  limit-resource m4route-mem minimum 58 maximum 58
  limit-resource m6route-mem minimum 8 maximum 8
  limit-resource monitor-session-inband-src minimum 0 maximum 1
  limit-resource anycast_bundleid minimum 0 maximum 16
  limit-resource monitor-session-mx-exception-src minimum 0 maximum 1
  limit-resource monitor-session-extended minimum 0 maximum 12
vdc XP-N7K-1-idc-1 id 2
  limit-resource module-type f2 f2e
  cpu-share 5
  allocate interface Ethernet3/1-48
  allocate interface Ethernet4/1-48
  boot-order 1
  limit-resource vlan minimum 16 maximum 4094
  limit-resource monitor-session minimum 0 maximum 2
  limit-resource monitor-session-erspan-dst minimum 0 maximum 23
  limit-resource vrf minimum 2 maximum 4096
  limit-resource port-channel minimum 0 maximum 768
  limit-resource u4route-mem minimum 8 maximum 8
  limit-resource u6route-mem minimum 4 maximum 4
  limit-resource m4route-mem minimum 8 maximum 8
  limit-resource m6route-mem minimum 5 maximum 5
  limit-resource monitor-session-inband-src minimum 0 maximum 1
  limit-resource anycast_bundleid minimum 0 maximum 16
  limit-resource monitor-session-mx-exception-src minimum 0 maximum 1
  limit-resource monitor-session-extended minimum 0 maximum 12
vdc XP-N7K-1-idc-2 id 3
  limit-resource module-type m1 f1 m1xl m2xl
  cpu-share 5
  boot-order 1
  limit-resource vlan minimum 16 maximum 4094
  limit-resource monitor-session minimum 0 maximum 2
  limit-resource monitor-session-erspan-dst minimum 0 maximum 23
  limit-resource vrf minimum 2 maximum 4096
  limit-resource port-channel minimum 0 maximum 768
  limit-resource u4route-mem minimum 8 maximum 8
  limit-resource u6route-mem minimum 4 maximum 4
  limit-resource m4route-mem minimum 8 maximum 8
  limit-resource m6route-mem minimum 5 maximum 5
  limit-resource monitor-session-inband-src minimum 0 maximum 1
  limit-resource anycast_bundleid minimum 0 maximum 16
  limit-resource monitor-session-mx-exception-src minimum 0 maximum 1
  limit-resource monitor-session-extended minimum 0 maximum 12


XP-N7K-1-admin# show vdc resource

  vlan                53 used    11 unused  16330 free  16319 avail  16383 total

  monitor-session      0 used     0 unused      2 free      2 avail      2 total

  monitor-session-erspan-dst      0 used     0 unused     23 free     23 avail     23 total

  vrf                  7 used     0 unused   4089 free   4089 avail   4096 total

  port-channel         3 used     0 unused    765 free    765 avail    768 total

  u4route-mem          3 used   109 unused    513 free    404 avail    516 total

  u6route-mem          3 used    29 unused    205 free    176 avail    208 total

  m4route-mem          2 used    72 unused    198 free    126 avail    200 total

  m6route-mem          2 used    16 unused     78 free     62 avail     80 total

  monitor-session-inband-src      0 used     0 unused      1 free      1 avail      1 total

  anycast_bundleid      0 used     0 unused     64 free     64 avail     64 total

  monitor-session-mx-exception-src      0 used     0 unused      1 free      1 avail      1 total

  monitor-session-extended      0 used     0 unused     12 free     12 avail     12 total

XP-N7K-1-admin#
XP-N7K-1-admin#

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Vinit Jain
Cisco Employee
Cisco Employee
In response to Hele Du

‎07-13-2015 05:16 AM

Hello,

that doc also talks about the VDC type being F2, F2e in which case it will disable the capability of SVI statistics.

Hope this explains the cause of the behavior.

Please let me know if you have any further questions.

HTH

Vinit

PS: Please mark the question as answered if your query has been answered.

Thanks
--Vinit

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Hele Du
Level 1
Level 1
In response to Vinit Jain

‎07-13-2015 06:12 AM

Hi Vinit,

 

Do you talked about the below?

 

F2,F2e

F2e

Yes

Enables F2e-only capabilities like SVI statistics.

You will lose the F2,F2e configuration during the rebinding of the interface. F2 configuration loss should not have much impact because F2 ports are not part of the new VDC.

 

 I don`t  change the VDC module-type from old to new, it also impact VDC which is using F2E for initiation ?

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Vinit Jain
Cisco Employee
Cisco Employee
In response to Hele Du

‎07-13-2015 07:26 AM

Could you please share the show module output from the Nexus.

Thanks
--Vinit
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Vinit Jain
Cisco Employee
Cisco Employee
In response to Hele Du

‎07-13-2015 07:29 AM

Below is a more specific CCO document specifying that F2 modules do not support per vlan statistics:

http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/6_x/nx-os/release/notes/61_nx-os_release_note.html#pgfId-608434

The VDC 2 is F2 F2e in which case 

 

F2e

F2,F2e

Yes

Disables F2e-only capabilities like SVI statistics.

You will lose only the F2e configuration.

 

Hope this clarifies

Thanks
--Vinit

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Vinit Jain
Cisco Employee
Cisco Employee
In response to Vinit Jain

‎07-13-2015 07:42 AM

One thing i wanted to know is during the VDC creation, did you configure "rebind interfaces" comamnd. To be more precise, how did you configure the VDC id 2.

Thanks
--Vinit
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Hele Du
Level 1
Level 1
In response to Vinit Jain

‎07-13-2015 07:51 AM

Hi Vinit,

 

I only used "module-type" command to specifying the F2 and f2e when create VDC 2.

 

The output "show module" is below:

XP-N7K-1-admin# show vdc

Switchwide mode is m1 f1 m1xl f2 m2xl f2e f3

vdc_id  vdc_name                          state               mac                 type        lc      
------  --------                          -----               ----------          ---------   ------  
1       XP-N7K-1-admin                    active              84:78:ac:21:48:c1   Admin       None    
2       XP-N7K-1-idc-1                    active              84:78:ac:21:48:c2   Ethernet    f2 f2e  
3       XP-N7K-1-idc-2                    active              84:78:ac:21:48:c3   Ethernet    m1 f1 m1xl m2xl

XP-N7K-1-admin# show module
Mod  Ports  Module-Type                         Model              Status
---  -----  ----------------------------------- ------------------ ----------
1    0      Supervisor Module-2                 N7K-SUP2           active *
2    0      Supervisor Module-2                 N7K-SUP2           ha-standby
3    48     1/10 Gbps Ethernet Module           N7K-F248XP-25E     ok
4    48     1/10 Gbps Ethernet Module           N7K-F248XP-25E     ok

Mod  Sw              Hw
---  --------------  ------
1    6.2(10)         1.1     
2    6.2(10)         1.1     
3    6.2(10)         1.0     
4    6.2(10)         1.0     

 

Mod  MAC-Address(es)                         Serial-Num
---  --------------------------------------  ----------
1    84-78-ac-26-02-1f to 84-78-ac-26-02-31  JAF1728ADGB
2    84-78-ac-26-29-c1 to 84-78-ac-26-29-d3  JAF1728ACJN
3    d8-67-d9-79-ec-80 to d8-67-d9-79-ec-b3  JAF1729AGJK
4    84-78-ac-27-89-c8 to 84-78-ac-27-89-fb  JAF1729AAGK

Mod  Online Diag Status
---  ------------------
1    Pass
2    Pass
3    Pass
4    Pass

Xbar Ports  Module-Type                         Model              Status
---  -----  ----------------------------------- ------------------ ----------
1    0      Fabric Module 2                     N7K-C7009-FAB-2    ok
2    0      Fabric Module 2                     N7K-C7009-FAB-2    ok
3    0      Fabric Module 2                     N7K-C7009-FAB-2    ok

Xbar Sw              Hw
---  --------------  ------
1    NA              3.2     
2    NA              3.2     
3    NA              3.2     

 

Xbar MAC-Address(es)                         Serial-Num
---  --------------------------------------  ----------
1    NA                                      JAF1727BMFN
2    NA                                      JAF1728ALLT
3    NA                                      JAF1728AJEF

* this terminal session
XP-N7K-1-admin# show run

!Command: show running-config
!Time: Mon Jul 13 22:47:07 2015

version 6.2(10)
power redundancy-mode ps-redundant

hostname XP-N7K-1-admin
system admin-vdc
no vdc combined-hostname
vdc XP-N7K-1-admin id 1
  cpu-share 5
  limit-resource vlan minimum 16 maximum 4094
  limit-resource monitor-session minimum 0 maximum 2
  limit-resource monitor-session-erspan-dst minimum 0 maximum 23
  limit-resource vrf minimum 2 maximum 4096
  limit-resource port-channel minimum 0 maximum 768
  limit-resource u4route-mem minimum 96 maximum 96
  limit-resource u6route-mem minimum 24 maximum 24
  limit-resource m4route-mem minimum 58 maximum 58
  limit-resource m6route-mem minimum 8 maximum 8
  limit-resource monitor-session-inband-src minimum 0 maximum 1
  limit-resource anycast_bundleid minimum 0 maximum 16
  limit-resource monitor-session-mx-exception-src minimum 0 maximum 1
  limit-resource monitor-session-extended minimum 0 maximum 12
vdc XP-N7K-1-idc-1 id 2
  limit-resource module-type f2 f2e
  cpu-share 5
  allocate interface Ethernet3/1-48
  allocate interface Ethernet4/1-48
  boot-order 1
  limit-resource vlan minimum 16 maximum 4094
  limit-resource monitor-session minimum 0 maximum 2
  limit-resource monitor-session-erspan-dst minimum 0 maximum 23
  limit-resource vrf minimum 2 maximum 4096
  limit-resource port-channel minimum 0 maximum 768
  limit-resource u4route-mem minimum 8 maximum 8
  limit-resource u6route-mem minimum 4 maximum 4
  limit-resource m4route-mem minimum 8 maximum 8
  limit-resource m6route-mem minimum 5 maximum 5
  limit-resource monitor-session-inband-src minimum 0 maximum 1
  limit-resource anycast_bundleid minimum 0 maximum 16
  limit-resource monitor-session-mx-exception-src minimum 0 maximum 1
  limit-resource monitor-session-extended minimum 0 maximum 12

 

I found a release note for NX-OS 6.2

 

SVI Statistics on an F2 Series Module

F2 Series I/O modules do not support per-VLAN statistics. Therefore, the show interface command will not display per-VLAN Rx/Tx counters or statistics for switch virtual interfaces (SVIs).

 

http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/6_x/nx-os/release/notes/62_nx-os_release_note.html#pgfId-813735

 

May be here is the thing, F2 and F2E do not support SVI statistics even I do not have a M card in chassis.

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Vinit Jain
Cisco Employee
Cisco Employee
In response to Hele Du

‎07-13-2015 07:54 AM

Hello Hele

I think F2e card do support SVI Counters but then i think the VDC has to be just F2e only. SVI statistics capability is F2e-only.

Thanks
--Vinit

Go to solution
Hele Du
Level 1
Level 1
In response to Vinit Jain

‎07-13-2015 08:06 AM

Hi Vinit,

 

Thank you for your patient explaining.

 

I think you are right, F2 do not support SVI statistics but F2E can.

 

So I need  to specify module-type from f2 f2e to f2e only.

 

 

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Vinit Jain
Cisco Employee
Cisco Employee
In response to Hele Du

‎07-13-2015 08:06 AM

Thanks,

Let me know how it goes. 

And, do mark the question as answered if you have all ur queries answered.

HTH

Vinit

Thanks
--Vinit
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Hele Du
Level 1
Level 1
In response to Vinit Jain

‎07-13-2015 08:22 AM

Hi Vinit,

 

It is really mt appreciate.

 

I marked this question to solved.

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