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The member ports of portchannel can still forward traffic when the portchannel is down #1771

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leoli-nps opened this issue Jun 6, 2018 · 2 comments
Closed

The member ports of portchannel can still forward traffic when the portchannel is down #1771

leoli-nps opened this issue Jun 6, 2018 · 2 comments
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@pavel-shirshov
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@leoli-nps
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Description
I successfully configured PortChannel0001 between the two devices using two physical links. The related configuration is as follows:

    "PORT": {
        "Ethernet48": {
            "alias": "Ethernet49/1",
            "lanes": "80",
            "speed": "10000",
            "index": "48"
        },
        "Ethernet49": {
            "alias": "Ethernet50/1",
            "lanes": "81",
            "speed": "10000",
            "index": "49"
        },
        "Ethernet50": {
            "alias": "Ethernet51/1",
            "lanes": "82",
            "speed": "10000",
            "index": "50"
        }
    }
    "PORTCHANNEL": {
        "PortChannel0001": {
            "members": [
                "Ethernet48",
                "Ethernet49"
            ]
        }
    },
    "VLAN_MEMBER": {
        "Vlan17|PortChannel0001": {
            "tagging_mode": "untagged"
        },
        "Vlan17|Ethernet50": {
            "tagging_mode": "untagged"
        }
    },
    "VLAN": {
        "Vlan17": {
            "vlanid": "17"
        }
    }

When I disconnected one of the links, PortChannel0001 went down, but the other link still forwarded traffic. The following is the operation process(Use # as a comment prompt).

#(PortChannel0001 still up)

admin@switch100:~$ teamshow
Flags: A - active, I - inactive, Up - up, Dw - Down, N/A - not available, S - selected, D - deselected
  No.  Team Dev         Protocol     Ports
-----  ---------------  -----------  ---------------------------
 0001  PortChannel0001  LACP(A)(Up)  Ethernet49(S) Ethernet48(S)
admin@switch100:~$

#(Traffic is forwarded through two ports)

admin@switch100:~$ portstat
Last cached time was 2018-06-06 02:48:14.545146
          IFACE    STATE    RX_OK       RX_BPS    RX_UTIL    RX_ERR    RX_DRP    RX_OVR    TX_OK      TX_BPS    TX_UTIL    TX_ERR    TX_DRP    TX_OVR
---------------  -------  -------  -----------  ---------  --------  --------  --------  -------  ----------  ---------  --------  --------  --------
      Ethernet0        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet1        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet2        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet3        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet4        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet5        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet6        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet7        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet8        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet9        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet10        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet11        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet12        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet13        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet14        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet15        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet16        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet17        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet18        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet19        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet20        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet21        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet22        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet23        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet24        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet25        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet26        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet27        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet28        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet29        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet30        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet31        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet32        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet33        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet34        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet35        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet36        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet37        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet38        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet39        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet40        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet41        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet42        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet43        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet44        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet45        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet46        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet47        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet48        U    5,004  5785.46 B/s      0.00%         0         0       N/A        4   13.29 B/s      0.00%         0         0       N/A
     Ethernet49        U    5,002  5783.15 B/s      0.00%         0         0       N/A        4   13.29 B/s      0.00%         0         0       N/A
     Ethernet50        U        0     0.00 B/s      0.00%         0         0       N/A   10,002  11.29 KB/s      0.00%         0         0       N/A
     Ethernet51        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet52        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet53        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet54        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet55        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet56        X        0     0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
PortChannel0001      N/A      N/A          N/A        N/A       N/A       N/A       N/A      N/A         N/A        N/A       N/A       N/A       N/A
admin@switch100:~$ 

#(link failure)

admin@switch100:~$ show interfaces status Ethernet49
Command: intfutil status Ethernet49
  Interface    Lanes    Speed    MTU         Alias    Oper    Admin
-----------  -------  -------  -----  ------------  ------  -------
 Ethernet49       81      10G   9100  Ethernet50/1    down       up
admin@switch100:~$

#(PortChannel0001 down)

admin@switch100:~$ teamshow
Flags: A - active, I - inactive, Up - up, Dw - Down, N/A - not available, S - selected, D - deselected
  No.  Team Dev         Protocol     Ports
-----  ---------------  -----------  ---------------------------
 0001  PortChannel0001  LACP(A)(Dw)  Ethernet49(D) Ethernet48(S)
admin@switch100:~$

#(Traffic is still being forwarded through another port)

admin@switch100:~$ portstat
Last cached time was 2018-06-06 02:50:16.711588
          IFACE    STATE    RX_OK      RX_BPS    RX_UTIL    RX_ERR    RX_DRP    RX_OVR    TX_OK      TX_BPS    TX_UTIL    TX_ERR    TX_DRP    TX_OVR
---------------  -------  -------  ----------  ---------  --------  --------  --------  -------  ----------  ---------  --------  --------  --------
      Ethernet0        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet1        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet2        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet3        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet4        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet5        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet6        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet7        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet8        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
      Ethernet9        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet10        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet11        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet12        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet13        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet14        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet15        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet16        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet17        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet18        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet19        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet20        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet21        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet22        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet23        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet24        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet25        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet26        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet27        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet28        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet29        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet30        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet31        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet32        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet33        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet34        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet35        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet36        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet37        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet38        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet39        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet40        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet41        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet42        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet43        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet44        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet45        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet46        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet47        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet48        U   10,002  44.71 KB/s      0.00%         0         0       N/A        1    9.15 B/s      0.00%         0         0       N/A
     Ethernet49        D        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet50        U        0    0.00 B/s      0.00%         0         0       N/A   10,000  44.69 KB/s      0.00%         0         0       N/A
     Ethernet51        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet52        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet53        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet54        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet55        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
     Ethernet56        X        0    0.00 B/s      0.00%         0         0       N/A        0    0.00 B/s      0.00%         0         0       N/A
PortChannel0001      N/A      N/A         N/A        N/A       N/A       N/A       N/A      N/A         N/A        N/A       N/A       N/A       N/A
admin@switch100:~$

Steps to reproduce the issue:
1.As described in "Description".
2.
3.

Describe the results you received:
As described in "Description".

Describe the results you expected:
When the PortChannel goes down, its member ports should not forward traffic.

Additional information you deem important (e.g. issue happens only occasionally):

**Output of `show version`:**

admin@switch100:~$ show version
SONiC Software Version: SONiC.201803.0-dirty-20180510.051907
Distribution: Debian 8.10
Kernel: 3.16.0-5-amd64
Build commit: 1dd26fe
Build date: Thu May 10 05:35:51 UTC 2018
Built by: simon@debian89

Docker images:
REPOSITORY                 TAG                              IMAGE ID            SIZE
docker-syncd-nephos        201803.0-dirty-20180510.051907   d740eeeac60d        319.6 MB
docker-syncd-nephos        latest                           d740eeeac60d        319.6 MB
docker-orchagent-nephos    201803.0-dirty-20180510.051907   b1cf7aedb0ea        290.7 MB
docker-orchagent-nephos    latest                           b1cf7aedb0ea        290.7 MB
docker-dhcp-relay          201803.0-dirty-20180510.051907   cf16ce48da3f        285.2 MB
docker-dhcp-relay          latest                           cf16ce48da3f        285.2 MB
docker-database            201803.0-dirty-20180510.051907   d65afb7f3be5        285.2 MB
docker-database            latest                           d65afb7f3be5        285.2 MB
docker-snmp-sv2            201803.0-dirty-20180510.051907   29ea5346df9d        323 MB
docker-snmp-sv2            latest                           29ea5346df9d        323 MB
docker-teamd               201803.0-dirty-20180510.051907   a07ea8d2781f        290.5 MB
docker-teamd               latest                           a07ea8d2781f        290.5 MB
docker-router-advertiser   201803.0-dirty-20180510.051907   77904de1774b        282.8 MB
docker-router-advertiser   latest                           77904de1774b        282.8 MB
docker-platform-monitor    201803.0-dirty-20180510.051907   63445adc75bb        304.8 MB
docker-platform-monitor    latest                           63445adc75bb        304.8 MB
docker-lldp-sv2            201803.0-dirty-20180510.051907   1c66277f9e10        303.6 MB
docker-lldp-sv2            latest                           1c66277f9e10        303.6 MB
docker-fpm-quagga          201803.0-dirty-20180510.051907   a0584bb3cf43        297.1 MB
docker-fpm-quagga          latest                           a0584bb3cf43        297.1 MB

**Attach debug file `sudo generate_dump`:**

sonic_dump_switch100_20180606_025924.tar.gz
@stcheng stcheng mentioned this issue Sep 21, 2018
Open
phanindra-tv added a commit to phanindra-tv/sonic-buildimage that referenced this issue May 10, 2019
@phanindra-tv
Administratively shutting down port channel will remove the ports fro…
7dcf099 
…m trunk in the hardware and thereby traffic stops forwarding. sonic-net#1771
@phanindra-tv phanindra-tv mentioned this issue May 10, 2019
Merged
lguohan pushed a commit that referenced this issue May 29, 2019
@phanindra-tv @lguohan
[teamd]: Administratively shutdown port channel has member ports in d…
df149cd 
…eselected state and traffic is not forwarded. #1771 (#2882)
yxieca pushed a commit that referenced this issue May 30, 2019
@phanindra-tv @yxieca
[teamd]: Administratively shutdown port channel has member ports in d…
abc25df 
…eselected state and traffic is not forwarded. #1771 (#2882)
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stcheng commented Sep 19, 2019

https://github.com/Azure/sonic-buildimage/blob/master/src/libteam/patch/0006-teamd-Administratively-shutdown-port-channel-has-mem.patch

this is fixed! 😆

@stcheng stcheng closed this as completed Sep 19, 2019
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@stcheng , This patch only resolves issue #2066, but the problems in this bug are still not resolved. In this bug, although the portchannel's operator state is down, its admin state is still up. Please check!

@liuh-80 liuh-80 mentioned this issue Nov 9, 2021
Merged
qiluo-msft pushed a commit that referenced this issue Nov 9, 2021
@liuh-80
[sonic-utilities] submodule update (#9203)
e2bffdf 
Updating sonic-utilities sub module with the following commits

63a5257 [TACACS+] Add config command for AAA authorization and accounting. (#1889)
8a8577b [dump] [copp] Fixed the NameError Exception for copp dump module (#1911)
84be8b4 Dump media_settings from appDB during fast-reboot (#1910)
563c416 Allow interface type value none (#1902)
095bf54 generic_updater: Fix service validator related issues (#1901)
efbe1f4 [chassis][supervisor][show][interfaces]show interfaces command warning on Supervisor card (#1771)
487b3b7 Add CRM CLIs for SRV6 nexthop and my_sid_entry (#1883)
judyjoseph added a commit that referenced this issue Nov 14, 2021
@judyjoseph
Update sub-modules
ff46130 
sonic-snmpagent
7e46eb1 [201911][RFC1213]: Initialize lag oid map in reinit_data (#234)
aa98ded CPU Spike because of redundant and flooded keyspace notifis handled (#230)

sonic-swss
bc4e334 [Mux orch] Handle setting unknown mux state (#1984)
bd3630b [tunnel decap] Change tunnel orch order (#1977)
87a673a Fix the option missing in kernel config issue (#1973)
57967a1 [orchagent] Fix group name of port-buffer-drop in flexcounterorch.cpp (#1967)

sonic-utilities
181e8b0 Fix the option missing in kernel config issue (#1888)
21c0cc0 [watermarkstat] Fix for error in processing empty array from couters db (#1810)
7f15755 [chassis][supervisor][show][interfaces]show interfaces command warning on Supervisor card (#1771)
taras-keryk pushed a commit to taras-keryk/sonic-buildimage that referenced this issue Apr 28, 2022
@mlok-nokia
[chassis][supervisor][show][interfaces]show interfaces command warnin…
efbe1f4 
…g on Supervisor card (sonic-net#1771)

What I did
Fixed sonic-net#8521

How I did it
Before displaying the warning message, call device_info.is_supervisor() function to check if it is supervisor card, don't display the warning message.

How to verify it
Running the image on supervisor card
Execute the CLI "show interfaces status"
No warning should be seen.

Signed-off-by: mlok <marty.lok@nokia.com>
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