WJH

nv show system wjh

Shows WJH configuration on the switch. WJH provides real time visibility into network problems.

Version History

Introduced in Cumulus Linux 5.3.0

Example

cumulus@switch:~$ nv show system wjh
                operational  applied
---------------  -----------  -------
enable                        on
[channel]
[packet-buffer]

nv show system wjh channel

Shows WJH channel configuration on the switch.

Version History

Introduced in Cumulus Linux 5.3.0

Example

cumulus@switch:~$ nv show system wjh channel

nv show system wjh channel <channel-id>

Shows configuration for the specified WJH channel on the switch.

Command Syntax

Syntax	Description
`<channel-id>`	The channel name.

Version History

Introduced in Cumulus Linux 5.3.0

Example

cumulus@switch:~$ nv show system wjh channel forwarding

nv show system wjh channel <channel-id> trigger

Shows the configuration for packet drop categories in a WJH channel.

Command Syntax

Syntax	Description
`<channel-id>`	The channel name.

Version History

Introduced in Cumulus Linux 5.3.0

Example

cumulus@switch:~$ nv show system wjh channel forwarding trigger

nv show system wjh channel <channel-id> buffer-threshold

Shows WJH channel latency and congestion threshold configuration.

Syntax	Description
`<channel-id>`	The channel name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold
Latency buffer threshold
===========================
    Traffic Class  Interface  High threshold
    -------------  ---------  --------------
    all            all        1000

Congestion buffer threshold
==============================
    Traffic Class  Interface  High threshold
    -------------  ---------  --------------
    all            swp1       20
                   swp2       20
                   swp3       20

nv show system wjh channel <channel-id> buffer-threshold latency

Shows WJH channel latency threshold information.

Syntax	Description
`<channel-id>`	The channel name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold latency
Latency buffer threshold
===========================
    Traffic Class  Interface  High threshold
    -------------  ---------  --------------
    all            all        1000

nv show system wjh channel <channel-id> buffer-threshold latency tc

Shows WJH channel latency buffer thresholds for all traffic classes.

Syntax	Description
`<channel-id>`	The channel name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold latency tc
No Data

nv show system wjh channel <channel-id> buffer-threshold latency tc <tc-id>

Shows WJH channel latency buffer thresholds for a specific traffic class.

Syntax	Description
`<channel-id>`	The channel name.
`<tc-id>`	The traffic class.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold latency tc 3
interface
============
No Data

nv show system wjh channel <channel-id> buffer-threshold latency tc <tc-id> interface

Shows WJH channel latency buffer thresholds for traffic class interfaces.

Syntax	Description
`<channel-id>`	The channel name.
`<tc-id>`	The traffic class.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold latency tc 3 interface
No Data

nv show system wjh channel <channel-id> buffer-threshold latency tc <tc-id> interface <interface-id>

Shows WJH channel latency buffer thresholds for a specific traffic class and interface.

Syntax	Description
`<channel-id>`	The channel name.
`<tc-id>`	The traffic class.
`<interface-id>`	The interface ID.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold latency tc 3 interface swp1
No Data

nv show system wjh channel <channel-id> buffer-threshold congestion

Shows WJH channel congestion information.

Syntax	Description
`<channel-id>`	The channel name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold congestion
Congestion buffer threshold
==============================
    Traffic Class  Interface  High threshold
    -------------  ---------  --------------
    all            swp1       20
                   swp2       20
                   swp3       20

nv show system wjh channel <channel-id> buffer-threshold congestion tc

Shows WJH channel buffer congestion for all traffic classes.

Syntax	Description
`<channel-id>`	The channel name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold congestion tc
No Data

nv show system wjh channel <channel-id> buffer-threshold congestion tc <tc-id>

Shows WJH channel buffer congestion for a specific traffic class.

Syntax	Description
`<channel-id>`	The channel name.
`<tc-id>`	The traffic class.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold congestion tc 3
interface
============
No Data

nv show system wjh channel <channel-id> buffer-threshold congestion tc <tc-id> interface

Shows WJH channel buffer congestion for traffic class interfaces.

Syntax	Description
`<channel-id>`	The channel name.
`<tc-id>`	The traffic class.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold congestion tc 3 interface
No Data

nv show system wjh channel <channel-id> buffer-threshold congestion tc <tc-id> interface <interface-id>

Shows WJH channel buffer congestion for a specific traffic class and interface.

Syntax	Description
`<channel-id>`	The channel name.
`<tc-id>`	The traffic class.
`<interface-id>`	The interface ID.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel buffer buffer-threshold congestion tc 3 interface swp1
No Data

nv show system wjh channel <channel-id> drop-filter

Shows the drop filters configured on the switch.

Syntax	Description
`<channel-id>`	The channel name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel forwarding drop-filter
Filter name  Summary                
-----------  -----------------------
IP-DROPS     IP address: 10.10.10.10
TUNNEL1      Drop category:   tunnel

nv show system wjh channel <channel-id> drop-filter <filter-id>

Shows drop filter configuration for a specific filter.

Syntax	Description
`<channel-id>`	The channel name.
`<filter-id>`	The filter name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel forwarding drop-filter TUNNEL1
             operational  applied
-----------  -----------  -------
[drop-type]  tunnel       tunnel

nv show system wjh channel <channel-id> drop-filter <filter-id> drop-type

Shows the drop filter type configuration for a specific channel.

Syntax	Description
`<channel-id>`	The channel name.
`<filter-id>`	The filter name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel forwarding drop-filter TUNNEL1 drop-type
Drop category  Summary                                            
-------------  ---------------------------------------------------
tunnel         Drop reason: overlay-switch-src-mac-equals-dest-mac

nv show system wjh channel <channel-id> drop-filter <filter-id> drop-type <drop-type-id>

Shows drop filter information for a specific channel and drop filter.

Syntax	Description
`<channel-id>`	The channel name.
`<filter-id>`	The filter name.
`<drop-type-id>`	The drop type: `acl`, `buffer`, `l2`, `l3`, or `tunnel`.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel forwarding drop-filter TUNNEL1 drop-type l2
No Data

nv show system wjh channel <channel-id> drop-filter <filter-id> drop-type <drop-type-id> drop-reason

Shows the drop filter drop reasons configuration for a specific channel.

Syntax	Description
`<channel-id>`	The channel name.
`<filter-id>`	The filter name.
`<drop-type-id>`	The drop type: `acl`, `buffer`, `l2`, `l3`, or `tunnel`.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel forwarding drop-filter TUNNEL1 drop-type l3 drop-reason
No Data

nv show system wjh channel <channel-id> drop-filter <filter-id> ip

Shows the WJH channel drop filter IP addresses.

Syntax	Description
`<channel-id>`	The channel name.
`<filter-id>`	The filter name.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$  nv show system wjh channel forwarding drop-filter TUNNEL1 ip 
No Data

nv show system wjh channel <channel-id> drop-filter <filter-id> ip <ip-address>

Shows WJH channel drop filter information for a specific IP address.

Syntax	Description
`<channel-id>`	The channel name.
`<filter-id>`	The filter name.
`<ip-address>`	The IP address.

Version History

Introduced in Cumulus Linux 5.18.0

Example

cumulus@switch:~$ nv show system wjh channel forwarding drop-filter TUNNEL1 ip 10.10.10.10
No Data

nv show system wjh packet-buffer

Shows all dropped packets monitored by WJH and the reason for the drop.

Version History

Introduced in Cumulus Linux 5.3.0

Example

cumulus@switch:~$ nv show system wjh packet-buffer
#   dMAC  dPort  Dst IP:Port  EthType  Drop group  IP Proto  Drop reason - Recommended action                         Severity  sMAC  sPort    Src IP:Port  Timestamp              VLAN
--  ----  -----  -----------  -------  ----------  --------  -------------------------------------------------------  --------  ----  -------  -----------  ---------------------  ----
1   N/A   N/A    N/A          N/A      L1          N/A       Generic L1 event - Check layer 1 aggregated information  Warn      N/A   swp17    N/A          22/11/03 01:00:35.458  N/A
2   N/A   N/A    N/A          N/A      L1          N/A       Generic L1 event - Check layer 1 aggregated information  Warn      N/A   swp18    N/A          22/11/03 01:00:35.458  N/A
3   N/A   N/A    N/A          N/A      L1          N/A       Generic L1 event - Check layer 1 aggregated information  Warn      N/A   swp19    N/A          22/11/03 01:00:35.458  N/A
4   N/A   N/A    N/A          N/A      L1          N/A       Generic L1 event - Check layer 1 aggregated information  Warn      N/A   swp20    N/A          22/11/03 01:00:35.458  N/A