# System Forwarding

## nv show system forwarding

Shows traffic forwarding configuration on the switch.

### Version History

Introduced in Cumulus Linux 5.2.0

### Example

    cumulus@switch:~$ nv show system forwarding
                              applied
    ------------------------  -------
    ecmp-hash
      destination-ip          on
      destination-port        on
      gtp-teid                off
      ingress-interface       off
      inner-destination-ip    off
      inner-destination-port  off
      inner-ip-protocol       off
      inner-ipv6-label        off
      inner-source-ip         off
      inner-source-port       off
      ip-protocol             on
      ipv6-label              on
      source-ip               on
      source-port             on
    lag-hash
      destination-ip          on
      destination-mac         on
      destination-port        on
      ether-type              on
      gtp-teid                off
      ip-protocol             on
      source-ip               on
      source-mac              on
      source-port             on
      vlan                    on
    programming
      log-level               info
    host-route-preference     route

## nv show system forwarding ecmp-hash

Shows traffic forwarding ECMP hash configuration on the switch.

### Version History

Introduced in Cumulus Linux 5.2.0

### Example

    cumulus@switch:~$ nv show system forwarding ecmp-hash
                           applied
    ----------------------  -------
    destination-ip          on
    destination-port        on
    gtp-teid                off
    ingress-interface       off
    inner-destination-ip    off
    inner-destination-port  off
    inner-ip-protocol       off
    inner-ipv6-label        off
    inner-source-ip         off
    inner-source-port       off
    ip-protocol             on
    ipv6-label              on
    source-ip               on
    source-port             on

## nv show system forwarding ecmp-weight-normalisation

Shows ECMP weight normaliazation configuration settings.

### Version History

Introduced in Cumulus Linux 5.7.0

### Example

    cumulus@switch:~$ nv show system forwarding ecmp-weight-normalisation
                   applied  pending
    -------------  -------  -------
    mode           enabled  enabled
    max-hw-weight  32       32

## nv show system forwarding lag-hash

Shows traffic forwarding LAG hash configuration on the switch.

### Version History

Introduced in Cumulus Linux 5.2.0

### Example

    cumulus@switch:~$ nv show system forwarding lag-hash
                      applied
    ----------------  -------
    destination-ip    on
    destination-mac   on
    destination-port  on
    ether-type        on
    gtp-teid          off
    ip-protocol       on
    source-ip         on
    source-mac        on
    source-port       on
    vlan              on

## nv show system forwarding programming

Shows traffic forwarding log-level configuration.

### Version History

Introduced in Cumulus Linux 5.3.0

### Example

    cumulus@switch:~$ nv show system forwarding programming
              applied
    ---------  -------
    log-level  info