llap

Onload User Guide (UG1586)

Document ID
UG1586
Release Date
2023-07-31
Revision
1.2 English

The llap command provides some of the data available from the ip link show command.

Link state and link characteristics data is displayed for all layer 2 interfaces which have a loaded driver. Interfaces are sequentially numbered [nnn], this value is dynamically calculated and should not be used to refer to the interface.

# onload_mibdump -a llap
Control plane state for server 21745:

<Version info - see Version>

LLAP table:

llap[000]: enp4s0f1 (650) UP mtu 1500 arp_base 30000ms
         TX hwports 1
         RX hwports 1
         mac 00:0f:53:01:45:49
llap[001]: enp4s0f0 (649) UP mtu 1500 arp_base 30000ms
         TX hwports 0
         RX hwports 0
         mac 00:0f:53:01:45:48
llap[002]:     eth0 (652) UP mtu 1500 arp_base 30000ms
         TX hwports 2
         RX hwports 2
         mac 00:0f:53:21:9b:b0
llap[003]: enp5s0f1 (653) UP mtu 1500 arp_base 30000ms
         TX hwports 3
         RX hwports 3
         mac 00:0f:53:21:9b:b1
llap[004]:       lo (1) UP mtu 65535 arp_base 30000ms
         encap LOOP
         no TX hwports
         no RX hwports
llap[005]:     eno1 (2) UP mtu 1500 arp_base 30000ms
         no TX hwports
         no RX hwports
llap[006]:     eno2 (3) UP mtu 1500 arp_base 30000ms
         no TX hwports
         no RX hwports
llap[007]:     eno3 (4) UP mtu 1500 arp_base 30000ms
         no TX hwports
         no RX hwports
llap[008]:     eno4 (5) UP mtu 1500 arp_base 30000ms
         no TX hwports
         no RX hwports
  • arp_base

    is the /proc/sys/net/ipv4/neigh/<iface>/base_reachable_time_ms (milliseconds).

  • no TX/RX hwports

    is a mask mapping kernel interfaces to Onload interfaces.