What do the bandwidth contract numbers listed in the ?show datapath bwm? output mean?

Aruba Employee

Product and Software: This article applies to all Aruba controllers and ArubaOS 3.0 and later.

When the controller is under stress, use the 'show datapath bwm table' command to check the type of traffic that is consuming a lot of CPU. If the Policed and Queued Bytes/Pkts columns have non-zero values and the keep incrementing, the network may have a lot of that specific type of traffic. This information helps to narrow down the problem.

#show datapath bwm

Datapath Bandwidth Management Table Entries
-------------------------------------------
CPU Contract Bits/sec Policed Avail Bytes Queued Bytes/Pkts
--- -------- --------- ---------- ----------- -----------------
0     1      20000000   0          78125       0/0
0     2      4000000    0          15625       0/0
0     3      160000000  0          625000      0/0
0     4      4000000    0          15625       0/0
0     5      2000128    0          7813        0/0
0     6      2000128    0          7813        0/0
0     7      2000128    0          7813        0/0
1     1      5000192    0          19532       0/0
1     2      256000     0          1000        0/0


Bandwidth contract 1 to contract 7 for CPU 0 are system built-in contracts:
Contract 1: untrusted unicast
Contract 2: untrusted multicast
Contract 3: trusted unicast
Contract 4: trusted multicast, that is, BPDU packets
Contract 5: frames that need to be routed
Contract 6: session mirror packets
Contract 7: user miss frames

Bandwidth contracts for CPU 1 are the user defined bandwidth contracts.

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Last update:
‎07-05-2014 02:56 AM
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jerebrad

Im curious about these values. What constitues an untrusted unicast/multicast? Where do broadcasts fit in? Are they included in the multicast values?

 

Thanks,

Jeremy

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