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output buffers swapped out

Which it is the meant one of the field "output buffers swapped out" ?

Serial9/3 is up, line protocol is up

Hardware is cxBus Serial

Internet address is X.Y.Z.W

MTU 1500 bytes, BW 2048 Kbit, DLY 20000 usec, rely 255/255, load 20/255

Encapsulation HDLC, crc 16, loopback not set, keepalive set (10 sec)

Last input 00:00:02, output 00:00:02, output hang never

Last clearing of "show interface" counters 00:55:58

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/119/256 (active/max active/max total)

Reserved Conversations 0/0 (allocated/max allocated)

5 minute input rate 61000 bits/sec, 55 packets/sec

5 minute output rate 168000 bits/sec, 38 packets/sec

184564 packets input, 30386475 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

1 input errors, 1 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

131966 packets output, 79785898 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 output buffer failures, 7956 output buffers swapped out

0 carrier transitions

RTS up, CTS up, DTR up, DCD up, DSR up


Re: output buffers swapped out

When the RSP is transmitting a packet, but the transmit queue is full, a system buffer is borrowed by the output hold queue. This feature is referred to as "backing store", and helps prevent the router from dropping packets during high bursts.