Specifications
3-58
Cisco Cable Modem Termination System Feature Guide
0L-1467-02
Chapter 3 Spectrum Management for the Cisco Cable Modem Termination System
Configuration Examples
Applying the Rate-Limiting Algorithm Without Rate Limiting Example
Router(config-if)# cable upstream 0 rate-limit
Router# ping ip
Target IP address:1.11.53.100
Repeat count [5]:100000
Datagram size [100]:10000
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 100000, 10000-byte ICMP Echos to 1.11.53.100, timeout is 2 seconds:
!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!
.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!
!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!
.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!
.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.
!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!!.!!.!.!!
!.!!.!.!!!.!!.!.!!!.!!.!.!!!
Router# show interface c3/0 sid 1 counters
Sid Inpackets Inoctets Outpackets Outoctets Ratelimit Ratelimit
BWReqDrop DSPktDrop
1 67859 99158800 67570 98734862 2579 0
Router# sh int c3/0
Cable3/0 is up, line protocol is up
Hardware is BCM3210 ASIC, address is 0009.4553.0061 (bia 0009.4553.0061)
Internet address is 1.11.53.100/27
MTU 1500 bytes, BW 27000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation MCNS, loopback not set, keepalive not set
ARP type:ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Queueing strategy:fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 95000 bits/sec, 9 packets/sec
5 minute output rate 82000 bits/sec, 7 packets/sec
70093 packets input, 100855618 bytes, 4569 no buffer
Received 992 broadcasts, 0 runts, 0 giants, 0 throttles
3 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
68477 packets output, 100193806 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 output buffer failures, 0 output buffers swapped out
Enabling Shaping Example
Router(config-if)# cab u0 rate-limit token-bucket shaping
Forcing the Cable Modem to Exceed the Peak Rate Example
Router# ping ip
Target IP address:1.11.53.100
Repeat count [5]:1000000
Datagram size [100]:10000
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]: