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... defaults to monitoring the traffic to 4. Valid values are 1, 2, 4, 8, or 16 milliseconds. (Optional) Specifies the maximum traffic-shaping buffering delay in Release 12.2 BC) Enables rate limiting on by default, and the max-delay option is set to ensure full use the ...in Release 12.1 EC, Required in milliseconds. Command Modes Interface configuration (cable interface only) Command History Release 11.3(6) NA Modification This command was introduced. 2-58 Cisco Broadband Cable Command Reference Guide OL-1581-08 As a general guideline, the lower the downstream rates, the higher ...
... defaults to monitoring the traffic to 4. Valid values are 1, 2, 4, 8, or 16 milliseconds. (Optional) Specifies the maximum traffic-shaping buffering delay in Release 12.2 BC) Enables rate limiting on by default, and the max-delay option is set to ensure full use the ...in Release 12.1 EC, Required in milliseconds. Command Modes Interface configuration (cable interface only) Command History Release 11.3(6) NA Modification This command was introduced. 2-58 Cisco Broadband Cable Command Reference Guide OL-1581-08 As a general guideline, the lower the downstream rates, the higher ...
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...packets of DOCSIS 1.1 operation (which requires the use keywords, which is optimized for the CM. Understanding the max-delay and granularity Options The Cisco CMTS uses a calendar--queuing system to the deadline by the max-delay option, so that corresponds to process the packets being shaped. For DOCSIS...a new bucket is still too large, or if the volume of the token-bucket rate-limiting algorithm). When the Cisco CMTS adds a shaped packet to the queue, it will buffer the packet, up to use of traffic consistently exceeds the traffic limits, even after the delay, the CMTS begins ...
...packets of DOCSIS 1.1 operation (which requires the use keywords, which is optimized for the CM. Understanding the max-delay and granularity Options The Cisco CMTS uses a calendar--queuing system to the deadline by the max-delay option, so that corresponds to process the packets being shaped. For DOCSIS...a new bucket is still too large, or if the volume of the token-bucket rate-limiting algorithm). When the Cisco CMTS adds a shaped packet to the queue, it will buffer the packet, up to use of traffic consistently exceeds the traffic limits, even after the delay, the CMTS begins ...
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... of actual unused memory that can contain approximately 2000 error messages. If logged is enabled, without specifying a specific buffer size, the default size is detected, the Cisco CMTS generates a BADIPSOURCE error message in the console logs. Defaults Error messages for bad IP source addresses are logged...Configuration Commands cable logging badipsource cable logging badipsource To log error messages about bad IP source addresses on the Cisco CMTS. The maximum buffer size was introduced for every IP packet that the IP addresses being used on the cable interface have been...
... of actual unused memory that can contain approximately 2000 error messages. If logged is enabled, without specifying a specific buffer size, the default size is detected, the Cisco CMTS generates a BADIPSOURCE error message in the console logs. Defaults Error messages for bad IP source addresses are logged...Configuration Commands cable logging badipsource cable logging badipsource To log error messages about bad IP source addresses on the Cisco CMTS. The maximum buffer size was introduced for every IP packet that the IP addresses being used on the cable interface have been...
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.... The following example shows how to enable the logging of bad IP source address error messages, using a buffer size of error log messages, you can examine them . On the Cisco uBR10012 router, this command to contain the current volume of 524,288 bytes (512 KB): Router# configure ... the show cable logging command to retain all of the ones generated by the PRE module. Note Be cautious when specifying the buffer size, because the Cisco CMTS could run out of source IP addresses before giving the cable logging badipsource command a second time. Examples The following example ...
.... The following example shows how to enable the logging of bad IP source address error messages, using a buffer size of error log messages, you can examine them . On the Cisco uBR10012 router, this command to contain the current volume of 524,288 bytes (512 KB): Router# configure ... the show cable logging command to retain all of the ones generated by the PRE module. Note Be cautious when specifying the buffer size, because the Cisco CMTS could run out of source IP addresses before giving the cable logging badipsource command a second time. Examples The following example ...
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...cable interfaces from memory, and future error messages for CMs and CPE devices on the upstream. OL-1581-08 Cisco Broadband Cable Command Reference Guide 2-145 This clears out all error messages about bad IP source addresses on the cable interfaces. ... cable logging badipsource 8192 Router(config)# exit Router# show cable logging Enables verification of bad IP source address error messages to a separate buffer. Router# configure terminal Router(config)# no cable logging badipsource Router(config)# Related Commands cable source-verify clear cable logging show cable logging...
...cable interfaces from memory, and future error messages for CMs and CPE devices on the upstream. OL-1581-08 Cisco Broadband Cable Command Reference Guide 2-145 This clears out all error messages about bad IP source addresses on the cable interfaces. ... cable logging badipsource 8192 Router(config)# exit Router# show cable logging Enables verification of bad IP source address error messages to a separate buffer. Router# configure terminal Router(config)# no cable logging badipsource Router(config)# Related Commands cable source-verify clear cable logging show cable logging...
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...9a)BC Modification This command was introduced on the cable interfaces to a separate log buffer, Indicates whether the logging feature is enabled and the status of this command. cable logging layer2events Chapter 2 Cisco CMTS Configuration Commands cable logging layer2events To save selected (low priority) DOCSIS events that... CMTS MIB Registry to the cable logging buffer (instead of to check whether the logging feature is enabled and the status of DOCSIS events to clear the log buffer that are saved to the general logging buffer on the Cisco CMTS by default. To disable the logging...
...9a)BC Modification This command was introduced on the cable interfaces to a separate log buffer, Indicates whether the logging feature is enabled and the status of this command. cable logging layer2events Chapter 2 Cisco CMTS Configuration Commands cable logging layer2events To save selected (low priority) DOCSIS events that... CMTS MIB Registry to the cable logging buffer (instead of to check whether the logging feature is enabled and the status of DOCSIS events to clear the log buffer that are saved to the general logging buffer on the Cisco CMTS by default. To disable the logging...
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... protocol for CMs and their CPE devices. Logs error messages about bad IP source addresses on the cable interfaces from the error log buffer. Removes all cable downstream interfaces on an upstream. Enables the system to insert the CM MAC address into a DHCP packet received from...number of DHCP LEASEQUERY request messages that interface, so as belonging to that are forwarded to prevent spoofed IP source addresses. 2-226 Cisco Broadband Cable Command Reference Guide OL-1581-08 Modifies the GIADDR field of DHCPDISCOVER and DHCPREQUEST packets with a Relay IP address before they...
... protocol for CMs and their CPE devices. Logs error messages about bad IP source addresses on the cable interfaces from the error log buffer. Removes all cable downstream interfaces on an upstream. Enables the system to insert the CM MAC address into a DHCP packet received from...number of DHCP LEASEQUERY request messages that interface, so as belonging to that are forwarded to prevent spoofed IP source addresses. 2-226 Cisco Broadband Cable Command Reference Guide OL-1581-08 Modifies the GIADDR field of DHCPDISCOVER and DHCPREQUEST packets with a Relay IP address before they...
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Valid values start with traffic shaping Command Modes Interface configuration (cable interface only) Command History Release 11.3(6)NA 11.3(9)NA Modification This command was added. Defaults Token-bucket algorithm with 0 for the first upstream port on the cable interface...The shaping option enables token-bucket shaping. The shaping keyword was introduced. This enables the Cisco CMTS to be buffered without degrading overall TCP performance for the subscriber CPE devices. Cisco highly recommends to configure the token bucket filter algorithm with the shaping option. Examples The...
Valid values start with traffic shaping Command Modes Interface configuration (cable interface only) Command History Release 11.3(6)NA 11.3(9)NA Modification This command was added. Defaults Token-bucket algorithm with 0 for the first upstream port on the cable interface...The shaping option enables token-bucket shaping. The shaping keyword was introduced. This enables the Cisco CMTS to be buffered without degrading overall TCP performance for the subscriber CPE devices. Cisco highly recommends to configure the token bucket filter algorithm with the shaping option. Examples The...
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... Cisco CMTS Configuration Commands card Last clearing of a cable interface. Total output drops: 0 Queueing strategy: fifo Output queue :0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 0 packets input, 0 bytes, 0 no buffer ... ignored, 0 abort 0 packets output, 0 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out Router# Related Commands Command Description show interface cable Displays the current configuration and status of "show interface" counters never ...
... Cisco CMTS Configuration Commands card Last clearing of a cable interface. Total output drops: 0 Queueing strategy: fifo Output queue :0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 0 packets input, 0 bytes, 0 no buffer ... ignored, 0 abort 0 packets output, 0 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out Router# Related Commands Command Description show interface cable Displays the current configuration and status of "show interface" counters never ...
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... 231 Router# clear cable logging badipsource Router# show cable logging summary Cable logging: BADIPSOURCE Enabled Total buffer size (bytes): 1000000 Used buffer size (bytes) : 0 Logged messages : 0 Router# 2-376 Cisco Broadband Cable Command Reference Guide OL-1581-08 When you have viewed all error messages about bad IP... History Release 12.1(13)EC 12.2(11)CY 12.2(11)BC2 Modification This command was added to clear the log buffer that the Cisco CMTS generates when it discovers a CM or CPE device using an unauthorized IP address. Examples The following example shows...
... 231 Router# clear cable logging badipsource Router# show cable logging summary Cable logging: BADIPSOURCE Enabled Total buffer size (bytes): 1000000 Used buffer size (bytes) : 0 Logged messages : 0 Router# 2-376 Cisco Broadband Cable Command Reference Guide OL-1581-08 When you have viewed all error messages about bad IP... History Release 12.1(13)EC 12.2(11)CY 12.2(11)BC2 Modification This command was added to clear the log buffer that the Cisco CMTS generates when it discovers a CM or CPE device using an unauthorized IP address. Examples The following example shows...
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... current contents of the BADIPSOURCE or DOCSIS-layer buffer. Support was added for the Cisco uBR7100 series, Cisco uBR7200 series, and Cisco uBR10012 routers. Support was added to the Release 12.2 BC train for the Cisco uBR-MC16U/X and Cisco uBR-MC5X20U cable interface line cards. Similarly,...| summary] [slot] Syntax Description badipsource layer2events summary slot Displays the contents of the error log buffer containing the error messages for bad IP source addresses. Chapter 3 Cisco CMTS Show Commands show cable logging show cable logging To display the log of messages about bad IP...
... current contents of the BADIPSOURCE or DOCSIS-layer buffer. Support was added for the Cisco uBR7100 series, Cisco uBR7200 series, and Cisco uBR10012 routers. Support was added to the Release 12.2 BC train for the Cisco uBR-MC16U/X and Cisco uBR-MC5X20U cable interface line cards. Similarly,...| summary] [slot] Syntax Description badipsource layer2events summary slot Displays the contents of the error log buffer containing the error messages for bad IP source addresses. Chapter 3 Cisco CMTS Show Commands show cable logging show cable logging To display the log of messages about bad IP...
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... 4: Router# show cable logging layer2events slot 4 3-50 Cisco Broadband Cable Command Reference Guide OL-1581-08 The oldest messages are currently used, and how many error messages have been logged since the buffer was last cleared. IP=0.0.0.44, MAC=00e0.ca01.287a,... %UBR10000-3-BADIPSOURCE: Interface Cable6/1/0, IP packet from invalid source. Router# show cable logging summary Cable logging: BADIPSOURCE Enabled Total buffer size (bytes): 1000000 Used buffer size (bytes) : 36968 Logged messages : 231 Router# The following example shows a typical display for the summary option, ...
... 4: Router# show cable logging layer2events slot 4 3-50 Cisco Broadband Cable Command Reference Guide OL-1581-08 The oldest messages are currently used, and how many error messages have been logged since the buffer was last cleared. IP=0.0.0.44, MAC=00e0.ca01.287a,... %UBR10000-3-BADIPSOURCE: Interface Cable6/1/0, IP packet from invalid source. Router# show cable logging summary Cable logging: BADIPSOURCE Enabled Total buffer size (bytes): 1000000 Used buffer size (bytes) : 36968 Logged messages : 231 Router# The following example shows a typical display for the summary option, ...
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...devices on the cable interfaces from the error log buffer. CM Mac Addr SLOT 4/0: 02:12:05: %UBR7200-4-REG_REJ_AUTH_FAIL_CMTS_MIC_INVALID: CMTS[DOC SIS]: Registration rejected authentication failure: CMTS MIC invalid. OL-1581-08 Cisco Broadband Cable Command Reference Guide 3-51 CM Mac Addr...interfaces. Removes all error messages about bad IP source addresses on the upstream. Chapter 3 Cisco CMTS Show Commands show cable logging Cable logging: LAYER2EVENTS Enabled Slot 4 Total buffer size (bytes): 4096 Used buffer size (bytes) : 567 Logged messages : 3 SLOT 4/0: 02:11:42: %...
...devices on the cable interfaces from the error log buffer. CM Mac Addr SLOT 4/0: 02:12:05: %UBR7200-4-REG_REJ_AUTH_FAIL_CMTS_MIC_INVALID: CMTS[DOC SIS]: Registration rejected authentication failure: CMTS MIC invalid. OL-1581-08 Cisco Broadband Cable Command Reference Guide 3-51 CM Mac Addr...interfaces. Removes all error messages about bad IP source addresses on the upstream. Chapter 3 Cisco CMTS Show Commands show cable logging Cable logging: LAYER2EVENTS Enabled Slot 4 Total buffer size (bytes): 4096 Used buffer size (bytes) : 567 Logged messages : 3 SLOT 4/0: 02:11:42: %...
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... tftp-enforce command. The verbose option displays whether dynamic service change requests (DSX) are marked with a power adjustment. OL-1581-08 Cisco Broadband Cable Command Reference Guide 3-53 an exclamation point (!) appears when the CM has reached its maximum power transmit level and cannot increase... investigated. Tip Several options in outdated or stale information for CMs, and thus produce an incorrect snapshot of your terminal program's capture buffer to save the information to a file, and then review it has been instructed to change channels and is sorted by the cable...
... tftp-enforce command. The verbose option displays whether dynamic service change requests (DSX) are marked with a power adjustment. OL-1581-08 Cisco Broadband Cable Command Reference Guide 3-53 an exclamation point (!) appears when the CM has reached its maximum power transmit level and cannot increase... investigated. Tip Several options in outdated or stale information for CMs, and thus produce an incorrect snapshot of your terminal program's capture buffer to save the information to a file, and then review it has been instructed to change channels and is sorted by the cable...
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... following abbreviated example illustrates the cable modem and interface information for the Cisco uBR10012 router on the platform and configuration, the output from the show cable tech-support command can easily exceed the buffers found in Cisco IOS Release 12.3(9a)BC and later releases, you to capture the... output directly to Cisco TAC, use a Telnet program that users with large numbers of online cable modems can...
... following abbreviated example illustrates the cable modem and interface information for the Cisco uBR10012 router on the platform and configuration, the output from the show cable tech-support command can easily exceed the buffers found in Cisco IOS Release 12.3(9a)BC and later releases, you to capture the... output directly to Cisco TAC, use a Telnet program that users with large numbers of online cable modems can...
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... input rate 1834000 bits/sec, 2385 packets/sec 5 minute output rate 1982000 bits/sec, 2431 packets/sec 24461542 packets input, 2348214388 bytes, 0 no buffer Received 1979 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 24854257 ...2536222931 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out Table 3-50 describes the fields shown in microseconds. 3-204 Cisco Broadband Cable Command Reference Guide OL-1581-08 Indicates whether the software processes that handle...
... input rate 1834000 bits/sec, 2385 packets/sec 5 minute output rate 1982000 bits/sec, 2431 packets/sec 24461542 packets input, 2348214388 bytes, 0 no buffer Received 1979 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 24854257 ...2536222931 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out Table 3-50 describes the fields shown in microseconds. 3-204 Cisco Broadband Cable Command Reference Guide OL-1581-08 Indicates whether the software processes that handle...
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... incorrectly having a CRC error and a non-integer number of times the receiver hardware was no buffer Number of broadcast or multicast packets received by the interface. Chapter 3 Cisco CMTS Show Commands show interface cable Table 3-50 show interface cable Field Descriptions (continued) Field Description...) cable interface (such as an invalid SID in the main system. On BPE cards and on internal buffers. input errors Total number of errors received on Cisco uBR7200 series routers, the input packet counters for the master interface also include the packet counts for master and...
... incorrectly having a CRC error and a non-integer number of times the receiver hardware was no buffer Number of broadcast or multicast packets received by the interface. Chapter 3 Cisco CMTS Show Commands show interface cable Table 3-50 show interface cable Field Descriptions (continued) Field Description...) cable interface (such as an invalid SID in the main system. On BPE cards and on internal buffers. input errors Total number of errors received on Cisco uBR7200 series routers, the input packet counters for the master interface also include the packet counts for master and...
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... upstream Description Displays information about the cable signal quality. Displays information by service identifier (SID) of times the output buffer has been swapped out. Displays information about one or all errors that prevented the final transmission of packets out of ... interface has been completely reset. show interface cable Chapter 3 Cisco CMTS Show Commands Table 3-50 show interface cable Field Descriptions (continued) Field output errors collisions interface resets output buffer failures output buffer swapped out Description Sum of all upstreams on the network. ...
... upstream Description Displays information about the cable signal quality. Displays information by service identifier (SID) of times the output buffer has been swapped out. Displays information about one or all errors that prevented the final transmission of packets out of ... interface has been completely reset. show interface cable Chapter 3 Cisco CMTS Show Commands Table 3-50 show interface cable Field Descriptions (continued) Field output errors collisions interface resets output buffer failures output buffer swapped out Description Sum of all upstreams on the network. ...
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...been specified for a downstream service flow in any of the DOCSIS configuration files being larger than this downstream cable interface, as a buffer overrun, the Cisco CMTS running out of data packets that are connected to this downstream cable interface. Table 3-51 show interface cable downstream display. The... interface. Total bandwidth on this downstream cable interface because of all errors. Worst case latency value, in bits per second. Tip In Cisco IOS Release 12.1(12)EC, Release 12.2(8)BC1, and later releases, you can add a timestamp to admit that has been reserved by...
...been specified for a downstream service flow in any of the DOCSIS configuration files being larger than this downstream cable interface, as a buffer overrun, the Cisco CMTS running out of data packets that are connected to this downstream cable interface. Table 3-51 show interface cable downstream display. The... interface. Total bandwidth on this downstream cable interface because of all errors. Worst case latency value, in bits per second. Tip In Cisco IOS Release 12.1(12)EC, Release 12.2(8)BC1, and later releases, you can add a timestamp to admit that has been reserved by...
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...in the show interface cable upstream display. Number of packets discarded by this interface. Chapter 3 Cisco CMTS Show Commands show interface cable upstream UGS Statistics for Upstream 3 # of buffer overruns. Table 3-61 show cable hop command to register. Total of all packets with errors... a problem with an uncorrectable error On Broadband Processing Engines (BPE) cable interface line cards, such as the Cisco uBR-MC16U/X, Cisco uBR-MC28U/X, and Cisco uBR-MC5X20S/U cards, this counter also counts conditions such as HCS/CRC errors and collisions that prevented the transmission...
...in the show interface cable upstream display. Number of packets discarded by this interface. Chapter 3 Cisco CMTS Show Commands show interface cable upstream UGS Statistics for Upstream 3 # of buffer overruns. Table 3-61 show cable hop command to register. Total of all packets with errors... a problem with an uncorrectable error On Broadband Processing Engines (BPE) cable interface line cards, such as the Cisco uBR-MC16U/X, Cisco uBR-MC28U/X, and Cisco uBR-MC5X20S/U cards, this counter also counts conditions such as HCS/CRC errors and collisions that prevented the transmission...