Command Reference

show interface cable-modem

To display information about the cable modem interface on a cable modem, use the show interface cable-modemEXEC command.

show interface cable-modem number [accounting counters crb irb type]

Syntax Description

number

Cable modem interface number.

accounting

(Optional) Displays the number of packets of each protocol type

 

that has been sent through the cable modem interface.

counters

(Optional) Shows MIB counters on the cable interface.

crb

(Optional) Displays routing and bridging information pertaining

 

to the cable interface.

irb

(Optional) Displays routing and bridging information pertaining

 

to the cable interface.

Command Mode

EXEC

Usage Guidelines

This command first appeared in Cisco IOS Release 11.3 NA.

Sample Display

Traffic passing through the cable modem interface is shown in the following example:

uBR904# show interface cable-modem 0 cable-modem0 is up, line protocol is up

Hardware is BCM3220, address is 0010.7b43.aa01 (bia 0010.7b43.aa01) Internet address is 188.188.1.60/16

MTU 1500 bytes, BW 27000 Kbit, DLY 1000 usec, rely 255/255, load 1/255 Encapsulation , loopback not set, keepalive not set

ARP type: ARPA, ARP Timeout 04:00:00

Last input 00:07:04, output 00:00:41, 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 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

4495 packets input, 1153221 bytes, 0 no buffer Received 8 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 12841 packets output, 1708272 bytes, 0 underruns

0 output errors, 0 collisions, 11 interface resets

0 output buffer failures, 0 output buffers swapped out

40Release 11.3(4)NA

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Cisco Systems UBR904 manual Show interface cable-modem, Accounting

UBR904 specifications

The Cisco UBR904 is a versatile broadband access device designed to deliver high-speed internet and data services in various deployment scenarios, particularly suitable for cable operators and service providers. This device allows operators to provide broadband services over a wide area, utilizing advanced technologies to ensure reliability and performance.

One of the key features of the UBR904 is its capability to support multiple channels for upstream and downstream communication, allowing for greater bandwidth and improved network performance. With its integrated DOCSIS (Data Over Cable Service Interface Specification) compliance, the UBR904 enables operators to leverage existing coaxial cable infrastructures to deliver data services efficiently. This makes it an ideal choice for operators looking to expand their service offerings without the need for extensive infrastructure changes.

Equipped with a powerful processor and ample memory, the UBR904 is designed for high throughput and low latency, supporting IP data services, voice services, and video on demand. It utilizes advanced modulation techniques and error correction algorithms that enhance data transmission efficiency and reliability. This results in a robust platform capable of meeting the demands of high-density areas while accommodating future growth.

The UBR904 also features flexible management capabilities. It includes support for SNMP (Simple Network Management Protocol), enabling operators to monitor and manage network performance effectively. The device can be easily configured through a graphical user interface or command-line interface, providing system administrators with the tools needed for straightforward deployment and maintenance.

In addition to its core functionalities, the UBR904 integrates security features to protect network traffic and ensure user data integrity. This includes capabilities for secure tunneling and access control lists, which enhance the security of the broadband connection.

Furthermore, the Cisco UBR904 is designed with scalability in mind. Operators can easily scale their networks by adding additional modules or interfaces as demand grows. This ensures that the UBR904 can meet the evolving needs of service providers without necessitating a complete hardware overhaul.

In summary, the Cisco UBR904 is a robust, feature-rich broadband access device that combines high performance, advanced technologies, and scalability, making it an excellent choice for operators looking to deliver high-speed internet and data services across diverse environments. Its ease of use and extensive management features further enhance its appeal, positioning it as a key player in the broadband access market.