Cisco CMTS Router Basics, Release 12.2SC
Performing OIR of Cable Interface Line Cards on the Cisco CMTS Routers
Downloads: This chapterpdf (PDF - 252.0KB) The complete bookPDF (PDF - 1.83MB) | Feedback

Performing OIR of Cable Interface Line Cards on the Cisco CMTS Routers

Table Of Contents

Performing OIR of Cable Interface Line Cards on the Cisco CMTS Routers

Finding Feature Information

OIR of Cable Interface Line Cards on the Cisco uBR7200 Series Universal Broadband Routers

OIR of Cable Interface Line Cards on the Cisco uBR10012 Universal Broadband Router


Performing OIR of Cable Interface Line Cards on the Cisco CMTS Routers


First Published: February 14, 2008
Last Updated: February 9, 2009

The Cisco uBR7200 series and Cisco uBR10012 universal broadband routers support online insertion and removal (OIR) of cable interface line cards, but have different requirements. The following sections describe this support for each of the platforms.

Finding Feature Information

Your software release may not support all the features documented in this module. For the latest feature information and caveats, see the release notes for your platform and software release.

Use Cisco Feature Navigator to find information about platform support and Cisco IOS, Catalyst OS, and Cisco IOS XE software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not required.

OIR of Cable Interface Line Cards on the Cisco uBR7200 Series Universal Broadband Routers

Technically, the Cisco uBR7200 series universal broadband routers support true online insertion and removal (OIR), or "hot swapping," of cable interface line cards only when exchanging cable interface line cards of the exact same type (for example, exchanging a Cisco uBR-MC28U card for another Cisco uBR-MC28U card). Under these conditions, no reload of the router is required.


Caution When you OIR different types of cable interface line cards (for example, a Cisco uBR-MC16U card replaced by a Cisco uBR-MC16X card, or Cisco uBR-MC16U card replaced by a Cisco uBR-MC28U card), you not only might have to reconfigure the interfaces, we recommend that you reload the router.

OIR of Cable Interface Line Cards on the Cisco uBR10012 Universal Broadband Router

To perform an OIR of cable interface line cards on the Cisco uBR10012 router, do the following steps:


Step 1 From global configuration mode, enter the cr10k card oir-compatibility command for the cable interface line card that you want to OIR, as shown in the following example:

Router(config)# cr10k card 8/0 oir-compatibility 
 
   

This command helps preserve the configuration and performs some internal synchronization to make sure that the OIR runs successfully.


Note The console log displays a new message appears whenever a line card type has been replaced. For example, if the MC520U-D in subslot 8/1 is replaced by an MC520S-D, the following message is displayed:

%UBR10K-6-COMPAT_NEW_CARD: The 5cable-mc520u-d in slot 8/1 has been replaced by a 
5cable-mc520s-d 

This message appears when an OIR operation involves two different types of MC520 line cards.


Caution The console log message does not appear for cards other than the MC520S/U/H. It also does not appear if the OIR operation involves identical MC520 card types. For instance, it will not appear if an MC520U is replaced by another MC520U. In such cases, you not only might have to reconfigure the interfaces, we recommend that you reload the router.

Step 2 Save the configuration to ensure the transition, as shown in the following example:

Router# copy running-config startup-config
 
   

Step 3 Turn the power off to the line card using the cable power off command for the slot that is being replaced as shown in the following example:

Router# cable power off 8/0 
Line Card 8/0 is POWERED OFF
 
   
This powers off the line card gracefully.
 
   

Step 4 Before removing the card, verify that the proper grounding instructions have been followed for the card.

For more information about preventing electrostatic discharge (ESD) damage, refer to the document at:

http://www.cisco.com/warp/public/109/cable-linecard-handling.pdf

Step 5 Remove the line card.

Step 6 Replace it with the new line card in the slot.

Step 7 Enter the cable power on command to power up the line card, as shown in the following example:

Router# cable power on 8/0 
 
   

Step 8 Enter the show interface cable command and verify that the card and line protocol is "up" as shown in the following example:

Router# show interface cable 8/0/0 
Cable8/0/0 is up, line protocol is up
  Hardware is BCM3210 ASIC, address is 000a.13e8.1ca8 (bia 000a.13e8.1a60)
  Internet address is 10.1.1.3/24
  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 4d07h, 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 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 packets output, 2536222931 bytes, 0 underruns
      0 output errors, 0 collisions, 0 interface resets
      0 output buffer failures, 0 output buffers swapped out
 
   

Step 9 Enter the show controllers cable command and verify the hardware status as shown in the following example:

Router# show controllers cable 8/0/0
Cable8/0/0 JIB hardware status: 
  JIB Downstream port   Enabled
  JIB Upstream   port 0 Enabled
  JIB Upstream   port 1 Enabled
  JIB Upstream   port 2 Enabled
  JIB Upstream   port 3 Enabled
Cable8/0/0 Upconverter is Enabled Output is Enabled
  Model: 74-3153-02 Serial Number: 0WAV090200A1 CLEI Code: FFFFFFFFFF
  HW Rev:    PC2D0109 SW Rev: 203, NVRAM Rev: 021 ECI numb
 
   

Step 10 Verify the configuration with the show running-configuration command as shown in the following example:

Router# show running-configuration