Cisco AS5800 Specifications download pdf (Page 52)

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Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide

DOC-7810814=

Chapter 2 Commissioning

Task 1. Verifying Basic Setup

• Each modem card contains its own DRAM memory. Double-density modem modules (DMM)

require at least 64 MB of memory with Cisco IOS Release 12.0. Hex modem modules (HMM)

require at least 32 MB with Cisco IOS Release 11.3. Each card performs its own call processing.

• A fully populated DMM card contains 144 modems. The dial shelf in the example contains

1296 modems.

• A normal CPU utilization range for modem cards is between 20 to 40 percent.

DSC Troubleshooting Tips

If the DSC card does not come up, perform the following troubleshooting steps. If the DSC card never

comes up, the feature cards in the dial shelf cannot communicate with the router shelf.

Step 1 Look for LED lights on the DSC card. If the lights are off, try reseating the card.

Step 2 Verify that the DSI port adapter on the Cisco 7206 is inserted correctly.

Step 3 Verify that the cable between the DSI port adapter and the DSC card is connected correctly.

Step 4 From the Cisco 7206, verify that the DSI-Fast Ethernet interface and line protocol are up:

5800> show dsi

DSI-Fastethernet0/2/0 is up, line protocol is up

Hardware is DEC21140A, address is 0030.f2f5.1438 (bia 0030.f2f5.1438)

MTU 0 bytes, BW 100000 Kbit, DLY 100 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation ARPA, loopback not set

Keepalive set (10 sec)

Full-duplex, 100Mb/s, 100BaseTX/FX

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 0 bits/sec, 0 packets/sec

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

Note The following example shows a dial-shelf interconnection that changes state to up after the

DSC card reloads. Loss of DSIP Keepalive messages indicate no communication between

the router shelf and dial shelf. After DSIP Hello messages succeed, the Fast Ethernet

DSI-Tx 0 and DSI-Rx 1 change their state to up. Until these interfaces are up, the router

shelf and dial shelf cannot communicate. No debug commands are used to create these

console messages; however, the terminal monitor command is required to view messages.

5800#

00:04:29: %DSIPPF-5-DS_KEEPALIVE_LOSS: DSIP Keepalive Loss from shelf 1 slot 12

00:05:12: %DSIPPF-5-DS_HELLO: DSIP Hello from shelf 1 slot 12 Succeeded

00:05:18: %DIAL12-3-MSG:

00:00:03: %LINK-3-UPDOWN: Interface DSI-Tx-FastEthernet0, changed state to up

00:00:03: %LINK-3-UPDOWN: Interface DSI-Rx-FastEthernet1, changed state to up

00:00:03: %LINK-3-UPDOWN: Interface Ethernet0, changed state to up

5800#

Note Verify that console logging is disabled. Enter the show logging command. If logging is

enabled, the access server might intermittently freeze up as soon as the console port gets

overloaded with log messages. Enter the no logging console command.

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Cisco AS5800 Specifications Page 52

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