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B side A Span Neighbor, Keepalive failure-SLOS, SLOF, LSF, or

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Chapter 4 Troubleshooting Alarm Messages 78-13062-10 Table 4-6 Other IEEE 802.17 RPR Alarm Messages (continued) Alarm Description Solution RPR-IEEE1/1 Effective jumbo pref on ring is set for regular frame At least one station on the ring does not support jumbo frame preference, MTU for the ring has been changed to REGULAR MTU (1500 bytes). None. Configure jumbo preference on all stations to change support to JUMBO MTU (9100 bytes). RPR-IEEE1/1 Effective protection mode on station is now steering Protection preference has been changed. Protection mode for this station is now steering. None. RPR-IEEE1/1 Effective protection mode on station is now wrapping Protection preference has been changed. Protection mode for this station is now wrapping. None. Configured protection mode is inconsistent with other stations on ring Not all stations in the ring support the same protection preference (wrapping or steering). This inconsistency will create failures in a protection event. Change all stations to support the same protection preference, all stations must support wrapping or steering. Use the show rpr-iee topology command to verify protection preference. Use the rpr protection preference wrap or no rpr protection preference wrap configuration command to change the preference. Table 4-7 SRP Wrap Messages Alarm Description Solution SRP1/1 wrapped on side User-initiated forced switch on User initiated, none. B (side A User Request side A on node Forced Switch) SRP1/1 wrapped on side User-initiated manual switch B (side A User Request on side A on node Manual Switch) User initiated, none. SRP1/1 wrapped on side SONET layer 1 signal fail B (side A Self Detect detected Signal Fail) Investigate Keepalive failure. Wrap occurred. Keepalive failure-SLOS, SLOF, LSF, or LAIS. SRP1/1 wrapped on side SONET layer 1 signal fail B (side A Span Neighbor detected Signal Degrade) Investigate Keepalive failure. Wrap occurred. Keepalive failure-LSD. SRP1/1 wrapped on side Wrap cleared, node initiated B (side A Self Detect Wait to Restore (WTR) state Wait to Restore [WTR]) WTR period is 10 to 360 seconds (user configured), node will unwrap at end of WTR. None. Cisco 10720 Internet Router Installation and Configuration Guide 4-17

Section	Page
Cisco 10720 Internet Router Installation and Configuration Guide	1
Contents	3
Preface	11
Document Revison History	11
Audience	11
Purpose	12
Organization	12
Conventions	13
Warning Definition	13
Related Documentation	19
DPT and SRP	19
Cisco IOS Software Releases	19
Modular QoS	19
Field-Replaceable Units (FRUs)	19
Other	20
Obtaining Documentation	20
Cisco.com	20
Product Documentation DVD	20
Ordering Documentation	20
Documentation Feedback	21
Cisco Product Security Overview	21
Reporting Security Problems in Cisco Products	21
Obtaining Technical Assistance	22
Cisco Technical Support & Documentation Website	22
Submitting a Service Request	23
Definitions of Service Request Severity	23
Obtaining Additional Publications and Information	24
1	27
Product Overview	27
Product Description	27
Physical and Functional Overview	28
Cisco 10720 Internet Router Hardware Features	29
Hardware Field Replaceable Units	30
Uplink Cards	30
Access Card	32
Redundant Power Supply	32
Fan Assembly	33
Mounts	33
Cable Management	34
Software Features	34
Design Specifications	35
Network Equipment Building Systems	35
Electromagnetic Compatibility	35
Bonding and Grounding	35
Environmental Monitoring	35
Shock and Vibration	35
2	37
Preparing for Installation	37
Regulatory Compliance and Safety Information	37
Warnings and Cautions	37
Safety Guidelines	38
Maintaining Safety with Electricity	39
Electrostatic Discharge	39
Preventing Electrostatic Discharge	39
Laser Safety	40
Class 1 Laser Product Warning	40
General Laser Warning	40
Class 1 LED Product Warning	40
Required Tools and Equipment	41
Rack-Mounting Guidelines	41
Ventilation Guidelines	41
Rack-Mounting Clearance Guidelines	42
Maintenance Guidelines for Multiple Routers in a Rack	42
Environmental Safety Guidelines	44
Airflow Guidelines	44
Temperature and Humidity Guidelines	44
Power Guidelines	45
AC-Powered Router	45
DC-Powered Router	45
Site Wiring Distance and Interference Guidelines	46
Electromagnetic Interference	46
Distance Limitations for Signaling and Unshielded Conductors	46
Cable Management	47
Mounting the Router	47
Cisco IOS Software Configuration	47
Verifying the Contents in the Box	47
Site Log Preparation	48
3	51
Installing the Cisco 10720 Internet Router	51
Setting up the Cisco 10720 Internet Router	51
Cable Management	52
Rack-Mounting the Router	52
Wall-Mounting the Router	56
Setting up the Router on a Desktop	58
Grounding the Cisco 10720 Internet Router	59
Supplemental Unit Bonding and Grounding Guidelines	59
SONET Distance Limitations	61
Fiber Cables and Connectors	61
Connecting Ports on the Uplink Cards	62
Installing the OC48 SFP Modules in the RPR/SRP Uplink Card	63
Creating a Four-Node DPT Ring	64
Creating a Four-Node IEEE 802.17 RPR Mode Ring	67
Additional Ports on the Uplink Cards	69
Attaching a Terminal Server or Access Server to the Console or AUX Port	69
Attaching a Modem to the Console or AUX Port	70
Connecting a Desktop Computer, Laptop, or Terminal to the Console or AUX Port	71
Connecting Ethernet Ports on the Access Card	72
Installing a Bale Clasp SFP	72
Installing a Latch SFP	73
In-Band Ethernet Port	75
Installing the Cable-Management System	75
Turning On Power to the Router	76
Connecting the AC Power Supply	77
Connecting the DC Power Supply	79
Verifying the Router Power Is Turned On	82
Initial Setup Configuration	82
Configuring the Router	82
Configuring Global Parameters Using the Setup Facility	83
Host Name	83
Assigning Passwords	83
Verifying the Cisco 10720 Internet Router LEDs	83
Uplink Card System LEDs	84
Uplink Card Status LEDs	86
Access Card System LEDs	88
Access Card Status LEDs	89
Additional Configuration Features	92
Saving the Configuration to NVRAM	92
Using the show Commands	92
Using the show running configuration Command	92
Using the show version Command	94
Using the show environment all Command	95
Monitoring Optical Power	95
Configuring Basic SRP Functionality	96
Configuring POS Functionality	96
Configuring Fast Ethernet	97
Configuring Gigabit Ethernet	97
Configuring TDR on TX Access Card	97
Assigning IP Information	97
Enabling Write Permission to Bootflash	97
Upgrading the Cisco IOS Software Image	97
Verifying the Image Is Upgraded	98
Upgrading ROM Monitor	98
Verifying ROM Monitor Is Upgraded	99
4	101
Troubleshooting	101
Basic Troubleshooting RPR-IEEE for the Uplink Card	101
Using the show controller rpr-ieee Command	101
Using the show controllers rpr-ieee 1/1 transceiver Command	103
Using the show arp Command	104
Verifying Clocking	105
PASS-THRU Mode	105
Verifying the PASS-THRU Mode	105
Using the show rpr-ieee topology Command	106
Using the show rpr-ieee protection Command	106
Fiber Misconnection	107
Basic Troubleshooting SRP for the Uplink Card	107
Using the show controller srp Command	107
Using the show arp Command	109
Verifying Clocking	109
PASS-THRU Mode	109
Verify the PASS-THRU Mode	110
Using the show srp topology Command	110
Using the show srp ips Command	110
Fiber Misconnection	111
Alarm Messages	111
Alarm Messages	111
Basic Troubleshooting Ethernet for the Access Card	119
Verifying Interface Configuration	119
FastEthernet/GigabitEthernet Is up	120
Line Protocol Is up	120
Duplex Mode Setting	121
Speed Mode	121
Output Hang	121
CRC Field Counters	121
Late Collision	121
Carrier Signal	122
Cleaning the Fiber-Optic Connections	122
5	123
Maintaining the Cisco 10720 Internet Router	123
Overview	123
Safety Recommendations	123
Required Tools and Equipment	124
Tools	124
Field-Replaceable Units	124
Disconnecting Power from the Router	125
Overview	125
Disconnect Device Safety Warning	125
Tools and Equipment Required	126
Powering Down the Router	126
Verifying the Router Is Powered Down	128
Connecting Power to the Router	129
Safety	129
Tools and Equipment Required	129
Connecting the AC Power Supply	129
Connecting the DC Power Supply	132
Removing and Installing the Router Chassis Cover	135
Safety	135
Required Tools and Equipment	135
Removing the Router Cover	135
Installing the Router Cover	137
Removing and Installing the Router Fan Assembly	138
Safety	138
Required Tools and Equipment	139
Removing the Fan Assembly	139
Installing the Fan Assembly	143
Verifying Fan Assembly Functionality	148
Troubleshooting the Fan Assembly	148
Removing and Installing the Route Processor Memory	148
Upgrading and Verifying the Cisco IOS Release	149
Upgrading and Verifying the ROMmon Image	149
Upgrading the Golden ROMmon Image with FPGA Version 3	149
Upgrading the Golden ROMmon Image with FPGA Version 4	150
Upgrading the ROMmon Image	150
Verifying the ROMmon Image	151
Removing the 256-MB Route Processor Memory	151
Installing the 512-MB Route Processor Memory	154
Checking the 512-MB Route Processor Installation	155
Removing and Installing the AC or Dual DC Power Supply	156
Safety	156
Required Tools and Equipment	157
Removing an AC or Dual DC Power Supply	157
Installing an AC or Dual DC Power Supply	164
Verifying AC or Dual DC Power Supply Functionality	168
Removing and Installing an Uplink Card	171
Safety	171
Required Tools and Equipment	171
Removing an Uplink Card	172
Removing an SFP	172
Installing an Uplink Card	177
Installing the OC48 SFP Modules in the RPR/SRP Uplink Card	178
Connecting the Optical Cables	179
Verifying Uplink Card Functionality	179
Troubleshooting the Uplink Card Functionality	179
Removing and Installing an Access Card	180
Safety	180
Required Tools and Equipment	180
Removing an SFP	180
Removing a Bale Clasp SFP	181
Removing a Latch SFP	183
Removing the Access Card	184
Installing an Access Card	186
Installing the SFP Modules on the Access Card	187
Verifying Access Card Functionality	189
Troubleshooting the Access Card Functionality	189
Removing and Installing the Cable-Management System	190
Safety	190
Required Tools and Equipment	190
Removing the Cable-Management System	190
Installing the Cable-Management System	192
Technical Specifications	195
Physical and Environmental Specifications	195
Power Specifications	196

Match case Limit results 1 per page

4-17

Cisco 10720 Internet Router Installation and Configuration Guide

78-13062-10

Chapter 4

Troubleshooting

Alarm Messages

RPR-IEEE1/1 Effective

jumbo pref on ring is set

for regular frame

At least one station on

the ring does not

support jumbo frame

preference, MTU for

the ring has been

changed to REGULAR

MTU (1500 bytes).

None. Configure jumbo preference on all

stations to change support to JUMBO MTU

(9100 bytes).

RPR-IEEE1/1 Effective

protection mode on station

is now steering

Protection preference

has been changed.

Protection mode for

this station is now

steering.

None.

RPR-IEEE1/1 Effective

protection mode on station

is now wrapping

Protection preference

has been changed.

Protection mode for

this station is now

wrapping.

None.

Configured protection

mode is inconsistent with

other stations on ring

Not all stations in the

ring support the same

protection preference

(wrapping or steering).

This inconsistency will

create failures in a

protection event.

Change all stations to support the same

protection preference, all stations must support

wrapping or steering. Use the

show rpr-iee

topology

command to verify protection

preference. Use the

rpr protection preference

wrap

no rpr protection preference wrap

configuration command to change the

preference.

Table 4-7

SRP Wrap Messages

Alarm

Description

Solution

SRP1/1 wrapped on side

B (side A User Request

Forced Switch)

User-initiated forced switch on

side A on node

User initiated, none.

SRP1/1 wrapped on side

B (side A User Request

Manual Switch)

User-initiated manual switch

on side A on node

User initiated, none.

SRP1/1 wrapped on side

B (side A Self Detect

Signal Fail)

SONET layer 1 signal fail

detected

Investigate Keepalive failure. Wrap

occurred.

Keepalive failure—SLOS, SLOF, LSF, or

LAIS.

SRP1/1 wrapped on side

B (side A Span Neighbor

Signal Degrade)

SONET layer 1 signal fail

detected

Investigate Keepalive failure. Wrap

occurred.

Keepalive failure—LSD.

SRP1/1 wrapped on side

B (side A Self Detect

Wait to Restore [WTR])

Wrap cleared, node initiated

Wait to Restore (WTR) state

WTR period is 10 to 360 seconds (user

configured), node will unwrap at end of

WTR. None.

Table 4-6

Other IEEE 802.17 RPR Alarm Messages (continued)

Alarm

Description

Solution