ZyXEL Communications SMG-700 Guía de usuario Pagina 39
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Chapter 3 Status
P-974H/HW Series User’s Guide
39
SW Upgrade
Failed Before
Download -
Server not
Present
Error Your ZyXEL Device has made 16 unsuccessful attempts to download
a new ZyXEL software image from the TFTP server (CMTS or other
TFTP server). After 16 attempts your cable modem aborts the
upgrade procedure. This error message might also occur if your
cable modem has received a fatal TFTP server error.
SW upgrade
Failed after
download -
Incompatible
SW file
Error An upgrade of your ZyXEL Device software failed because the
downloaded image file was either the wrong image, type, or was
corrupted during file transfer.
UCD invalid or
channel
unusable
Critical The cable modem received an Upstream Channel Descriptor (UCD)
message from the CMTS, but it contains invalid information or
specifies an upstream channel that is unusable.
A transmit
opportunity was
missed because
the MAP arrived
too late
Information Your ZyXEL Device missed a transmit opportunity because the
Bandwidth Allocation MAP (one slot of the Time Division
Multiplexing) signal arrived too late for your ZyXEL Device to use it.
DHCP FAILED -
Discover sent,
no offer received
Critical Your ZyXEL Device sent a DHCP discovery broadcast message to the
cable operator’s CMTS, but no DHCP server or DHCP relay agent
replied with a DHCP offer response message.
DHCP FAILED -
Request sent,
No response
Critical Your ZyXEL Device sent a DHCP discovery broadcast message to the
cable operator’s CMTS, and received a DHCP offer message in
response from the cable operator, but when it sent a DHCP request
message to the indicated DHCP server, it did not receive a DHCP
response message.
No UCD's
Received -
Timeout
Critical Your ZyXEL Device has not received any periodic Upstream Channel
Descriptor (UCD) messages from the CMTS within the specified
timeout period.
Unicast Ranging
Received Abort
Response - Re-
initializing MAC
Critical Your ZyXEL Device is online and has sent a periodic Ranging Request
(RNG-REQ) message to the CMTS, but it received an Abort Ranging
reply instead. Your ZyXEL Device will reset its cable interface and
restart the registration process in response. Note that this is not an
ethernet MAC frame type.
SYNC Timing
Synchronization
failure - Loss of
Sync
Critical Your ZyXEL Device had locked on to the downstream channel for a
period of time, but then the channel lock was lost and it was unable
to be reacquired within five SYNC signal periods. Your ZyXEL Device
has reset its cable interface in response to this condition.
No Maintenance
Broadcasts for
Ranging
opportunities
received - T2
time-out
Critical Your ZyXEL Device did not receive a broadcast maintenance
opportunity in which to transmit a Ranging Request (RNG-REQ)
within the required T2 timeout period (approximately 10 seconds).
Your ZyXEL Device will reset its cable interface and restart the
registration process.
Table 9 Event Log: Log Description (continued)
LOG NAME SEVERITY DESCRIPTION
- P-974H/HW Series 1
- About This User's Guide 3
- Document Conventions 4
- Icons Used in Figures 5
- Safety Warnings 6
- Safety Warnings 7
- Table of Contents 12
- List of Figures 13
- List of Tables 15
- Introduction and 17
- Configuration 17
- CHAPTER 1 19
- Table 1 Front Panel LEDs 20
- Chapter 1 Introduction 21
- LED COLOR STATUS DESCRIPTION 21
- Chapter 1 Introduction 22
- CHAPTER 2 23
- Figure 4 Status 25
- LABEL DESCRIPTION 27
- CHAPTER 3 29
- Boot State 30
- Configuration File 30
- Security 30
- 3.2 Software 31
- 3.3 Connection 32
- Table 5 Status: CONNECTION 33
- Chapter 3 Status 34
- Chapter 3 Status 35
- CONNECTION screen 35
- PROCEDURE STATUS COMMENT 35
- 3.4 Event Log 37
- LOG NAME SEVERITY DESCRIPTION 38
- CHAPTER 4 43
- 4.2 DHCP 44
- CHAPTER 5 45
- 5.2 Options 46
- 5.3 IP Filtering 47
- 5.4 MAC Filtering 48
- 5.5 Port Filtering 49
- 5.6 Port Forwarding 50
- CHAPTER 6 51
- 6.1.1 What You Need to Know 52
- User Authentication 53
- Encryption 53
- 6.2 Basic WLAN Settings 54
- 6.3 Wireless LAN Security 55
- 6.3.2 Introduction to WPA(2) 57
- 6.3.3 WPA/WPA2 58
- Chapter 6 Wireless LAN 59
- 6.3.4 WPA-PSK/WPA2-PSK 60
- 6.4 Access Control 61
- Chapter 6 Wireless LAN 62
- CHAPTER 7 63
- 7.3 Diagnostics 64
- 7.4 Band 66
- Table 25 Maintenance: Band 67
- Chapter 7 Maintenance 68
- Appendices and 69
- APPENDIX A 71
- Device Specification 72
- Power Adaptor Specifications 74
- AUSTRALIA PLUG STANDARDS 75
- APPENDIX B 77
- 7.6.1 Set Static IP Only 78
- 7.6.3 Set Static IP with NAT 79
- 7.6.5 Set Bridge Mode 80
- APPENDIX C 81
- Windows 95/98/Me 82
- Configuring 83
- Verifying Settings 84
- Windows 2000/NT/XP 85
- Macintosh OS 8/9 90
- Macintosh OS X 92
- Using Configuration Files 95
- APPENDIX D 99
- Appendix D Common Services 100
- P-974H/HW Series User’s Guide 100
- SERVICE DESCRIPTION 100
- Appendix D Common Services 101
- APPENDIX E 103
- ZyXEL Limited Warranty 105
- Registration 106
- APPENDIX F 107
- Appendix F Customer Support 108
- Appendix F Customer Support 109
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