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ZyXEL P-2024 User Guide - Page 111

Table 45, Logs, P-2024 User's Guide, System Maintenance Logs, TCP Reset Logs

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Chapter 11 Logs Table 45 System Maintenance Logs LOG MESSAGE DESCRIPTION Time synchronization is successful The device has adjusted its time based on information from the time server. Time synchronization failed The device failed to get information from the time server. WAN interface gets IP: %s The WAN interface got a new IP address from the DHCP or PPPoE server. DHCP client IP expired A DHCP client's IP address has expired. DHCP server assigns %s The DHCP server assigned an IP address to a client. Successful WEB login Someone has logged on to the device's web configurator interface. WEB login failed Someone has failed to log on to the device's web configurator interface. Successful TELNET login Someone has logged on to the router via telnet. TELNET login failed Someone has failed to log on to the router via telnet. Successful FTP login Someone has logged on to the device via ftp. FTP login failed Someone has failed to log on to the device via ftp. NAT Session Table is Full! The maximum number of NAT session table entries has been exceeded and the table is full. Time initialized by Datetime The device got the time and date from the Datetime server. server: %s Time initialized by Time server The device got the time and date from the time server. Time initialized by NTP server The device got the time and date from the NTP server. Failed to sync with Daytime The device was not able to connect to the Daytime server. server: %s Failed to sync with Time server: %s The device was not able to connect to the Time server. Failed to sync with NTP server: %s The device was not able to connect to the NTP server. Too large ICMP packet has been dropped The device dropped an ICMP packet that was too large. Configuration Change: PC = 0x%x, Task ID = 0x%x The device is saving configuration changes. Table 46 TCP Reset Logs LOG MESSAGE Under SYN flood attack, sent TCP RST Exceed TCP MAX incomplete, sent TCP RST DESCRIPTION The router sent a TCP reset packet when a host was under a SYN flood attack (the TCP incomplete count is per destination host.) The router sent a TCP reset packet when the number of TCP incomplete connections exceeded the user configured threshold. (the TCP incomplete count is per destination host.) P-2024 User's Guide 111

Section	Page
User’s Guide	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	9
Table of Contents	11
List of Figures	17
List of Tables	21
Introduction and Wizard	25
Introducing the P-2024	27
1.1 Overview	27
1.2 Ways to Manage the P-2024	27
1.3 Good Habits for Managing the P-2024	28
1.4 Hardware	28
1.4.1 Ports	29
1.4.2 LEDs	29
1.4.3 Console Port	29
1.4.4 Digital Signal Processor Modules	30
1.5 Resetting the P-2024	31
Introducing the Web Configurator	33
2.1 Web Configurator Overview	33
2.2 Accessing the Web Configurator	33
2.3 Web Configurator Main Screen	35
2.3.1 Title Bar	35
2.3.2 Navigation Panel	36
2.3.3 Main Window	37
2.3.4 Status Bar	37
The Connection Wizard	39
3.1 Main Wizard Screen	39
3.1.1 Welcome	40
3.1.2 System Information	40
3.1.3 ISP Parameters	41
3.1.4 Your IP Address	43
3.1.5 WAN IP Address Assignment	43
3.1.6 Finish	46
Status Screens	47
4.1 Status Screen	47
4.2 Packet Statistics Window	50
4.3 VoIP Statistics Window	51
Network	55
WAN	57
5.1 WAN Overview	57
5.1.1 PPPoE Encapsulation	57
5.1.2 WAN IP Address Assignment	57
5.1.3 DNS Server Address Assignment	58
5.2 WAN Screens	58
5.2.1 WAN Internet Connection Screen (Ethernet)	58
5.2.2 WAN Internet Connection Screen (PPPoE)	59
5.2.3 WAN Advanced Screen	61
VoIP	63
SIP	65
6.1 SIP Overview	65
6.1.1 Introduction to VoIP	65
6.1.2 Introduction to SIP	65
6.1.3 SIP Identities	65
6.1.4 SIP Call Progression	66
6.1.5 SIP Client Server	66
6.1.6 RTP	68
6.1.7 NAT and SIP	68
6.1.8 Voice Coding	70
6.1.9 PSTN Call Setup Signaling	70
6.1.10 MWI (Message Waiting Indication)	71
6.1.11 Quality of Service (QoS)	71
6.2 SIP Screens	72
6.2.1 SIP Settings Screen	72
6.2.2 Advanced SIP Setup Screen	73
6.2.3 SIP QoS Screen	77
Phone	79
7.1 Analog Phone Overview	79
7.1.1 Voice Activity Detection/Silence Suppression/Comfort Noise	79
7.1.2 Echo Cancellation	79
7.1.3 Supplementary Phone Services Overview	79
7.2 Phone Screens	82
7.2.1 Analog Phone Screen	82
7.2.2 Advanced Analog Phone Setup Screen	83
7.2.3 Common Phone Settings Screen	84
7.2.4 Phone Region Screen	85
Phone Book	87
8.1 Incoming Call Policy Screen	87
Management	91
Remote Management	93
9.1 Remote Management Overview	93
9.1.1 Remote Management Limitations	93
9.1.2 System Timeout	94
9.2 Remote Management Screens	94
9.2.1 WWW Screen	94
9.2.2 Telnet Screen	94
9.2.3 FTP Screen	95
9.3 SNMP	96
9.3.1 Supported MIBs	97
9.3.2 SNMP Traps	97
9.3.3 Configuring SNMP	97
Maintenance, Troubleshooting and Specifications	99
System	101
10.1 General System Screen	101
10.2 Dynamic DNS	102
10.2.1 Dynamic DNS Screen	102
10.3 Time Setting Overview	104
10.3.1 Pre-defined NTP Time Servers List	104
10.3.2 Synchronizing with a Time Server	105
10.3.3 Time Settings Screen	105
Logs	107
11.1 Logs Overview	107
11.1.1 Alerts	107
11.1.2 Syslog Logs	107
11.2 Logs Screens	108
11.2.1 View Log Screen	108
11.2.2 Log Settings Screen	108
11.3 Log Message Descriptions	110
Tools	115
12.1 Firmware Screen	115
12.1.1 Firmware Upload Screens	116
12.2 Configuration Screen	117
12.2.1 Restore Configuration Screens	118
12.3 Restart Screen	119
Troubleshooting	121
13.1 Power, Hardware Connections, and LEDs	121
13.2 P-2024 Access and Login	122
13.3 Internet Access	123
13.4 Phone Calls and VoIP	124
Product Specifications	129
14.1 General P-2024 Specifications	129
14.2 Telco-50 Connector Pin Assignments	131
14.2.1 P-2024 Phone Port Pin Assignments	131
14.2.2 Telco-50 Cable Connector Pin Assignments	131
14.3 Console Port Pin Assignments	132
Appendices and Index	133
Setting up Your Computer’s IP Address	135
Pop-up Windows, JavaScripts and Java Permissions	151
Rack-mount Installation	157
IP Addresses and Subnetting	159
Command Interpreter	169
NetBIOS Filter Commands	173
Internal SPTGEN	175
Legal Information	191
Customer Support	195

Match case Limit results 1 per page

Chapter 11 Logs

P-2024 User’s Guide

111

Table 45

System Maintenance Logs

LOG MESSAGE

DESCRIPTION

Time synchronization is

successful

The device has adjusted its time based on information from

the time server.

Time synchronization failed

The device failed to get information from the time server.

WAN interface gets IP: %s

The WAN interface got a new IP address from the DHCP or

PPPoE server.

DHCP client IP expired

A DHCP client's IP address has expired.

DHCP server assigns %s

The DHCP server assigned an IP address to a client.

Successful WEB login

Someone has logged on to the device's web configurator

interface.

WEB login failed

Someone has failed to log on to the device's web configurator

interface.

Successful TELNET login

Someone has logged on to the router via telnet.

TELNET login failed

Someone has failed to log on to the router via telnet.

Successful FTP login

Someone has logged on to the device via ftp.

FTP login failed

Someone has failed to log on to the device via ftp.

NAT Session Table is Full!

The maximum number of NAT session table entries has been

exceeded and the table is full.

Time initialized by Datetime

server: %s

The device got the time and date from the Datetime server.

Time initialized by Time

server

The device got the time and date from the time server.

Time initialized by NTP

server

The device got the time and date from the NTP server.

Failed to sync with Daytime

server: %s

The device was not able to connect to the Daytime server.

Failed to sync with Time

server: %s

The device was not able to connect to the Time server.

Failed to sync with NTP

server: %s

The device was not able to connect to the NTP server.

Too large ICMP packet has

been dropped

The device dropped an ICMP packet that was too large.

Configuration Change: PC =

0x%x, Task ID = 0x%x

The device is saving configuration changes.

Table 46

TCP Reset Logs

LOG MESSAGE

DESCRIPTION

Under SYN flood attack,

sent TCP RST

The router sent a TCP reset packet when a host was under a SYN

flood attack (the TCP incomplete count is per destination host.)

Exceed TCP MAX

incomplete, sent TCP RST

The router sent a TCP reset packet when the number of TCP

incomplete connections exceeded the user configured threshold.

(the TCP incomplete count is per destination host.)