NEC IP8800/S6300 Functional Failure Analysis Overview, Functional Failure Status and Reference

1. Overview

1.3Functional Failure Analysis Overview

The overview of functional failure analysis for this system is shown in the table below.

Some communication failure in the lower layer may cause the communication failure in the upper layer, check the items in the lower layer as well.

Table 1-3: Functional Failure Status and Reference

Item	Subitem	Reference
Forgot login password	Forgot login user password	3.1.1 Forgot the Login User Password
	Forgot system administrator password	3.1.2 Forgot the System Administrator Password
Problems on MC	"MC:--------" is displayed	3.2.1 "MC:--------" is displayed by entering the show
		system command or the show mc command
	"MC not found." is displayed	3.2.2 "MC not found" is displayed when MC is
		accessed
Problems on operation terminal	Console input/display disabled	3.3.1 Unable to Input/Display from the Console
		Correctly
	Remote login disabled	3.3.2 Login from the Remote Operation Terminal Is
		Failed
	Login authentication disabled	3.3.4 Command Authorization Using RADIUS/
		TACACS+ Is Disabled
	Command acceptance disabled	3.3.4 Command Authorization Using RADIUS/
		TACACS+ Is Disabled
Network interface communication	Ethernet port communication failure	3.4.1 Ethernet Port Cannot Be Connected
failure
	BSU communication failure	3.4.2 Communication Failure in Basic Switching Unit
	[IP8800/S6700]	BSU/PSP [IP8800/S6700]
	10BASE-T/100BASE-TX/1000BASE-T	3.4.3 Actions against Troubles on 10BASE-T/
	communication failure	100BASE-TX/1000BASE-T
	1000BASE-X communication failure	3.4.4 Actions against Troubles on 1000BASE-X
	10GBASE-R communication failure	3.4.5 Actions against Troubles on 10GBASE-R
	Communication failure while PoE is	3.4.6 Communication Failure on Using PoE
	functioning
	Link aggregation failure	3.4.7 Communication Failure on Using Link
		Aggregation
Layer 2 network communication	VLAN failure	3.5.1 Layer 2 Communication by VLAN Is Disabled
failure
	Spanning tree failure	3.5.2 Failures on Using Spanning Tree
	Ring Protocol failure	3.5.3 Failures on Using Ring Protocol
	IGMP snooping disabled	3.5.4 Multicast Relay by IGMP snooping Is Disabled
	MLD snooping disabled	3.5.5 Multicast Relay by MLD snooping Is Disabled
IPv4 network communication	Communication disabled	3.6.1 Communication Is Disabled or Is Disconnected
failure
	DHCP disabled	3.6.2 IP Addresses Cannot Be Assigned Using DHCP
		Function
	Dynamic DNS disabled	3.6.3 DynamicDNS Cooperation in DHCP Function Is
		Disabled

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