NEC IP8800/S2400 User Manual

1.   

Overview

7

1.3

Functional 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

Forgot system administrator password

Problems on MC

"MC:--------" is displayed

"MC not found." is displayed

Problems on operation terminal

Console input/display disabled

Remote login disabled

Login authentication disabled

Command acceptance disabled

Network interface communication 
failure

Ethernet port communication failure

BSU communication failure
[IP8800/S6700]

 [IP8800/S6700]

10BASE-T/100BASE-TX/1000BASE-T 
communication failure

1000BASE-X communication failure

10GBASE-R communication failure

Communication failure while PoE is 
functioning

Link aggregation failure

Layer 2 network communication 
failure

VLAN failure

Spanning tree failure

Ring Protocol failure

IGMP snooping disabled

MLD snooping disabled

IPv4 network communication 
failure

Communication disabled

DHCP disabled

Dynamic DNS disabled