Filter
Top Products
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 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
failure
Ethernet port communication failure 3.4.1 Ethernet Port Cannot Be Connected
BSU communication failure
[IP8800/S6700]
3.4.2 Communication Failure in Basic Switching Unit
BSU/PSP [IP8800/S6700]
10BASE-T/100BASE-TX/1000BASE-T
communication failure
3.4.3 Actions against Troubles on 10BASE-T/
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
functioning
3.4.6 Communication Failure on Using PoE
Link aggregation failure 3.4.7 Communication Failure on Using Link
Aggregation
Layer 2 network communication
failure
VLAN failure 3.5.1 Layer 2 Communication by VLAN Is Disabled
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
failure
Communication disabled 3.6.1 Communication Is Disabled or Is Disconnected
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