Hitachi GR2000 Series - Manual (Page 167)

GR2K-GA-0015 7-1
Ver. 07-02
Chapter 7
Troubleshooting
This chapter describes measures to be taken when a router is not operating normally
or when communication is not possible. The major sections are as follows:
Section 7.1, “Failure in router or failure in part of router” on page 7-2,
Section 7.2, “Problem in operation terminal” on page 7-5,
Section 7.3, “Failure information detection” on page 7-9,
Section 7.4, “Communication failure in network interface” on page 7-11,
Section 7.5, “Communication Failure in IPv4 Network” on page 7-23,
Section 7.6, “Communication failure in IPv4 unicast routing” on page 7-58,
Section 7.7, “Communication failure in IPv4 multicast routing” on page 7-60,
Section 7.8, “Troubleshooting IPv6 Communication Failures [ROUTE-OS6]” on
page 7-65,
Section 7.9, “Communication failure in IPv6 unicast routing” on page 7-78,
Section 7.10, “Communication failure in IPv6 multicast routing” on page 7-80,
Section 7.11, “Communication faults of MPLS [ROUTE-OS7]” on page 7-83,
Section 7.12, “Communication failure in QoS” on page 7-91,
Section 7.13, “Communication failure in Multiprotocol” on page 7-93,
Section 7.14, “Communication failure in SNMP” on page 7-94, and
Section 7.15, “Communication failure in NTP” on page 7-96.
Unless otherwise specified, commands discussed in this chapter are fully documented
in GR2000 Operations Commands, Vol. 1 and GR2000 Operations Commands, Vol. 2.