Hitachi Gigabit Router GR2000 Series Enhanced Version Operations - Device Management Overview
viii
GR2K-GA-0015
Ver. 07-02
7.5.5.1 Inspection of Log Message and Interface ..................................................................... 7-53
7.5.5.2 Confirmation of this Device’s DNS Relay State ............................................................ 7-53
7.5.5.3 Inspection of Configuration Definition Information ........................................................ 7-55
7.5.5.4 Confirmation of Name Server........................................................................................ 7-56
7.5.6 No communication is possible in VRRP configuration............................................................ 7-56
7.6 Communication failure in IPv4 unicast routing........................................................................... 7-58
7.6.1 No RIP route information exists .............................................................................................. 7-58
7.6.2 No OSPF route information exists .......................................................................................... 7-58
7.6.3 No BGP4 route information exists .......................................................................................... 7-59
7.7 Communication failure in IPv4 multicast routing ....................................................................... 7-60
7.7.1 No communication is possible in the PIM-DM network .......................................................... 7-60
7.7.2 No communication is possible in the PIM-SM network........................................................... 7-61
7.7.2.1 PIM-SM network............................................................................................................ 7-61
7.7.2.2 PIM-SSM network ......................................................................................................... 7-62
7.7.3 No communication is possible in the DVMRP network........................................................... 7-63
7.8 Troubleshooting IPv6 Communication Failures [ROUTE-OS6] ................................................. 7-65
7.8.1 Communication cannot be done or communication is disconnected...................................... 7-65
7.8.1.1 Inspection of Log Message and Interface ..................................................................... 7-66
7.8.1.2 Determination of Failure Range (Echo Test from This Router)..................................... 7-66
7.8.1.3 Determination of Failure Range (Echo Test from Other End Device) ........................... 7-67
7.8.1.4 Inspection of NDP Information with Neighbor Device ................................................... 7-67
7.8.1.5 Inspection of Unicast Routing Information .................................................................... 7-67
7.8.1.6 Inspection of Multicast Interface Information................................................................. 7-68
7.8.1.7 Inspection of Filtering/QoS Definition Information......................................................... 7-69
7.8.1.8 Inspection of RA Definition Information......................................................................... 7-69
7.8.1.9 Inspection of Null Interface Definition Information......................................................... 7-69
7.8.1.10 Confirmation of Tag-VLAN Setting Information........................................................... 7-70
7.8.1.11 Confirmation on Information Set for the Tunnel Interface ........................................... 7-70
7.8.2 No communication is possible in VRRP configuration............................................................ 7-72
7.8.3 No communication is possible in tunnel interface................................................................... 7-72
7.8.3.1 Confirmation of State .................................................................................................... 7-72
7.8.3.2 Confirmation of statistical information ........................................................................... 7-73
7.8.4 Troubleshooting NAT-PT Communication Failures ................................................................ 7-73
7.8.4.1 Inspection of Log Message and Interface ..................................................................... 7-74
7.8.4.2 Confirmation of statistical information related to NAT-PT ............................................. 7-75
7.8.4.3 Confirmation of Configuration Definition NAT Interface ................................................ 7-75
7.8.4.4 Confirmation of Log Information (Factor Analysis)........................................................ 7-75
7.8.4.5 Confirmation of Binding Entry (Factor Analysis) ........................................................... 7-76
7.8.4.6 Confirmation of Configuration Definition NAT Rule....................................................... 7-76
7.8.4.7 Confirmation of configuration definition NAT-PT MTU .................................................. 7-77
7.8.4.8 Confirmation of statistics related to DNS-ALG .............................................................. 7-77
7.8.4.9 Confirmation of relay network ....................................................................................... 7-77
7.9 Communication failure in IPv6 unicast routing........................................................................... 7-78
7.9.1 No RIPng route information exists .......................................................................................... 7-78
