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Troubleshooting

GR2K-GA-0015 7-91

Ver. 07-02

7.12 Communication failure in QoS

7.12.1 Communication failures with Policy-Server

Prior to troubleshooting on communication failures with the policy-server, check to

see if the communication is enabled properly between the policy server and the

Router. To check this, establish a communication route according to Subsection

5.2.2, “Confirming the communication with relevant destination address”.

The following part explains the troubleshooting procedures to be followed in case any

of the following failures occur despite the fact that the communication route between

the policy-server and the router has been established.

7.12.1.1 Communication Cannot Be Established between the Policy-Server and the Router When

COPS is Started

(a) Inspection of Configuration Definition Information on Cops Agents

[Example]

Step 1. Log in to the Router.

Step 2. Check to see with the configuration definition command (CLI type 1) show

cops whether the cops agent information is properly set up. If negative,

define the information on the cops agents by referring to GR2000

Configuration Commands, Vol. 2.

Step 3. Make sure with the configuration command (CLI) type 1) show ip that the IP

information is set up. No information will be displayed on the policy-server

for those interfaces whose IP address information has not been set up with

the ip command.

Table 7-39 COPS-Related Troubleshooting

No. Description of Failure Reference Chapter

1 Communication cannot be established between

the policy-server and the Router when COPS is

started. (The policy-server displays no information

about the Router.)

Subsection 7.12.1.1, “Communication Cannot Be

Established between the Policy-Server and the Router

When COPS is Started,” on page 7-91.

2 Impossible to maintain communication between

the policy-server and the Router while COPS is in

operation. (The policy-server displays no

information about the Router.)

Subsection 7.12.1.2, “Impossible to Maintain

Communication Between the Policy-Server and the

Router While COPS is in Operation,” on page 7-92.

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Hitachi GR2000 Series Manual do Utilizador Página 257