Hitachi GR2000 Series Bedienungsanleitung PDF herunterladen (Seite 213)

Troubleshooting

GR2K-GA-0015 7-47

Ver. 07-02

Step 1. Log in to the own router.

Step 2. Confirm the PPPoE session status by using the show interfaces command.

If the applicable session status does not read "connected," proceed to

Section 7.4, “Communication failure in network interface”. If the applicable

session status reads "connected," proceed to Subsection 7.5.3.5,

“Inspection of Route Information”.

7.5.3.5 Inspection of Route Information

Communication may be disabled in the middle of the route to the destination, or the

route might not be working properly, even though the address for the neighbor host/

router is solved. The procedure for confirming the route information that this device

has obtained is given below.

Step 1. Log in to this router.

Step 2. Use the show ip route command to inspect the route information that this

device has obtained.

Step 3. Go to Section 7.6, “Communication failure in IPv4 unicast routing”, when

the route information of an interface in which a communication failure has

occurred is not contained in the route information that the router acquired

or when the next hop address is illegal.

Step 4. A problem is judged to exist in the functions below that are set to the

interface in which communication is not possible when the route

information of an interface in which a communication failure has occurred

is contained in the route information that the router acquired. Examine the

relevant function.

mru (MTU)

Go to Subsection 7.5.3.6, “Setting Value for mru (MTU)”.

MSS

Go to Subsection 7.5.3.7, “Setting Value of mss Information”.

It must read “connected”.

MAC address must

have been derived.

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Hitachi GR2000 Series Bedienungsanleitung Seite 213