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Cisco 10000 Series Router Performance Routing Engine Installation

OL-3971-03

Managing the Router Using the Network Management Ethernet Port

If these troubleshooting procedures do not correct the problem, refer to the Cisco 10000 Series Router

Troubleshooting Guide for additional information.

ManagingtheRouterUsingtheNetworkManagementEthernet

Port

The network management Ethernet (NME) port on the performance routing engine (PRE) is used to

manage the Cisco 10000 router. The duplex mode and speed of the NME port are configurable,

depending on the PRE installed in the router’s chassis. The Cisco 10000 router supports the following

PREs:

• ESR-PRE

• ESR-PRE1

• ESR-PRE2

The following sections describe how to configure the duplex mode and speed of the NME port for

specific PREs.

Configuring the NME Port—ESR-PRE and ESR-PRE1

The NME port for ESR-PRE or ESR-PRE1 supports the following operational modes:

• Autonegotiation (the default)

• Full-duplex

• Half-duplex

Default configurations do not appear in the router’s configuration file.

We recommend that you allow the NME port to autonegotiate the duplex mode. When autonegotiation

mode is enabled, the NME port responds only to 802.3x pause frames from another device.

If the negotiation of duplex mode fails and a duplex mode mismatch occurs, manually set the duplex

mode for full-duplex or half-duplex operation. Setting duplex mode disables autonegotiation mode.

When you manually set duplex mode, the NME port does not support 802.3x flow control.

The Fail LED does not light

during the power-on self-test

1. The PRE is not properly

seated.

2. Bad PRE slot or backplane

connector.

1. Be sure the ejector levers

are fully closed and that

the captive screws have

been tightened.

2. Remove the PRE and

install it in another chassis

slot.

PRE does not operate properly 1. Bad PRE slot or backplane

connector.

2. Bad PRE.

1. Remove the PRE and

install it in another PRE

slot if available.

2. Replace the PRE.

Table 5 PRE Installation Troubleshooting (continued)

Symptom Possible Cause Corrective Action

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 45 46

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