Chapter 8

Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem Solving Using a Subsystems Approach

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLI command

An ACL may be assigned

See Initial System Configuration (on

 

 

 

 

show access-lists

that denies entry.

page 5-3)

 

 

 

 

 

 

Refer to "Access Control Lists" in

 

 

 

 

 

 

the Cisco Service Control Engine

 

 

 

 

 

 

(SCE) Software Configuration Guide.

 

 

 

 

 

 

 

• Telnet

 

• CLI command

Management interface IP

Check / reconfigure management

 

connection

 

show interface

address or subnet mask is

port IP address and subnet mask

 

cannot be

 

incorrect.

 

 

 

 

established

 

mng

 

 

 

 

• Mng LINK LED

 

 

 

 

 

 

is not lit (link is

 

 

 

 

 

 

 

down)

 

 

 

 

 

 

 

 

 

 

 

 

 

• Telnet

 

CLI command:

Telnet server is disabled.

Enable Telnet server:

 

connection

 

show telnet

 

service telnetd

 

cannot be

 

 

 

established

 

status

 

 

 

 

• Mng LINK LED

 

 

 

 

 

 

is lit (link is up)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLI command:

Too many Telnet

Close one or more of the open Telnet

 

 

 

 

show telnet

connections (up to 5

sessions.

 

 

 

 

concurrent sessions are

 

 

 

 

 

 

 

sessions

supported).

 

 

 

 

 

 

 

CLI command:

Default gateway is incorrect

Check / reconfigure default gateway.

 

 

 

 

show ip default-

(when the host used as client

See Initial System Configuration (on

 

 

 

 

is not in the same network

 

 

 

 

gateway

as the SCE Platform).

page 5-3)

 

 

 

 

 

 

Refer to "IP Configuration" in the

 

 

 

 

 

 

Cisco Service Control Engine (SCE)

 

 

 

 

 

 

Software Configuration Guide.

 

 

 

 

 

 

 

 

 

 

 

 

 

CLI command:

Routing tables are

Check / reconfigure routing tables.

 

 

 

 

show ip route

incorrectly configured

See Initial System Configuration (on

 

 

 

 

(when the host used as client

 

 

 

 

<host-ip-address>

is not in the same network

page 5-3)

 

 

 

 

 

as the SCE Platform, and

Refer to "IP Configuration" in the

 

 

 

 

 

there is more than one

Cisco Service Control Engine (SCE)

 

 

 

 

 

gateway on the SCE

Software Configuration Guide.

 

 

 

 

 

Platform network).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLI commands:

Host is not a member of a

Check / reconfigure access-list.

 

 

 

 

show access-

valid access-list.

See Initial System Configuration (on

 

 

 

 

 

 

 

 

 

lists

 

page 5-3)

 

 

 

 

show line vty

 

Refer to "Access Control Lists" in

 

 

 

 

access-class

 

the Cisco Service Control Engine

 

 

 

 

show ip access-

 

(SCE) Software Configuration Guide.

 

 

 

 

 

 

 

 

 

 

 

 

class

 

 

 

 

Cisco SCE 1000 2xGBE Installation and Configuration Guide

 

OL-7821-04

8-13

 

 

 

Page 119
Image 119
Cisco Systems SCE 1000 2xGBE, OL-7821-04 manual Refer to Access Control Lists, SCE Software Configuration Guide

SCE 1000 2xGBE, OL-7821-04 specifications

Cisco Systems OL-7821-04, SCE 1000 2xGBE is an advanced network service appliance designed to deliver superior performance and reliability for service providers seeking to optimize their networks. This compact yet powerful device is integral in addressing the growing demands of data traffic in telecommunications and data centers.

One of the standout features of the SCE 1000 is its ability to support both IPv4 and IPv6 networks, ensuring compatibility with current and future networking protocols. This dual-stack capability empowers service providers to seamlessly transition and integrate next-generation applications without jeopardizing service quality.

The SCE 1000 is equipped with two Gigabit Ethernet (GbE) ports that enhance its connectivity options and allow for increased bandwidth. This dual-port configuration supports high-speed data transfers and streamlined operations, making it ideal for enterprises with substantial networking demands. Its flexible interface options facilitate easy integration into existing network architectures without requiring extensive reconfiguration.

An essential characteristic of the SCE 1000 is its advanced service creation technology, which allows for dynamic traffic management. This feature intelligently prioritizes and optimizes applications, ensuring that critical services receive the bandwidth they need while maintaining overall network efficiency. Service providers can leverage this capability to implement Quality of Service (QoS) policies, delivering a consistent user experience even during peak usage times.

Furthermore, the SCE 1000 supports various traffic engineering methods, including deep packet inspection and application recognition, enabling operators to monitor and control network traffic effectively. This capability is particularly crucial in identifying and mitigating potential network threats, resulting in enhanced security measures.

With its robust architecture, the device also offers scalability, accommodating the growing network requirements of service providers. As businesses grow and data use expands, the SCE 1000 can adapt without compromising performance.

In summary, the Cisco Systems OL-7821-04, SCE 1000 2xGBE is a versatile network service appliance that combines high performance, advanced service creation technology, and strong security features. It stands out as an essential tool for service providers aiming to enhance their network capabilities and deliver superior services to customers. Its dual GbE ports, IPv4/IPv6 support, and dynamic traffic management make it a reliable choice for organizations anticipating significant data growth.