Chapter 5 Troubleshooting the Uplink Cards

Troubleshooting the Uplink Cards Installation

Table 5-9

IEEE 802.17 RPR Steer Messages

 

 

 

 

 

Alarm

 

Description

Solution

 

 

 

RPR-IEEE1/1 protected on

User initiated forced

User initiated, none.

span East (span WEST User

switch on span WEST on

 

Request Forced Switch)

node

 

 

 

 

RPR-IEEE1/1 protected on

User initiated manual

User initiated, none.

span EAST (span WEST User

switch on span WEST on

 

Request Manual Switch)

node

 

 

 

 

RPR-IEEE1/1 protected on

SONET Layer 1 signal fail

Investigate Keepalive failure. Wrap

span EAST (span WEST Self

detected

occurred.

Detect Signal Fail)

 

Keepalive failure—SLOS, SLOF, LSF, or

 

 

 

 

 

 

LAIS.

 

 

 

RPR-IEEE1/1 protected on

SONET Layer 1 signal fail

Investigate Keepalive failure. Wrap

span EAST (span WEST

detected

occurred.

Span Neighbor Signal

 

Keepalive failure—LSD.

Degrade)

 

 

 

 

 

 

 

 

RPR-IEEE1/1 protected on

Wrap cleared, node

WTR period is 10 to 360 seconds (user

span EAST (span WEST Self

initiated; Wait to Restore

configured), node will unwrap at end of

Detect Wait to Restore

(WTR) state

WTR. None.

[WTR])

 

 

 

 

 

 

RPR-IEEE1/1 protected on

Neighbor node Forced

User initiated, none.

span EAST (span WEST

Switch initiated by user.

 

Span Neighbor Forced

Node wrap to protect

 

Switch)

 

failed span

 

 

 

 

RPR-IEEE1/1 protected on

Neighbor node Manual

User initiated, none.

span EAST (span WEST

Switch initiated by user.

 

Span Neighbor Manual

Node wrap

 

Switch)

 

 

 

 

 

 

RPR-IEEE1/1 protected on

Neighbor node protected

Investigate the signal degrade on neighbor

span EAST (span WEST

due to signal fail

node.

Span Neighbor Signal Fail)

 

 

 

 

 

RPR-IEEE1/1 protected on

Neighbor node protected

Investigate the signal degrade on neighbor

span EAST (span WEST

due to signal degrade

node.

Span Neighbor Signal

 

 

Degrade)

 

 

 

 

 

 

RPR-IEEE1/1 protected on

Wrap cleared, node

WTR period is 0 to 1440, or never (user

span EAST (span WEST

initiated; Wait to Restore

configured), node will unwrap at end of

Span Neighbor WTR)

state

WTR. None. Setting WTR to never will

 

 

 

prevent the node from unwrapping.

 

 

 

RPR-IEEE1/1 protected on

Neighbor node Forced

Investigate why the short path request was

span EAST (span WEST

Switch initiated by user;

not received.

Long Request Forced Switch)

Node wrap to protect

Check other problems on the short span as

 

 

failed span; Secondary

 

 

indicated on the neighbor node.

 

 

problem on the short path

 

 

 

 

 

 

 

 

Book Title

5-10

78-13113-06 B0

Page 72
Image 72
Cisco Systems CISCO10720 manual Lais

CISCO10720 specifications

Cisco Systems CISCO10720 is an advanced router designed to cater to the demands of service providers and large enterprises. Known as the Cisco 10720, this device features a highly efficient architecture that allows for high-speed data transport and optimized network performance. Its core purpose is to facilitate effective broadband services, including Internet Protocol (IP) data, voice, and video services.

One of the standout features of the Cisco 10720 is its modularity. This router supports various interface modules, allowing users to customize their hardware based on specific network needs. The ability to mix and match different modules ensures that clients can adapt the router to future requirements without needing to invest in an entirely new system.

The Cisco 10720 is built on high-performance forwarding capabilities, which is driven by its advanced chipset. This ensures low latency and high throughput, which are essential for applications requiring real-time communication, such as VoIP and streaming video. The system architecture is designed to manage and prioritize traffic effectively, utilizing Quality of Service (QoS) mechanisms to enhance user experience.

Security is another critical characteristic of the Cisco 10720. It offers robust security features, including access control lists (ACLs), encryption protocols, and network address translation (NAT) functionalities, ensuring that data remains secure as it traverses the network. These features help protect against a variety of threats while maintaining compliance with industry standards.

Moreover, the router supports various LAN and WAN technologies, making it versatile for different networking environments. It accommodates technologies such as MPLS, which enhances routing efficiency and supports better service level agreements (SLAs).

Another significant aspect of the Cisco Systems CISCO10720 is its scalability. The router is designed to handle growing bandwidth requirements effectively, accommodating an increasing number of connected devices and users. This flexibility is vital for businesses that may experience rapid growth or fluctuating network demands.

In summary, the Cisco Systems CISCO10720 stands out as a robust solution for enterprises and service providers looking to enhance their network capabilities. With its modular design, high-performance architecture, strong security features, support for various technologies, and scalability, the CISCO10720 is well-equipped to meet the challenges of modern networking environments.