Cisco Systems 17053 appendix LnkChk to enable

Page 20

 

traffic.

 

 

 

 

 

 

 

 

Despite the proper

 

3Com

 

configuration of

 

 

Catalyst switch ports,

 

3C905/3C905B

Intermittent DHCP

 

workstations still

 

 

issues.

Upgrade to driver version

 

experience some

 

 

4.01b or later, which

 

 

intermittent DHCP

 

 

resolves DHCP issues.

 

 

issues.

 

 

 

 

 

 

 

 

 

Despite the proper

 

3Com

Unable to log in to

configuration of

Upgrade to driver 4.01b

Catalyst switch ports,

3C905/3C905B

Novell Internetwork

or later, which resolves

workstations still

 

Packet Exchange

experience

IPX autoframe−type

 

(IPX) network.

issues. Alternatively,

 

intermittent Novell

 

 

manually configure

 

 

IPX login issues.

 

 

workstations for IPX

 

 

 

 

 

Notable slow

frame type.

 

 

performance when

 

3Com 3C905B

Slow performance

large files are

 

when large files are

received. Problem

 

 

 

 

received.

only occurs with

Download latest driver

 

 

standard Microsoft

 

 

from 3Com technical

 

 

NT 4.0, regardless of

 

 

support.

 

 

service pack.

 

 

 

 

 

 

 

 

 

 

Load latest driver and

 

Layer 2 (L2) errors

 

diagnostic tools available

 

 

from 3Com. Test

 

reported on switch

 

 

 

performance

 

port (FCS,

 

 

 

back−to−back between

3Com 3C905C

alignment, CRC,

 

Under normal

two PCs, and note errors

 

and runts), and slow

 

conditions, a Catalyst

on diagnostic tools.

 

performance on

that reports numerous

Errors reported, such as

 

high−speed

 

L2 (physical) errors

transmit under−run and

 

workstations.

 

on ports connected to

receive over−run, cause

 

 

 

 

3C905C NIC

physical layers to be

 

 

adapters.

reported by the switch

 

 

 

and minor performance

 

 

 

issues. For more details,

 

 

 

refer to Cisco bug ID

 

 

 

CSCdt68700 (

 

 

 

registered customers only) .

 

 

 

 

 

The link fails to

 

 

 

come up when the

 

 

 

switch port is

 

 

3C905CX−TX−M

hardcoded to 100

 

 

Mbps, full−duplex

 

 

 

 

 

 

or 100 Mbps,

 

Upgrade to driver version

 

half−duplex, and

Refer to Cisco bug ID

5.4, and in the advanced

 

the NIC is set to

CSCdz32789 (

NIC properties, set

 

autonegotiate.

registered customers only)

LnkChk to enable. The

 

 

 

 

3Com 3C980

Data corruption

.

driver can be downloaded

￿

Refer to 3Com technical

 

with Novell.

 

from 3Com .

 

 

support reference

 

 

 

 

Image 20
Contents Introduction PrerequisitesDocument ID RequirementsGeneral Troubleshooting for 10/100/1000 Mbps NICs Background InformationAutonegotiation Valid Configuration Configuration2 DuplexMismatch CorrectVerifying Physical Connection and Link ∙ show port modDport∙ show interfaces type Verifying Switch Port ConfigurationMaintaining Link Link Up/Down Situations Performance Notes Understanding Data Link Errors∙ Adjust switch jitter tolerance Explanation of CatOS show port Command Counters FCSPossible Causes for Incrementing CatOS Counters Explanation of CatOS show mac Command Counters Sniffer Trace Additional Troubleshooting for 1000BASE−X NICs Gigabit Autonegotiation Configuration TableTeaming of Network Interface Cards Gigabit Autonegotiation No Link to Connected DeviceCatalyst 6000 and 6500 Switches Catalyst 8510 and 8540 CSRCatalyst 5000 and 5500 Switches Set port enableCatalyst 4000, 2948G, and 2980G Switches Day to once a month. This issue can Catalyst 2950 and 3550 Switches NIC Compatibility and Operation Issues NICPage LnkChk to enable. 33921641.2241835 Panel System HardwareDevice ManagerPage R2BE/RBE/CBE Appendix B Understanding How Autonegotiation Works Physical Interface PHY Control Register Programmable Options= loopback mode switched on Networking Professionals Connection Featured Conversations Related Information

17053 specifications

Cisco Systems 17053 is a robust and versatile networking solution designed to meet the demands of modern data centers and enterprise environments. This device is part of Cisco's comprehensive portfolio of networking products, offering high performance, reliability, and scalability to help organizations enhance their connectivity and operational efficiency.

One of the main features of the Cisco 17053 is its support for advanced routing protocols, including OSPF, BGP, and EIGRP. These protocols enable seamless communication and data exchange across complex networks, ensuring that information is transmitted swiftly and effectively. This is particularly important for organizations that rely on real-time data and applications, such as financial services or online retail.

In addition to its routing capabilities, the Cisco 17053 boasts powerful security features. It provides robust firewall protection, VPN support, and advanced threat detection and mitigation mechanisms. These security measures help protect sensitive data from unauthorized access and cyber threats, ensuring that organizations can operate safely in today's increasingly interconnected world.

Moreover, the Cisco 17053 is equipped with advanced Quality of Service (QoS) functionalities. This feature allows network administrators to prioritize critical applications and ensure consistent performance even during times of high traffic. By managing bandwidth effectively, organizations can reduce latency and improve user experiences across various applications.

Scalability is another key characteristic of the Cisco 17053. The device can easily integrate into existing networks and expand as organizational needs grow. This modularity allows businesses to adapt their infrastructure without the need for a complete overhaul, saving time and resources.

Additionally, the Cisco 17053 supports various access technologies, including Ethernet and fiber connections, which provide flexibility in deployment. The device is designed to accommodate different network topologies, making it suitable for both small businesses and large enterprises.

Lastly, Cisco offers comprehensive support and services for the 17053, including training resources, technical support, and regular software updates. This dedication to customer service ensures that organizations can maximize their investment and stay ahead in an ever-evolving technological landscape.

In conclusion, the Cisco Systems 17053 is a feature-rich networking solution that combines advanced routing protocols, robust security measures, and exceptional scalability. With its ability to enhance network performance and offer comprehensive support, it stands out as a reliable choice for organizations looking to optimize their networking capabilities.