cisco switch troubleshooting

Cisco Fabric Manager is a Web-based, easy-to-use, responsive application that can be used to manage switches and networks in an integrated manner, thus simplifying the storage lan san) management of Cisco MDS 9000 series switches. Cisco Fabric Manager provides network-level management functions for storage administrators, including identification, multi-

Configuration example of cisco router and layer-3 Switch environment, cisco layer-3 SwitchSimple environment configuration instance for cisco router layer-3 Switch I. network topology: Ii. configuration command: 1. vro Configuration: Interface FastEthernet0/0 Ip address 10

(Config-router) #exitIf this is all configured, then use the ping command to test it!Here is a start-up-configuring HSRP Hot Spares:Configure on the active three-layer switch:Switch (config) #interface vlan 1Switch (config-if) #standby 1 IP 192.168.1.254Switch (config-if) #standby 1 priority 200Switch (config-if) #standby 1 track fastethernet 0/2Switch (config-if) #standby 1 preemptConfigure on the backup layer three switch:Switch (config) #interface vlan 1Switch (config-if) #standby 1 IP 192.1

transmission rate does not exceed the target receiving rate. It is achieved by setting a window size for transmission; Error Control: ensure that the received data is continuous and there is no error. If there is a lost or lost PDU, no ACK packet is sent. Connection-oriented protocols include ATM, TCP, Novell SPX, and Apple Talk ATP; 2. Non-connection protocols Connection settings and termination are not included, and no throttling or error control is available. Non-connection protocols include

An instance of VLAN configuration for Cisco L3 switches and L2 SwitchesCisco VLAN implementation is usually port-centric. The port connected to the node determines the VLAN in which it resides. There are two ways to allocate a port to a VLAN: Static and Dynamic. The process of creating a static VLAN is to forcibly allocate the port to a VLAN. That is, we first create a VLAN on The VTP (VLAN Trunking Protocol) server, and then assign each port to the c

Previous page Everyone talked about Cisco Basic Operation command switch, while dragon boat holiday, the Cisco simple switch configuration, and hope you share "Happy Dragon Boat Festival"! Ok, configure the switch, first, you must enter the global configuration mode

How does a cisco switch find a loop? How to solve Loop Problems, cisco How does a cisco switch find a loop? Loop Problem Solution How can we intuitively and quickly determine whether a loop exists on a cisco

. Features: With PortChannels, You can aggregate 16 Physical ISLs into a logical connection bundle to improve the bandwidth utilization of all links. The connection bundle can contain any port on any module in the chassis. When the module fails, the connection bundle can be available. The shortest path-First Protocol (FSPF) provides multi-path intelligence. When a switch fails, it can balance the load to 16 other cost paths to achieve dynamic traffic

Physical ISLs into a logical connection bundle to improve the bandwidth utilization of all links. The connection bundle can contain any port on any module in the chassis. When the module fails, the connection bundle can be available. With the intelligence provided by the Shortest Path First Protocol (FSPF) multi-path, when a switch fails, the load can be balanced to 16 other cost paths to achieve dynamic traffic rerunning. Fiber Channel congestion co

CISCO router switch SNMPv2 configuration, cisco Router Cisco router SNMP Configuration Snmp-server community CQGASPZW-R RO // ro read-only Snmp-server trap-source Loopback0 // use the loopbackaddress as the source address of the message sent by the trap. Snmp-server host 50.1.50.3 version 2c CQGASPZW-R udp-port 9006 /

Technical standards for VLANs IEEE 802.1Q was formally promulgated by IEEE Commissioners in June 1999, and the earliest Vlna technology was proposed by Cisco (Cisco) companies in 1996. With the development of the past few years, VLAN technology has been widely used in large and small enterprise networks, becoming the most popular Ethernet LAN technology at present. This article is going to introduce one of

Tags: Baidu search switch public Cisco errorCISCO 6500 Series SwitchesiOS version: Version 12.2 (SXJ)Exception logs for Cisco 6500 series switches: NRGYZ:ERROR:Database uninitialized, in addition to watching device performance, when viewing the history of device CPU usage, will find that the CPU is a lot of time to go to 100%!!!650) this.width=650; "title=" CPU U

, adding switches and end devices1, double-click switch into switch command line (CLI) mode, switch configuration mode by command2 in most cases for security reasons, you need to configure the switch privileged mode passwordValidation test3 Configuring the telnet login switchTo achieve remote login, first need to confi

(global configuration mode)S1 (config) #interface vlan 1 --Enter VLAN 1 PortS1 (config-if) #ip address 192.168.1.1 255.255.255.0 --Configure the vlan1 with an IP address so PC1 and S1 can ping interoperabilityS1 (config-if) #no shutdown --activating VLAN 1 PortS1 (config-if) #end --Return to privileged modes1#copy running-config startup-config --Save configuration (from memory RAM to hard disk NVRAM)s1#show running-config --View switch configuration

I believe that many users who use cisco routers have encountered such problems. It does not matter. Next we analyze two common troubleshooting methods for cisco switches. The organization bought a new cisco switch a few days ago, with the WS-X6548-GE-TX,

SYSTEM image according to the boot system command settings in the startup configuration, if this command is not set, the operating system image is loaded from the system image on a default network server. When the 6th-bit value is 1, the configurations in NVRAM are ignored when the vro starts. For example: 0x0: the operating system image is not automatically loaded, but enters the ROM monitor mode and waits for the user to enter the command (for example, if the command fails in the pre

I. troubleshooting commands 1. show command: 1) Global commands: Show version; displays the system hardware and software versions, DRAM, Flash Show startup-config; displays the configuration content written into NVRAM Show running-config; displays the currently running configuration content Show buffers; Detailed output buffer name and size Show stacks; provides the router process and processor utilization information, using stack decode Show tech-sup

1. Troubleshooting)Here we will introduce the hardware and software problems that may occur when using vrouters. During the networking process, such as X.25, FR, DDN, DDR, TCP/IP, problems encountered in different network environments such as interconnection with IBM large hosts and solutions .? Troubleshooting tool? What is the Troubleshooting of TCP/IP connecti

Mirror Port configurationMost switches support mirroring technology, which allows for easy troubleshooting of the switch. We call it "mirroring" or "Spanning". Mirroring is the copying of traffic from one port on the switch to the other (mirror port) for monitoring.CISCO3550 can be configured with 2 mirror portsCase: Mirroring Port 2~5 to Port 61. Mirror Port con

IOS is the core of a vro switch device, and IOS is internet operate system. It is like a computer's operating system windows. Although it is a software, it cannot run any software if it encounters a problem. Therefore, if there is a problem with IOS, the routing switch device will not be able to run normally, and the configuration commands will all be lost. We can only reinstall IOS. 　　 This document uses