cisco 3750 layer 3

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Configuration example of cisco router and layer-3 Switch environment, cisco layer-3 Switch

Configuration example of cisco router and layer-3 Switch environment, cisco layer-3 SwitchSimple environment configuration instance for cisco router

Network devices-Cisco-Switches (example 3750) stack end configuration Chapter

I came back again, the last two articles introduced the Huawei Stack, third firewall IRF. This time to introduce the Cisco stack (stack), although the implementation of the idea is consistent, but the configuration there is a need to pay attention to the place, especially now do the two-tier operators of the network workers, all the producers will be, the pressure is really big.First, the topological environment:650) this.width=650; "Src=" Http://s2.5

Introduction to Cisco 3750 switch Stack

, and the slot number is different) Iii. Stack instances: 1: The stacked cables are physically connected. The connection method is master stack1, which is connected to slave stack2. 2: enable the master without any configuration. . 3: Server Load balancer is enabled. 4: No configuration is required. Line plug, automatic stacking election upon startup, master is highlighted) Note: You can also configure stacks first, such as IP addresses and priorities

Cisco 3750 switch stack configuration points

Cisco 3750 switch stack configuration points 3750 stack is a real stack, the Catalyst 3550 series uses StackWise technology, it is an innovative stack architecture, A 32 Gbps stack interconnection is provided to connect up to nine switches and integrate them into a unified, logical, and optimized device for convergence, in this way, customers can deploy voice, vi

CISCO 3750 Dual Switch stack operation, cisco3750 dual

CISCO 3750 Dual Switch stack operation, cisco3750 dual Double switch stack operation I. Basic Requirements: The ios version must be consistent with the dedicated stack module and stack cable, and the maximum number of stacks is 9. Ii. Stack advantages: High-density ports, easy to manage, and stacked switches can be regarded as a unified configuration of a switch Iii. Stack instances: 1: Clear the configurat

Analysis of Cisco layer-3 Switch stack connection

The Cisco layer-3 switch is another core switch developed by Cisco. It aggregates the bandwidth of the backboard of the switch that is stacked together, in this way, the total backplane of the switch stack is the sum of the bandwidth of several stack switches. Note that not only the ports used are different, but the ca

Layer-3 switches of Cisco devices practice communication between different VLANs.

Layer-3 switches of Cisco devices practice communication between different VLANs. Layer-3 switches of Cisco devices practice communication between different VLANs. Cisco device

Cisco layer-3 Switch typical VLAN configuration

A typical LAN is to connect a core switch with a layer-3 Switch to several Branch switches (not necessarily with layer-3 switching ). We assume that the core switch name is com, and the Branch switches are par1, par2, and par3 respectively, which are connected to the core switch through the light module of port 1; assu

[Cisco] DHCP relay, layer-3 Switch VLAN Routing Practice

[Cisco] DHCP relay, layer-3 Switch VLAN Routing PracticeThe experiment topology uses the GNS3 0.8.6 simulator to build a DHCP server using Red Hat 6.5. The experiment requires configuring a layer-3 Switch VLAN routing so that VLAN10 and VLAN20 members can access each other.

Layer-3 Switch for Cisco switches

Layer-3 Switch for Cisco switches Although single-arm routing solves the communication problem between different VLANs, it also has its fatal defects: -The single arm itself is the Backbone link of the network, which is easy to form a network bottleneck. -The sub-interface relies on physical interfaces, and the application is not flexible -You need to view the r

Cisco advanced routing with Switching (Cisco section) 3–4 days

Tags: HSRP working principle STP effect ACL access control List loop storm Cisco private protocolDay 031. What is HSRP? How does it work?HSRP: Hot Standby Routing protocolHSRP is a Cisco private protocol that ensures that user communication can be quickly and transparently restored when a network edge device or access link fails.This provides redundant rows for the IP network. By using the same virtual IP a

CISCO PT Simulation Experiment (9) Inter-VLAN routing for layer three switches

configuration ip address of the virtual interface, as the vlan gateway for different vlan Note: The IP address of the two-tier switch configuration VLAN can only be used as a device management address, with only one. Experimental Equipment : switch_3560 1 units, switch_2960 1 units, PC 3, straight line, crossover line.Experimental topology :Experimental steps:New Cisco

Configure an ACL on a layer-3 Switch

3750 configuration: 3750 # conft3750 (config) # intf0153750 (config-if) # switchportmodetrunk3750 (config) # end3750 # vlandatabase3750 (vlan) # vtpserver3750 (vlan) # vtpdomainsy3750) # vtppasswordcisco3750 (vlan) # vlan103750 (vlan) # vlan2037 3750 configuration: 3750 # conf t 37

Guard against typical spoofing and layer-2 attacks on CISCO switches

1. Prevention of MAC/CAM attacks1.1principles and hazards of MAC/CAM attacks1.2 typical cases of MAC/CAM attacks1.3 use port security feature to prevent MAC/CAM attacks1.4 Configuration1.5 use other technologies to prevent MAC/CAM attacks 2. DHCP attack prevention2.1 FAQs about DHCP management:2.2 DHCP snooping TechnologySurgery Overview2.3 Basic defense2.4 Advanced Defense 3. Principles and prevention of ARP spoofing/mitm (man-in-the-middle) Atta

cisco-sw-three-layer switching between-vlan routing protocols

(All of the following is the hand of pure hand, there are flaws in the place, please also contain a lot of information to send piglets to exchange!) )(All content and annotations in this article are displayed in the recursive architecture, because the format display does not understand the point of understanding!) )(In this paper, the command keyword is mostly used shorthand, if there is an unknown, it is best to type the command when you use TAB completion!) )

Guard against typical spoofing and layer-2 attacks on CISCO switches

Manual implementation usually refers to the use of some hacker tools to scan and sniff the network, obtain the management account and related passwords, and install trojans on the network to further steal confidential files. The attack and deception process is relatively concealed and quiet, but it is extremely harmful to enterprises with high information security requirements. However, attacks from Trojans, viruses, and worms often deviate from the attack and cheat itself. Sometimes, they are v

The layer-3 switch you know works like this. It works like a layer-3 switch.

The layer-3 switch you know works like this. It works like a layer-3 switch. Why do we say that the L3 forwarding performance of a layer-3 switch is much higher than that of a router? Sometimes it is mentioned in many books that

Two methods for communication between different VLANs (single-arm routing and layer-3 Switching)

Two methods for communication between different VLANs (single-arm routing and layer-3 Switching)Test environment: Third data center, second floor, east suburbInvestigational device: Catalyst 2950-24 (SW3)Cisco 2611 (R2)Catalyst 3750 SERIES (with two SD interfaces, S8----SW-2L)Real machine (PC5, PC6 ).Objective::1. Comm

Transition from layer-3 Exchange Technology to layer-4 Exchange Technology

Switching environment and contains a route table mapped to the layer-3 virtual circuit. Allow more than two computers on the same end of the ATM network to send data through a virtual circuit, thus reducing network traffic. MPOA (MultiProtocolOverATM): A specification proposed by the ATM Forum. When requested by the source client, the optimal transmission path is provided after the route is calculated. The

CISCO technology set 3

encapsulate the PPP protocol and adopt CHAP for authentication. In Router1, a user should be created and the peer vro host name should be used as the user name, that is, the user name should be router2. At the same time, a user should be created in Router2, with the peer router host name as the user name, that is, the user name should be router1. The password of the user must be the same. The settings are as follows: Router1: Hostname router1 Username router2 password xxx Interface Serial0 Ip a

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