cisco 2950 switch configuration

First, switch configuration snmp-server Community public roSnmp-server Enable trapsSnmp-server Host *.*.*.* version 2c publicsnmp-server trap-source VLAN 1Two, Nagios server configurationDownload check_traffic.sh script, chech_traffic.sh not nagios-plugins comes with plug-in, need to download it yourself.chmod 777 check_traffic.sh Giving script execution permissions 1. Get the index information for the

Lab Environment:The company has a Cisco switch that forgets the login password and cannot enter into privileged mode.Implementation features:To modify the login password in privileged mode1, desktop----start----All Programs----attachments----hyperterminal----files----New Connection---CustomThe name test----OK.2. The COM1 (depending on the actual situation) used in the connection is----determined.3, Rate: 96

message are correctIf a large number of messages are sent, the network bandwidth will be exhausted to form another Denial-of-Service attack.3. The client can specify the IP address at will.The client does not have to use the DHCP service. It can set IP addresses in a static way. If any,This will greatly increase the possibility of network IP address conflict.II. Introduction to DHCP Snooping TechnologyDHCP Snooping is a DHCP security feature. Cisco s

Cisco switch snmp setting commandCisco switch snmp setting command (from Cisco switch command list)94. set snmp Command Options: set snmp community {read-only | ready-write | read-write-all} [community_string]95. set snmp trap Command Format:Set snmp trap {enable | disable}

When I got up this morning to go to the forum, I saw a post. Ask how to solve the following problem? A Cisco three-tier switch divides 3 VLANsVLAN 2:IP 192.168.1.1 255.255.255.0 192.168.1.254 Network SegmentVLAN 3:IP 192.168.2.1 255.255.255.0 192.168.2.254VLAN 4 IP 192.168.3.1 255.255.255.0 192.168.3.254Each VLAN can communicate with each other.Now add 1 Cisco r

Calculate the bandwidth of the backboard of a Cisco switch. It is the maximum amount of data that can be transferred between the vswitch interface processor, interface card, and data bus. The higher the bandwidth of the backboard of A vswitch, the stronger the ability to process data, but the design cost will also rise. Www.2cto.com but how can we check whether the bandwidth of A vswitch is sufficient? Obvi

Tags: instance blank color 5.0 Ted Add dot1q message htmlTest topologyEnvironment: DHCP server and client are in different network segmentsConfiguration of DHCP serverNo IP routing IP dhcp pool vlan27 172.28.27.0 255.255.255.0 172.28.27.254 172.28.28.15 172.28.28.16 172.28.28.254 configuration of the L3-switchinterface Vlan27 IP DHCP relay information trusted172.28.27.254 255.255.255.0 IP helper-address 172.28.28.253 Access

Microsoft's Windows Server 2012 has been able to support LACP link aggregation, due to the use of link aggregation can achieve line redundancy and bandwidth increase, here I used a Cisco 2960 to do a test for interested friends reference.Experiment Preparation:Cisco switch 29,601, install server 2012 servers, there are two Gigabit network card, network cable two root.Steps:1.

Simply record that a Cisco router is simulated as a frame relay switch, and the router must have a serial interface module. Liehuo.net // Enable Frame Relay switching on the vroFRSW (config) # frame-relay switching strong-fire-network // Enter the Interface Configuration ModeFRSW (config) # int serial 0/1 Veryhuo.com // Delete the interface IP AddressFRSW (

can terminate this process.Test the Ethernet Channel ConfigurationThe next step is to test the Ethernet channel, which is bound with the switch port to provide more Ethernet connections. If one channel fails, the Ethernet channel usually provides redundancy. This process uses the port aggregation protocol PAgP), which takes about 15 seconds.Trunk configuration test wired and wireless networksNext, the

[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. Performs DHCP relay for layer-3 switches so that VLAN10 and VLAN20 members can obtain IP a

After the FLASH space is insufficient, I specially query the hardware configuration of the 6509 core device. The default Flash of the 6509 standard configuration is 64 MB, and the standard IOS size is 32.1 MB, the IOS 12.2 (17a) SX version to be upgraded has a size of 40.6 MB. In this case, it seems that the space is insufficient. However, this problem is well solved. The original IOS in Flash is deleted an

Cisco switch Product Name Description Catalyst nn xx [-C] [-M] [-A/-EN] NN is the serial number of the switch XX for A fixed configuration switch is the number of ports, for A modular switch, the number of slots C indicates that t

The company has several switches need to initialize the configuration, here the process, for you to reference. This initialization process only tests the Cisco 2960 and 3550 Series switches, and the method is available. Thank you for the help in the test the little man Tang was flying. One: Know the switch privileged password in case If you know the privileged

Cisco switch in the VLAN how to add multiple ports at a time, this is usually used in the process of our configuration, because if one of the add port, the workload will be very large, so need to add multiple ports at once, the following by the small set of specific operations to introduce 1, first through the Consolo port or telnet to connect the

-config_i:configuredfromconsoleby consoler1#r1#configureterminalenterconfigurationcommands,oneperline.endwith cntl/z.############ #开启dhcp server function R1 (config) #service dhcpr1 (config) #ip dhcppool NBSP;R123R1 (dhcp-config) #network 123.1.1.0255.255.255.0############ #将客户端的网关指向 dhcp server interface IPR1 (dhcp-config) #default-router123.1.1.1############ #将客户端的DNS指向 dhcpserver Interface IPR1 (dhcp-config) #dns-server123.1.1.1############ #设置租期为1天0时1分R1 (dhcp-config) #lease 1 01###########

switch forgot password, no relationship, restore to factory settings, restarted. Switch on and hold down the switch's mode button. Go to switch: Input Flash_init Del Flash:config.txt Del Vlan.dat Boot Go to the following interface and reconfigure the switch password!5 07:57:03.491:%lineproto-5-updo

A typical case of cisco VLAN configuration has seen some exchanges on the Internet. The vlan configuration is vague. I want to help my siblings by sorting out the information. Two switches and two Router Vlan test devices: two switches, two 2950 routers, and one 2620 test equipment. Two switches are required. Switch1 a

Cisco switches enable port speed limiting As shown in, Node switch 3550 is placed in an office room. The networks of all office companies are from this place. How does the operator configure network bandwidth settings for each company on this device? Let's take the IT Training Center of XX foreign companies as an example. The IT Training Center of XX foreign companies applied for a 2 m link. Step-1 Rongxi

protected] bonding] # ethtool EM2Settings for EM2:Supported ports: [TP]Supported link modes: 10 BaseT/half 10 BaseT/full100 Baset/half 100 Baset/full1000 Baset/fullSupports auto-negotiation: YesAdvertised link modes: 10 BaseT/half 10 BaseT/full100 Baset/half 100 Baset/full1000 Baset/fullAdvertised pause frame use: NoAdvertised auto-negotiation: YesSpeed: 1000 MB/SDuplex: fullPort: Twisted PairPhyad: 1Transceiver: InternalAuto-negotiation: OnMDI-X: UnknownSupports wake-on: GWake-on: dLink detect