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Upgrade object: WS-C3750-24TS-E Ingredients: Cisco TFTP server, one cable (connecting hosts and switches), my ThinkPad Local Area Connection: 2.2.2.1 3750-vlan 1:2.2.2.2 Telnet to the switch for configuration 1. Setting up a TFTP server Close other network connections on the host to ensure that the TFTP server address is a locally attached IP (2.2.2.1). Copy th
Switch configuration command base user mode hostname#; Switch Configuration Command Basics User mode hostname#; Privileged mode hostname (config) #; Global configuration mode hostname (CONFIG-IF) #; Switch Password settings: Switch Basic configuration Includes VLAN
Cisco Catalyst 6500 Series Switch Denial of Service Vulnerability (CVE-2015-0771)Cisco Catalyst 6500 Series Switch Denial of Service Vulnerability (CVE-2015-0771) Release date:Updated on:Affected Systems: Cisco catalytic 6500 Description: Bugtraq id: 75063CVE (CAN) ID:
1. Unplug the power cord of the vswitch, press the switch Mode button, and re-plug the power cord of the vswitch. Release the Mode button after the LEDs on Port 1x are off. 2. For the Catalyst 2940/2950 L series: Unplug the power cord of the switch, hold down the Mode button of the switch, and re-plug the power cord of the sw
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}
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
The IT Certification Examination Resources Network has collected a number of training materials for Cisco agents, including answers to pre-sales questions concerning routers, switches, IP/TV, firewalls, VPNs, network management, HFCs, VOIP, and equipment procurement., it can also be used as an entry-level document.12. Question: Which switches Does Cisco currently support layer-3 switching?Answer: Catalyst 2
We have explained a lot about the configurations of CISCO switches. Here we will mainly explain the port security configurations of CISCO 3550 switches. Scenario: There is a CISCO3550 switch in a certain unit. For the sake of network security, the security requirements for some ports are high, that is, only the specified host can be connected, for example, if you
current port, so as to prove that our subsequent operations are valid. (3) Close the port, configure it as the access port, and execute the command to configure Port Security Port security is implemented through the switchport-security command. This is a core command, supplemented by other related commands, we can implement port security settings. Because most of the default settings are used, the function of this example is to allow only one specified MAC address to pass through Port 3 and d
Ideas--Privileged password settings--vlan1 ip--configuration gateway--Remote login password settingsSwitch>enable Entering privileged modeSwitch#config Terminal into global modeSwitch (config) #hostname WR1 to change the name of the device for easy configuration laterWR1 (config) #enable password 123 configuration password 123WR1 (config) #interface vlan 1 into vlan1 configurationWR1 (config-if) #ip address 10.0.0.1 255.255.255.0WR1 (config-if) #no S
Hostname Public-wanLogging Buffered 65536Service Timestamps Debug datetime localtimeService Timestamps log datetime localtimeService Password-encryptionNo IP domain-lookupVTP mode TransparentEnable Secret publicerrdisable recovery Cause Pagp-flaperrdisable recovery Cause Link-flaperrdisable recovery cause loopbackerrdisable recovery Cause Bpduguarderrdisable recovery interval 30Port-channel load-balance Src-dst-ipVLAN 8Interface Vlan1ShutdownInterface VLAN
For complete syntax and application information about this chapter, seeCatalyst 3550 Multilayer Switch Command ReferenceAnd Cisco IOS Interface Command Reference For Release 12.1. Understanding Interface Types This section describes different interface types and some reference content for configuring these interfaces in detail in other sections. Other sections describe the configuration process of physi
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 Switch configurati
Experimental requirements: Use Telnet login to complete the initialization configuration of a switchTopology diagram1. Enter the command line of the switch2. Enter enable into privileged mode3. Enter configure terminal into global mode4. Enter hostname Ruan Change host name to Ruan (here the hostname is just as good as you remember)5. Enter enable password 1314 to set the plaintext management password to 13146. Enter enable secret 520 to set the encryption management password to 520 (note here t
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 and then uploaded. So enter the command: Router # delete sup-bootflash: s72033-pk9sv-mz.122-
/wyfs02/M01/49/DB/wKiom1QcVW7wI7i-AAKbr7EIjMg652.jpg "title=" s5.png "alt=" Wkiom1qcvw7wi7i-aakbr7eijmg652.jpg "/>[[email protected] ~]# kill 16416[Email protected] ~]#/usr/local/nagios/bin/nagios-d/usr/local/nagios/etc/nagios.cfg8. Visit the Nagios monitoring page650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/49/DC/wKiom1QcVkKA2ZG_AAD70JysoaA241.jpg "title=" s6.png "alt=" Wkiom1qcvkka2zg_aad70jysoaa241.jpg "/>Tip/var/tmp have a temporary file, the temporary files under the/var/tmp/a
Detection Medium-graphics Group: Switches Host: Switch IP Graphics: GIGABITETHERNET1/0/1 As shown in the following figure At this point, the ZABBIX Monitor switch setup is complete. Note: Cisco switch CPU
-graphics Group: Switches Host: Switch IP Graphics: GIGABITETHERNET1/0/1 As shown in the following figure At this point, the ZABBIX Monitor switch setup is complete. Note: Cisco switch CPU and Memory monitor OID value CPU load (percent) enterprises.9.2.1.56.0 in 5 s
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