Cisco switch initialization ManagementTo properly manage and simplify troubleshooting, the following parameters should be configured during initial installation: 1. system name 2. manage ip configuration 3. clock and ntp settings 4. telnet and SSH access configuration 5. DNS6. system log 7. snmp is used to configure the switch system name on the
Pen name is also large, commonly known as the small gameRecently work has become a little different, received their own network engineers exam is almost 2 doors are nearly point on the heart has a lot of depressed and lost, may be doomed to let me have a good reflection on it, for this today self-study review of the past Cisco Cisco Simple Foundation.Cisco commands and H3C are far apart, recalling that
Lab Environment:650) this.width=650; "alt=" Cisco Packet Tracer three-layer switch interrupt Dhcp-ibm.chick-mingkang.zhou "src=" http://img0.ph.126.net/4fx 93s0ahtpaead19pxmyg==/6619563575538146055.jpg "style=" border:0px;height:auto;margin:0px 10px 0px 0px; "/>Experimental Purpose:1, the VLAN is divided on the three layer switching: vlan10\vlan100\vlan200, and the IP is specified as: 192.168.10.254\ 192.16
Cisco switch Security Lecture Hall: cracking the shock wave virus and the red code, understanding the basic virus principles, and providing a good awareness of cisco switch security. Simple security measures will also receive attention. In today's online world, security is crucial.
As the Internet has brought huge bene
In a Cisco switch, how does one configure QOS speed limit? How to restrict BT download? This blog will use detailed examples for your explanation.
Instance 1: QOS speed limit problem on CISCO switches
It is used to control the bandwidth of a leased line user on a vswitch. The vswitch is usually at 10/100/1000 or three rates. QOS is required for other rates. You c
There was just one Cisco 2960 switch that failed this afternoon, replacing an alternate switch immediately, but the backup switch was transferred back from another branch and the password was forgotten. Just use the recovery password process, also share it.1. Set the Windows HyperTerminal, name customization. Recommend
In Cisco networks, there are four main types of interfaces in the final stable state of a switch in a LAN: Access/trunk/multi/dot1q-tunnel.1, Access: Mainly used to access terminal equipment, such as PC, server, print server and so on.2, Trunk: Mainly used to connect other switches, in order to host multiple VLANs on the line.3. Multi: Hosts multiple VLANs in one line, but unlike trunks, it does not label t
Tags: Cisco switchBasic configuration and management of switches• Technical Principles• The switch is managed in two basic ways: in-band management and out-of-band management.• The console port management switch through the switch is out-of-band management, which does not occupy the network port of the
-11.binBut Cisco low-endSwitchRomm Mode (Cisco Low-endSwitchRomm mode prompt for switch:) No Confreg command, what to do? Without this command does not mean that it can not modify the serial port rate, using the following command: (note case)Switch:set BAUD 115200Switch:reset (restart)This is changed, but the Romm mode of the low-end
) #interface range F0/1-2 (check 1.2 port number)Switch (config-if-range) #switchport Access VLAN 3 (Connect 1.2 ports to VLAN3)Interface joins VLAN:Switch (config) #interface fastethernet 0/1 (enter Port 1th)Switch (config-if) #switchport Access VLAN 2 (Configure the 1th interface into vlan2)Trunk Trunk Link:Implement VLAN communication across switchesTrunk links can host multiple VLANsIdentity of the VLAN
A Dell machine with a network card of M is connected to a Cisco switch. The error err-disabled occurs because of link-flap, that is, the network card is up and down too frequently in a short time. This error is not returned when a vswitch interface is changed. The cause is unknown.
Link-flap description:
Link-flap Error
Link flap means that the interface continually goes up and down. the interface
with option 82 from the L2 switch and establish binding entries for the information . Of course, if you encounter the switch does not support IP DHCP snooping information option allow-untrusted command can have the following two solutions:① using the IP DHCP relay information trusted(in-VLAN) command within an int VLAN of an unsupported switch② on the access l
management domain named cisco and set it to VTP client. It will receive VTP configurations and updates from the VTP server.Note: by default, the Catalyst 5000 series switches are VTP servers.Cat5002> (enable)Cat5002> set vtp domain cisco mode clientTrunk ports)VLAN Trunk protocol (VTP) is transmitted only on the Trunk port (ISL, LANE, and 802.10) and should be transmitted on two Trunk st5000Which port is d
With the development of China's routing industry, we have also promoted the update and upgrade of the routing switch technology. Here we have introduced the IOS restoration method of the Cisco routing switch, and we have tried one method, after Flash is deleted, the system cannot be started. You can use X-Modem to restore it. At that time, I accidentally deleted
, 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.
4. Check the current stack status:
Show pla
Switches: Cisco2960, Cisco g3560xserver: 10.15.44.164 ac-*-2d-* -84-*pc:10.15.44.69Server 44.164→port 2-Cisco2960-port1→g3560x-port5Find this IP by IP address under the interface of that switchQuery the corresponding switch port via Mac, IP address1. Start running nbtstat–a IP query out MAC address650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/7C/ED/wKioL1bcv2eQDm6GAAAY8Id21zc609.png "title=" Qq
CISCO mds FC optical fiber switch configuration reference(1) There are several concepts that must be clarified (different from brocade ):(1) brocade divides zones directly. While mds divides zones under vsan, mds can divide several vsan first, and each vsan includes several zones.(2) brocase: the default port is open, while the default port of mds is closed.(3) mds has a Default zone: "The Default Zone ". i
Experimental topology
Router (config) #frame-relay switching to simulate a router as a Frame relay switch
Router (config) #inter S1/1
Router (config-if) #clock rate 128000
Router (config-if) #encapsulation Frame-relay Configuration Interface encapsulation and binding relay
The default Frame relay enabled on the interface is encapsulated in the Cisco package and, if connected to a non-
the ports of the corresponding vswitch as required in table 1. To verify our configuration, you can use the show vlan command in privileged mode to display the configuration you just made and check whether it is correct.
The above describes the VLAN configuration of the Cisco Catalyst 1900 switch. The VLAN configuration methods of other switches are similar. Refer to the relevant
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