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LSA notification Router#show IP OSPF database asbr-summary display ASBR Rollup LSA notification Router#show IP OSPF database external 10.83.10.0 Display Autonomous System external LSA notification Router#show IP OSPF database nssa-external display NSSA external LSA notification Three 1.router (config) #
Configuration mode for Cisco routers Configuration mode Prompt Enter command Description User mode Route> User mode is the default mode when the router starts, provides limited access to the router, allows for non-destructive operations such as viewing the
primary Router does not send this information packet for a period of time, other backup routers will think that the router is broken, and the backup router with a high weight will take over the virtual MAC address and IP address, responsible for data transmission. Once the primary router returns to normal, it will aut
For wireless networks, we always focus on the routing configuration. So here we will summarize the detailed description of the wireless router configuration. Before configuring a wireless router to configure a wireless router, you must connect C to the wireless
. This information is stored in the FLASH of the router, unless you delete this information yourself, otherwise, the route information remains in the static database. Example 1: the router sends data packets sent to the 0800. cb00.45e9 address from the interface ethernet0. Quidway (config) # bridge address 0800. cb00.45e9 forward ethernet 0 Example 2: delete the route information with the MAC address 0800.
cannot be used directly on the ATM interface or Dialer port; Detailed Configuration Note: During the test, the Headquarters router R3640 is directly connected to AR4640 through the Ethernet port E2/0. AR1830 Branch) Configuration: discur# sysnameRouter# ikelocal-namefenbu # dialer-rule1ippermit# ikepeerzongbuexchange-modeaggressive pre-shared-keyfenbu
can run normally. However, it makes sense to rename a vro and uniquely identify it. Example: Router (config) # hostname Router-Branch-23 In addition, you can configure a domain name on the router so that it knows which DNS domain it is in. Example: Router-Branch-23 (config) # ip domain name TechRepublic.com 3. Set a p
announcementRouter # show ip ospf database asbr-summary Display ASBR summary LSA announcementRouter # show ip ospf database external 10.83.10.0 displays the external LSA announcement of the Autonomous SystemRouter # show ip ospf database nssa-external show NSSA external LSA announcementIII,1. router (config) # configure the ospf process id for router ospf 102. router
I. Lab Objectives Master the configuration of Integrated routes; View the routes generated by route redistribution; Familiar with Wan cable connection methods; Ii. Lab background Assume that a company connects to the egress router R1 through a layer-3 switch, and router R1 is connected to another router R2. Layer
# interfaceDialer1 link-protocolppp mtu1450 ipaddressppp-negotiate dialerusertest dialer-group1dialerbundle1natoutbound3000 # interfaceEthernet1/0 ipaddress202.150.1.31255.255.255.0 qoscarinboundacl3001cir100000000cbs100000000ebs0greenremark-prec-pass5redremark-prec-pass5qoscarinboundacl3002cir100000000cbs100000000ebs0greenremark-prec-pass3redremark-prec-pass3# interfaceAtm2/0pvc4/33 mapbridgeVirtual-Ethernet1 qosreserved-bandwidthpct100 qosapplypolicypolicy1outboundqoscaroutboundacl3003cir16
CISCO PT Simulation Experiment (13) router RIP dynamic routing configurationExperimental Purpose :The configuration method of mastering RIP Dynamic route selection protocolMastering RIP routing descriptions in routing tablesFamiliar with the principle and process of Routing and Packet forwardingExperimental Background : The company is connected to the export route
principle, using a Udpecho request instead of a ICMPECHO request to initiate an attack. While cyber security experts are focused on developing devices that block Dos attacks, they have little effect because Dos attacks exploit the weaknesses of the TCP protocol itself. Properly configured routers can effectively prevent Dos attacks. In Cisco routers, for example, the iOS software in Cisco routers has many features that prevent Dos attacks, securing the rout
For general users, it is helpful to know some knowledge about Huawei router configuration instances and ensure our network security. Next we will configure instances for Huawei routers, to explain the main configuration statements. Configuration Description: use four PCs, the Huawei
. Therefore, the router must set the destination and source MAC address in the frame header. The target MAC address is D, that is, the address of host 2, and the source MAC address is C, that is, the interface sent by the router. It may be strange that how does a router know other network conditions and improve its route table? Of course, the route table cannot b
# show interface; view port informationSwitch # show int f0/0; view the specified port information 2. commands supported by routers:Vro display command: Router # show run; displays configuration informationRouter # show interface; display interface informationRouter # show ip route; displays route informationRouter # show cdp nei; displays neighbor InformationRouter # reload; restart V
Fibre Line connections: For the first time installation, two cables are recommended. From the Cat LAN port to connect a network cable to the router intrnet port, and then use another network cable from the router LAN port to connect to the computer. If only a line, you can connect the computer and the router, configure the
Router Router Boot mode configuration Router (config) #boot system flash [iOS filename]//boot from flash Router (config) #boot system fttp [TFTP address] [iOS filename]//boot from TFTP Router (config) #boot syste rom//boot fro
As a port device connecting WAN, vrouters have been widely used. Their main function is to connect multiple independent networks or subnets to achieve optimal routing and datagram transmission between the Internet. This article takes the Cisco 2511 vro as an example to introduce four router configuration methods. 1. Use the Cisco router master port OSOLE to conne
Router configuration requirements: Enterprise internal computer usageDHCPTo obtain the IP address. Set the DHCP address to 192.168.1.0/24. Set the default gateway to 192.168.1.1, the domain name to ewao.cn, And the DNS service to 61.128.114.20.the IP address is valid for 2 days. The router configuration is as follows:
Basic Frame Relay Configuration: Target: Basic Frame Relay Configuration Lab device: Router with serial port) 2 V.35 cable DTE/DCE) 1 pair Tutorial principle: The frame relay standard can be configured and managed permanent virtual circuit PVC in the frame relay network) for addressing, and the frame relay permanent virtual circuit is identified by the data li
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