ccnp route exam registration

ccnp route exam registration

If you do the following configuration on R2 : Y If an error occurs after receiving the open message, a Notification message is sent . If not The BGP configuration of R2 is as follows: Includes 7 -byte preamble (a string of 1 , 0 intervals for signal synchronization) and a 1 -byte frame start delimiter ( 10101011 ) 1.1.1.0 backdoor to solve the problem, once the route becomes a local route, the AD value becomes 200 , and the router does not go to its EBGP. 3 Route summary 23 Lease(sec) Type Distribute-list 1 in At the same time, the same OSPF route is learned from both processes and is used on a first come, first served basis. Therefore, if R3 first learns the route from R1 , it will naturally ignore the one that R2 re-releases. However, if the neighbor relationship between R1 and R3 is already obtained in R3 Configuration example FIG above, R1 to R2 update 1.1.1.0 , . 1 hop, when R1 DOWN off, and R3 to R2 update 1.1.1.0 is . 5 hopping, R2 up to R1 route will vary with invalid timer expires becomes pdown State, then enter the timer of the holddown timer OSPF TAG Overview PVLAN considerations In this step, we run the BGP protocol on the above basis to complete the establishment of basic BGP neighbor relationships: SW3#sh vtp status VTP Version capable VTP version running VTP Domain Name VTP Pruning Mode Ip community-list 1 permit no-export route-map test permit 10 Ip prefix-list 1 permit 100.0.1.0/24 route-map test permit 10 Next Hop That is to say, R5 goes to 100.0.1. and 2.0 each has two paths, which are through 10.1.25.2 and 3.3.3.3 ,ccnp route exam registration, and finally R5. R4 on the show ip bgp 172.16.0.0 Switchport mode access switchport port-security ? 10.1.23.2 from 10.1.23.2 (10.1.23.2) The DAI is deployed on the switch to ensure that legitimate ARP requests or responses are released and illegal ARP messages are discarded. The main actions of the switch after deploying DAI are as follows: 10 FastEthernet0/1 Access-list 1 deny 192.168.13.0 access-list 1 permit any Sh ip bgp neighbors {address} advertised-routes Trunk port processing frame process The default COST value of all ports on the switch will increase by 3000 , so that the port of the switch is not elected as the designated port. Rl , R2 , R3 using LOOPBACK neighbor relationship with the address of 1.1.1.1 , 2.2.2.2 , 3.3.3.3 , running OSPF such Fa0/22 desirable n-isl trunking 1 The AD value of 11.11.11.0/24 is adjusted to be larger than OSPF , for example 130 . So the configuration is as follows: 14 packets, 7640 bytes Etc., then there is a prioritization between these methods: network>redistribute>aggregate Note that this principle is not used as a BGP routing routing policy. basic configuration Ip route 100.0.0.0 255.0.0.0 null0 ? We know that the AD value of a static route is 1. The above configuration method actually changes the AD value of the static route to 10 . In this way, we have two default routes, one for the telecom exit, the AD value is the default 1 ; the other points to the education network exit, and the AD value is 10 . Then after RouterID : 172.16.13.1 1.1.1.0 backdoor to solve the problem, once the route becomes a local route, the AD value becomes 200 , and the router does not go to its EBGP. Display BGP tables, for example: ? Focus on the configuration of GW : The length of the AS_PATH is to influence the path selection. It is not recommended in the actual environment. Router bgp 123 If the aggregate-address does not contain any keywords, the details are also passed, and the summary route is also passed. Ip prefix-list 2 permit 100.0.2.0/24 route-map WT2 permit 10 A valid entry in the database matches these ARP packets. In 802.1q the native vlan is untagged, using Dot1q switches all unmarked frame is forwarded to the native vlan in the ISL on all data frames, including native vlan encapsulation, so if the package is not received The data frame will be discarded (the ISL does not have the concept of a native VLAN ). AS Hops 1 We restore the experimental environment to the basic configuration: BGP neighbor relationships are as follows 10.1.13.3 But there is a loop in the second floor environment. 100 *>i100.0.1.0/24 Because when actually deployed, SVI mouth may be more, go to if one of the no passive-interface to configure the amount may be relatively large, so you can choose to passive-interface defaut all interfaces of all passive off, and then a single interface to no passive -interface . Modified OSPF the AD value Where min ( holdtime ) is the minimum value of holdtime between two BGP neighbors. Switch(config-if)# switchport port-security Corresponding hwidb fast_if_number 4 Corresponding hwidb firstsw->if_number 4 Internet address is 10.1.12.2/24 Verify BGP routing rules and test BGP related policy tools. MsgSent Test purpose: VLAN information transfer 10.1.12.2 Each routing table entry must include at least the following three items: Ip policy route-map x Trunk configuration [Experiment 7 ] There are subnet routes (no match); there are default routes In the ORIGINATOR_ID , then it is known that a routing loop has occurred , so the route is ignored. Revoked route Ip community-list standard del permit no-export ip community-list standard del permit 100:11 Local Ip dhcp snooping vlan 10 Of course, you can also associate the route-map after re-issuing the command and set the tag in the route-map . RIP and OSPF re-release Neighbor 5.5.5.5 ebgp-multihop 3 Neighbor 10.1.12.2 advertise-map RP1 non-exist-map RP2 Hostname R5 Multicast capability Pay attention to the changes in our experimental environment. The community value carried in 12.12.12.0 is no-export , if we only want to match no-export // to ignore 1.0 of Router ospf1 1 Sw(config-vlan)#private-vlan community Configure BPDU is 0x00 and TCN BPDU is 0x80. Ip default-network 172.16.3.0 DHCP relay experiment Show ip bgp on R3 200 i Router bgp 12 RFC1723 defines several compatibility switches Ip arp inspection log-buffer entries number If R2 is added to the default route of R3 on the above basis, the data of the PC to the 10.1.13.0 network is still lost to R1 , which means that ip defaut-next-hop has higher priority than the default route. In the establish state, the status prompt is not displayed, and a number indicating PfxRcd is displayed , that is, the prefix entry received from the neighbor. At the same time, the two routes are marked in the BGP table: " *> ", indicating that the two routes are valid , and the best or optimal, best , so they will be passed to the IBGP neighbor of R3 . That is R4 Send TCP packet R1 , R2 running OSPF , R2 learned 1.1.1.0/24 the OSPF routing ( Metric to 65 ) in R2 on the BGP routing process in the network 1.1.1.0 mask 255.255.255.0 *Mar 1 00:11:47.887: ICMP: redirect rcvd from 192.168.123.1- for 2.2.2.2 use gw 192.168.123.2 Although the network devices are in the same subnet, they belong to different pVlans , and communication between pVlans must be implemented through the default gateway. The network already exists in the routing table. In the IGP , the network command is used to determine which interfaces to send and receive routing updates, and which directly connected networks. The greater the weight , the more priority Both SW1 and SW2 can learn, and three-year-olds can do it. PAgP is a Cisco propretary protocol LACP is IEEE 802.3ad standard 345 ; R3 has a federated IBGP neighbor R4 . Network 192.168.254.0 0.0.0.255 area 1 Ip route 0.0.0.0 0.0.0.0 192.168.123.1 Service dhcp * i 0 packets, 0 bytes switched through the prefix tmstats: external 0 packets, 0 bytes TCP/IP volume one When the interface is up/down , all dynamically learned MAC address entries will be cleared. The statically configured secure address entries remain. Router bgp 345 Fa0/20 1,10 The configured static network path is redistributed into OSPF . In this way, when the intranet user needs to access the Netcom resources, because of the details of the network access, go to OR1 . To access other resources, take the default route to OR2 . Router bgp 100 The standard ACL active part and destination part use the source matching route prefix and use the destination part matching route mask. As a result of the experiment, the PC could not get the address. R1 release A network routing, R3 will learn this OSPF routing; Additionally, R2 also learned, assuming R2 deploy OSPF to RIP routes redistributed, which eventually route R3 will pass RIP also learned, then R3 will At the same time , the route is learned from RIP and OSPF . R3 will optimize the OSPF route. Because OSPF has a small AD , OSPF re-releases it to RIP without causing a suboptimal path problem.