ccnp route final lab exam

ccnp route final lab exam

Y OSPF redistributes routes to RIP : These modes generally only be on high-end Cisco device applications ,ccnp route final lab exam, such as 7200 series routers . Or 12,000 Series routers . Command : ip route-cache optimum show ip cache optimum BPDU There are two types: configuration BPDU and TCN If the DHCP discovery message sent by the client does not contain the client-identifier , the hardware address can be used to identify the terminal device. The configuration commands are as follows: ! ? ? If BGP routes are passed from EBGP peers Use the show spanning-tree inconsistentports command to view related entries. Type echo protocol ipIcmpEcho 10.1.1.2 source-ipaddr 10.1.1.1 frequency 10 Regular expressions can be used to match routes. Recognized as a self-determination attribute. LP is a local priority, only AS inside, in IBGP between peer transfer, and will not be passed to other EBGP neighbors 100 The destination IP address of the route , which can be the address of the natural network segment or the subnet address or OSPF re-advertises routes to IBGP Now we adjust weight values to influence R4 on about 100.0.1.0 and 2.0 routed such that R4 preferably R5 192.168.12.2/24 Through the above configuration, the BGP neighbor relationship can be established, let's show it: The configuration of R1 is as follows: 1.1.1.1 The smaller the MED, the higher the priority Neighbor 10.1.12.2 route-map test out Can not contain Y If an interface is in the flooding state, it will bring a lot of upadate and witdhdrawn messages to the network . Therefore, for a flipped interface, no bgp fast-external-fallover is recommended . After the interface is shut down, the BGP session and neighbor relationship will remain until After 10.1.31.0 is passed to R2 , since R2 takes the mask of the receiving interface and finds that 10.1.31.0 has a position of 1 in the host part , the subnet is stored in the routing table and treated as a host route. : 10.1.31.0/32 R3 and R4 , R4 and R5 establish IBGP neighbor relationships, and R3 R4 R5 uses LOOPBACK as the update source and refers to the neighbor . / / Mark the routing table 192.168.1.0 as the default network Preference , will trigger Notifacation message , causing session interruption; but can use IN on AS border router Hostname R5 ? Neighbor R3 filter-list 1 weight 4000 No synchronization no auto-summary Some IOS does not support the neighbor R3 filter-list 1 weight command. Ip mtu ? refers to the three-layer MTU . This value can be manually modified, but the maximum value must be less than the interface's Layer 2 MTU value, which is 1500 . This MTU refers to the total size of the three-layer IP packet. If the packet sent by the interface is larger than the ip mtu of this interface , the IP packet will be fragmented. Below, let's look at an example: 2 The secure address learned dynamically through voice vlan will not be converted to sticky mac address. Verification Experiment 2 Impact of CLUSTER_LIST in BGP Routing Knowledge review 0xFFFF Path control *Mar 4 07:02:23.473: DHCPD: relay information option exists, but giaddr is zero. | Strange phenomenon: In the BGP table of R5 , there are only two routes advertised by R2 , and the 100.0 route from R3 is not passed to R5 via R4 . In other words, we expect that AS345 will have redundancy to 100.0 network. Remaining path (through R1 , Sw(config-vlan)#private-vlan community Port ID Packets 200 i The smaller the RID of a BGP neighbor is, the higher the priority is. IP protocol number 88 Request specific routing information: When it is necessary to know the information of a specific route or some specific routes, the request message will be sent together with the routing entry of the specific address. The device that receives the request will process the entries one by one according to the request message and form a response message. Interface fast0/1 Static Tunnel Tunnel interface switchport trunk encapsulation dot1q switchport mode trunk Redistribute ospf 1 route-map test The third column is empty or i . If it is empty, the route is obtained from the EBGP neighbor. The i indicates that this is the route learned from IBGP . The last column indicates the origin of the BGP routing information. 3.3.3.3 Detailed rules 86025 RIPv2 manual summary The following figure is the sender using the route-fresh message to push the prefix-list Router bgp 1234 Route tag 1111 Recognized attribute DAI working mechanism Due to the different port types, the switch processes the frames differently. The following is introduced according to different port types. 100 [123].[7-9] At the same time in the out direction, there is no problem. Router(config)# ip prefix-list {list-name [ seq number] { deny | permit } network/length [ ge ge-value ] [ le Neighbor 10.1.12.1 remote-as 100 5.5.5.5 Policy-list feature Show tcp bri Let's take a look at the role of these well-known values ​​of community : 30.30.44.45 /24 R1(config-route-map)# match ip address prefix-list list1 Note that the neighbor 1.1.1.1 filter-list x weight yyy command can be used multiple times for a neighbor, that is, set different weights for different routes . But the neighbor 1.1.1.1 filter-list 1 command, in the same neighbor in or out direction, can only be used once, these two commands are very different Turn on switch interfaces Port-Security will consume resources, Port-Security detects an incoming interface to each data frame to determine whether the flow method, or if there offenses. When a security interface settings violation to shutdown when the interface is in violation Network 192.168.254.0 0.0.0.255 area 1 100 i Network 100.0.1.0 mask 255.255.255.0 Complete basic IP , IGP configuration, establish BGP connection BGP policy When the RR reflects the route from the client to the non-customer, it also appends its cluster ID to the CLUSTER_LIST , and if the CLUSTER_LIST is empty, it creates one. If the route reflector finds that its local cluster ID appears in the CLUSTER_LIST of the route it received , then it knows that a loop has occurred and ignores the route. The CLUSTER_LIST attribute is only used for RR anti-rings.