ccnp switch practice labs pdf

ccnp switch practice labs pdf

Only when the update message is sent to another AS when, the BGP router before its AS number append AS_PATH in. This sentence also implies another meaning, that is, if you want to modify the AS_PATH attribute, you must execute the policy on the AS border router. External route tag When the interface is up/down , all dynamically learned MAC address entries will be cleared. The statically configured secure address entries remain. Neighbor 4.4.4.4 route-map LP out 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 , Bgp confederation identifier 345 neighbor 4.4.4.4 remote-as 64512 The mapped ethernet vlan will be blocked Maximum frame: 1518+4=1522 The length is 2 bytes,ccnp switch practice labs pdf, indicating the frame type. When the value is 0x8100 , it indicates an 802.1Q Tag frame. If a device that does not support 802.1Q receives such a frame, it will discard it. First of all, the route-map is a very important tool, and it is used in a wide range. When defining a route-map , we use the route-map keyword to associate a custom parameter, such as test . A route-map list by the test string unified representation, you may be in one route-map define a plurality of sequences, a sequence number to a decimal representation, such as the figure above, 10 , // There are routes in the routing table of R3 : 1.1.1.0 , 2.2.2.0 , 192.168.12.0 Each cluster has a unique cluster ID Set interface specifies how to send such a packet set ip default next-hop specifies the next hop to be forwarded set ip next-hop specifies the next hop to forward TCP / IP Volume II of this note contains TCPIP Routing Volume BGP almost all the content parts, and a detailed expansion Y What are the components of CEF : 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 RouterID : 172.16.13.1 In this case R1 on to R4 used strategy, 10.0 route AS_PATH insert 100 of AS number, while the results for the R4 over (64514) 100 100 , on the other side of R3 over 300 200 is 100 , R5 still preferably R4 , as ( 64512) Does not participate in the AS_PATH length calculation. ! Router(config-router)# Match ip address 2 set metric 3 Based on CEF 3.3.3.3 LocPrf About sticky secure address On R3 : Path Windows system), at the same time reply a Gratuitous ARP response to inform the peer that there is a duplicate IP address. Introduction and delivery of BGP routes 6 Ip as-path access-list 1 permit _1$ Complete the basic configuration 100 The data is two-way. When considering traffic, pay attention to the round trip of traffic. Figure 2 R1 and R3 are the same AS , and the route of the 13 network segment is updated to R2 at the same time . The experimental effect is also in accordance with the rule description. If it is in the IBGP environment, that is, R1 , R2 , and R3 are all in one AS , then the rule Rules do not apply Select the route with the smallest neighbor IP address ( the address of the neighbor in the neighbor configuration of BGP , that is, the update source IP of the neighbor ) Both A and Root enter the Listening state on both ends of Link1 , and A will receive the BPDU sent by Root . R1 and R2 run OSPF , and announce the direct connection network and their respective LOOPBACK interfaces. R1 LO1 is 1.1.1.1 and R2 LO1 is 2.2.2.2. A frame whose type field is 0806 represents an ARP protocol frame. Router ospf 100 Router bgp 12 Weight Update it; however, it does not send its secondary address 11.0.0.0 segment from fast0/0 to R1 (unless the split horizon is turned off). There are 1.1.1.0 , 2.2.2.0 routes on R1 . PAgP mode: 13 Private-vlan ioslate (64513) 200 i The members in the VLAN are mostly based on the port assignment of the switch . The division of the VLAN is the interface division of the switch. The summary of the route is actually done by the operation of the subnet mask. For the following example: Network consolidation (same protocol or different protocols) The GW configuration is as follows: Bgp confederation identifier 345 bgp confederation peers 64512 neighbor 4.4.4.4 remote-as 64512 We know that there are several ways to form a secure address entry, one of which is manually configured using the switchport port-security mac , but this method is time consuming and laborious, and it is necessary to copy the MAC on the PC , and the work cost is relatively high. . Another way to form a secure address is to have the switch use dynamically learned MACs . However, these secure addresses will be lost once the interface is up/down , let alone rebooting the device. Therefore, you can use the sticky mac . After this method is activated, the switch will “stick” the dynamically learned MAC . The specific action is very simple. After dynamically learning the MAC (for example, a 00b0.1111.