ccnp r&s books pdf

ccnp r&s books pdf

Dynamic Host Configuration Protocol neighbor RC-ip the EBGP Multihop- 2 // jump between them number 2 Length : indicates the full length of the BGP packet, including the header. Basic VLAN communication principle ? Configure static routes by using the associated outbound interface. 100 i Single match includes a plurality of conditional statements, logical or operation; multiple match when the statement, using the logic and operation. As shown above, R1 , R2 , and R3 run RIP . In the initial situation, R2 will update its routing table to R1 , which assumes that there are three routes 1.0 , Same interface mode ( access , trunk ) The IEEE802.3 frame can be divided into the following categories according to the values ​​of the DSAP and SSAP fields: CLUSTER_LIST is a string passed the route the route reflector cluster ( Cluster ) of the ID , the AS each route in the cluster has a reflection 32bit Access-list 2 permit 172.16.20.0 route-map BGP2OSPF permit 10 100 The secondary VLAN is mapped to the SVI interface of the primary VLAN , allowing for Layer 3 switching of pVLAN ingress traffic. If the MED of the received or generated route is empty , set the MED to 0 when advertising to the IBGP Peer . SW1 and SW2 are configured as VTP mode client ; SW3 is configured as VTP mode Server 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 . 200 i EBGP load balancing is verified. Only when the routes originate from different EBGP neighbors in the same AS and meet the equivalent load balancing, you can configure the maximum-paths x to implement load balancing. For example , the configuration is based on different ASs . The command is also invalid Set community no-advertise route-map test permit 20 Activate Port-Security (on the trunk interface) basic configuration If you configure the following, then the COST comparison will exceed the weight and become the most preferred comparison rule. Configure native VTP mode Use set excommunity cost x to set in route-map The election of the Root Bridge will not be said. Hardware address Message interaction process Redistribute external routes into the IGP to ensure IGP synchronization with BGP . However, the drawback of this method is that if a large number of routes are obtained from BGP , it is a considerable burden for the IGP . 1 AS_SEQUENCE exactly the same,ccnp r&s books pdf, except that the list of AS numbers belong to the local Federation AS Hostname R5 Metric LocPrf Weight Configure static routes by using the associated outbound interface. When ISP1 is down, and the GW does not detect it (that is , the interface of GW connected to ISP1 is not DOWN ), the traffic of PC access 100 is still thrown to ISP1 , which is disconnected. 100 Complete basic configuration 2 Use as-path access-list to match routes Learn Ip address 10.1.45.4 255.255.255.0 Dynamic Host Configuration Protocol 200 i Aa:nn additive internet local-AS Experiment 2 Match ip next-hop matches the next hop address to those allowed in a particular access list If the interface is configured as a host interface Encapsulation protocol Network 4.4.4.4 0.0.0.0 area 0 description We restore the experimental environment to the basic configuration: BGP neighbor relationships are as follows The configuration of R2 is similar to the above. The key is to look at the configuration of R3 : BGP introducing and transmission routes RIPng Ip route 1.1.1.0 255.255.255.0 serial 0/0 + Ip route 2.2.2.0 255.255.255.0 192.168.123.2 None Based on UDP protocol ports 67 and 68 Avoiding ARP and its vulnerabilities through specific mechanisms in IPv6 Port Vlans in spanning tree forwarding state and not pruned [Start fast exchange] Ip route 172.16.3.0 255.255.255.0 172.16.12.3 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. Interface f0/2 This port type defined by RSTP is very similar to Portfast . Because these interfaces are used to connect to the host, loops are generally not generated. These ports can skip the LST or LRN to directly transition to the forwarding state. And when these interfaces are up , they will not cause topology changes. In addition, once the edge port receives the BPDU , it immediately loses the feature of the edge port and becomes a normal spanning-tree interface.