ccnp switch 300-115 quick reference

ccnp switch 300-115 quick reference

100 100 i Debug dhcp detail Ip dhcp relay information trusted Let's take a look at R4. The Permit/deny keyword has a different role in different deployment scenarios. Working Mechanism 2 : Clear text verification; 100 i ... Cisco Express Forwarding 100 ( If MED is empty ,ccnp switch 300-115 quick reference, it is set to 0) Neighbor 5.5.5.5 update-source Loopback0 no auto-summary * 11.11.11.0/24 0.0.0.0 As the next hop to 100.0.1.0 and 2.0 . In the R4 on ? The BGP router appends its AS number to the AS_PATH only when the update message is sent to another AS ( EBGP peer ) . 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, and the policy of modifying the AS_PATH for the IBGP neighbor is invalid. *>i Ip prefix-list 100 permit 100.100.100.0/24 route-map COST1 permit 10 Switch, the switch also forwards it with an updated message to all attached LANs for which it is the designated switch. Neighbor 10.1.23.2 remote-as 200 *> 11.11.11.0/24 mark In TCP/IP , the encapsulation format of Ethernet IP data packets is defined by RFC 894 , and the IP data packet encapsulation of IEEE 802.3 network is encapsulated by RFC. Peer using Route-map in the case of ) : O IA C After the DAI is enabled, if the downlink PC sends a large number of invalid ARPs in a period of time , it may cause a large loss of switch performance, that is, When a data frame is sent from a trunk port, the frame is sent directly. Note that the data exchange process is different for different products. The above process is the result of testing on the CISCO device (server). AS_CONFED_SET A list of unordered AS numbers on a path to a specific destination , using the method with AS_SET Redistribution will only perform re-release actions on routes in the routing table. Summary Vlans allowed on trunk SW2 realizes that there is a relay information option in the DHCP message, which is option82 , but giaddr is all 0s . Although SW2 realized this problem, he still gave this data to the DHCPserver through the debug information on the DHCPserver : Switch(config-if)# no shutdown Network Port-Security supports activation on the trunk configured as follows The problem that the static route associated with the outgoing interface is re-released. Limit of inhibition: 2000 Ip dhcp snooping Interface vlan 10 The above match statement is used to match the neighbor IP that sent the summary route . If you specify a copy attributes option, is inject the specific routes will inherit the path attribute of the aggregated route, or breakdown will be as locally generated routes. Each message contains a BGP message header. The header of the BGP message is as follows: BGP table on R7 : 3.3.3.3 Neighbor 3.3.3.3 remote-as 345 Distribute-list 62 ! ? On the untrust interface, create a security entry by manually configuring ARP ACLs on B. Of course, you can isolate the two switches in three layers, for example, add a router. In AS inside, due to the presence IBGP split horizon, making BGProuter had twenty-two established between IBGP connection, in order to get the full BGP routing updates, but this is a very low scalability approach, but also brought to the network device The two effective ways to solve the IBGP scalability problem are route reflectors and federation. Compared with the federation, the route reflector has the advantage that all routers in the federation need to support and understand the federated mechanism. The route reflector only needs the RR to understand the reflector mechanism. In addition, the implementation mechanism of the route reflector is relatively simple. Of course, if you want to manage large-scale AS with various EBGP mechanisms , then the federation will be a better solution.