ccnp rst

ccnp rst

In the figure above, we started the re-release action on R2 . We "inject" the OSPF route into the RIP process, so that ARP packets are detected and released directly. For untrusted interfaces, ARP packet after receiving back checks only legitimate ARP packets can not be released, if the emergence of illegal ARP packets, it will be log , while discarding. Neighbor 10.1.23.3 remote-as 300 100 100 i The frame structure formed by the MAC sublayer is mentioned in the introduction above , including IEEE802.3 frames and ETHERNET_II frames. In this way, whether the method of re-publishing the static summary route or the method of distributing the list filtering route can ensure that the network is not interrupted in the event of a network failure, as follows: Provide a better next hop address. If it is 0.0.0.0 , it means the way to publish this route. Note that if you attempt this time SW2 on F0 / 2 interface priority piecemeal,ccnp rst, and it is useless, because the port is looking at the sender ID . So if on SW1 , the port priority of F0/2 is reduced. Then on SW2 , F0/2 will win as the root port. 5.5.5.5 ( metric 2 ) from 5.5.5.5 (5.5.5.5) Frames with a type field of 8137 represent IPX and SPX transport protocol frames. The result found can be understood as a pointer to find the associated outbound interface: RIP is re-released into OSPF BVI Bridge-Group Virtual Interface 100 i Virtual-PPP Virtual PPP interface SW1(config)# interface fast0/23 Total MAC Addresses 0 DHCP relay Next Hop Redistribute local direct connection network segment into BGP , MED value is 0 ; redistribute local static route into BGP , MED value is 0 *time* Nov 05 2011 07:52 PM Passive-interface Fa0/0 neighbour xxxxxx Switch, the switch also forwards it with an updated message to all attached LANs for which it is the designated switch. 100 When ISP1 is down, the interface of GW connected to ISP1 is DOWN , and the traffic of PC access 100 is automatically switched to ISP2. 10.1.25.2 Define multiple serial numbers under route-map . The serial number has a priority order when performing matching actions. Network 172.16.11.0 mask 255.255.255.0 Show run int | include bia can see all the MAC , the first MAC will be used by the spanning tree, which is the CPU 's MAC . Next is the MAC of each Ethernet interface . Rl , R2 formed between the EBGP neighbor relation (using respective LOOPBACK port) at the same time, Rl in the BGP process network 1.1.1.0 mask 255.255.255.0 incorporated 1.1.1.0 Network Commands Switch(config-if)# switchport mode host FastEthernet1/0 The next hop of 1.1.1.0/24 , because the AD value of OSPF is better than RIP . Ip nat inside source route-map nat4 interface serial0/0 overload Ethernet frame format Interface fa1/0 Set community no-advertise route-map test permit 20 Ip dhcp snooping binding mac-address vlan vlan-id ip-address interface interface-id expiry seconds 5.5.5.5 Ip address 10.1.34.4 255.255.255.0 R5 will receive BGP routes for the 10.0 network from R4 and R3 at the same time . R5 will first prefer R3 because the route that R4 passes to R5 keeps NEXT_HOP and is still R1 . Therefore , the next hop of this route from R4 on R5 . Unreachable, R5 is preferred to R4 by modifying the next hop to itself after R4 modification . 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 BGP routing table entry for 172.16.0.0/16, version 3 As we R3 on the RIP routes injected into OSPF marked the Tag 1111 , then the next Network 172.16.10.0 mask 255.255.255.0 200 The introduction of Cluster is to provide redundancy in the environment of RR . In conventional clustering design, a plurality of RR is used for one or more client service, these RR are configured the same CLUSTER_IDs , the ID is the 4 -byte IP form identifier default is RR own BGProuterID If two RRs have the same CLUSTER_ID , then they belong to the same cluster. Another very important role of CLUSTER_ID is anti-ring. When a RR receives BGP routing updates, it carries the same ROUTERID as its own .