ccnp switch 300-115 ebook free download

ccnp switch 300-115 ebook free download

OSPFpassive-interface neither sends nor receives routing updates, nor does it send HELLO packets. Based on packet load balancing, all packets are rounded on the outgoing link. If you want to use message-based CEF load balancing, you need to configure this command on all outbound interfaces. The buddy experiment has verified that it can indeed be per-packet load balancing. Ip route 0.0.0.0 0.0.0.0 null0 router bgp x The above requirements can be achieved through the Port-Security function of the switch : BGP decision Must be zero Origin * >i11.11.11.0/24 Non- Route-map ( automatic ) mode : Load balancing mode 16 LEN : Number of bytes in the Agent Information field , excluding the length of the code and len fields You can use the show cef interface command to check which load balancing mode is used. This command gives the CEF information configured on this interface . Router(config)#ip dhcp pool [pool name] On // 100: 200 indicates that this is for the AS200 's BGP can use the route tag in the OSPF packet to carry the AS_PATH information when it traverses OSPF . In fact, CISCO 's BGP automatically completes the process (note that only the AS_PATH attribute is automatically entered into the OSPF TAG field ). ORIGINATOR_ID and CLUSTER_LIST are optional non-transfer attributes used by route reflectors to prevent loops. See the " ORIGINATOR_ID and CLUSTER_LIST " BGP Properties section of this document for details . Because ARP 's response does not need arp request is a prerequisite to send directly, so an attacker can construct arp reply message is sent to the target of attack, to refresh the attacker's arp table, to achieve the same arp deceitful purposes. Compatibility 37 A advertises the detailed route to B , B advertises the detailed route to C and D , and C advertises the summary route. At this time, the summary route will be transmitted to B in addition to being notified to D , and this may cause problems. Therefore, you need to filter the summary route on the IP distribution-list x of neighbor B on C. Otherwise,ccnp switch 300-115 ebook free download, a routing loop will occur. Network 5.5.5.5 0.0.0.0 area 0 Host 192.168.1.111 255.255.255.0 Interface loopback1 Route-map can be used in different commands for specific purposes 200 i Configuration Example 3 (at a single routing protocols -OSPF ) * 172.16.0.0/16 is variably subnetted, 4 subnets, 2 masks S* 172.16.0.0/16 [1/0] via 172.16.3.0 RIP-2 RIPv2 uses multicast update 10.1.13.1 *Mar 4 07:02:23.473: DHCPD: inconsistent relay information. The greater the weight , the more priority ! Spanning tree is used to solve this problem TYPE : 1-open ; 2-update ; 3-Notification ; 4-keepalive Core switch configuration: OSPF re-advertises routes to IBGP Matchlog keyword in this command and the log keyword in the permit or deny ARP access-list The router goes to update the route of 3.0.0.0 R2#show cef interface f0/0 FastEthernet0/0 is up (if_number 4) RIPv1 , v2 Configure no switchport ( routed port ) Layer 3 interface R2#show adjacency detail A VLAN divided into several separate VLAN , the VLAN use the same IP network segment. Community: inherits the community of all detailed routes , forming a list On S 172.16.0.0/16 [1/0] via 172.16.3.0 S 172.16.3.0/24 [1/0] via 172.16.23.3 OpenConfirm Network 192.168.10.0 0.0.0.255 area 1 Neighbor 10.1.12.2 advertise-map RP1 non-exist-map RP2 The configuration of R5 is as follows: Sw(config-if)#switchport private-vlan host-association 100 201 Fa0/20 Network topology and interconnection IP address planning as shown Origin file flash:CCIE.txt The configuration of R5 is as follows: 3.3.3.3 Set metric-type sets the metric type of the target routing protocol Edge port edge ports LLC. ( The Logical Link Control ) by the destination service access point DSAP ( Destination Service Access Point ), source service access point SSAP ( Source Service Access Point ) and MED attributes for routes published to the federation are retained throughout the federation At the same time, the same OSPF route is learned from both processes and is used on a first come, first served basis. Therefore, if R3 first learns the route from R1 , it will naturally ignore the one that R2 re-releases. However, if the neighbor relationship between R1 and R3 is already obtained in R3 neighbor to mean), BGP The network command, only the local routing loaded into BGP one way process. B is passed to its IBGP neighbor C (doing a reflector), then on C , the route NEXT_HOP is still the A router (update source IP ) 12:11 12:1111 no-export this comm list, to delete the no-export , then The role of the root bridge is preemptible Port ---- -------------------- [Experiment 1 ] There is a main class route; there is a default route, and the main class route is taken. * 192.168.34.3, from 192.168.3.1, 00:09:32 ago, via Serial0/1 Route metric is 20, traffic share count is 1 Dhcp-bindings permit —Logs DHCP-binding permitted packets. Router bgp 300 The mask of the destination address. VLAN IDs of the allowed VLANs when this port is in trunking mode add VLANs to the current list The AS_SEQUENCE attribute will be passed to R7 along with the route 11.11.11.0 , so the packet is captured on R7 . The attribute of AS_CONFED_SEQENCE is not visible in the route of 11.11.11.0 , so the external AS treats the federation as a single AS (outside I don't know the situation inside the federation) 200 Match community 1 SW3 is small), so the interface connected to SW2 on SW4 wins and becomes RP . Let's look at a simple case of a three-tier exchange deployment: Command Summary Interface vlan 10 200 MTU? Refers to the second floor of the MTU , which is the interface MTU , refers does not contain a two-story frame header, Payload of MTU , the MTU value is generally not manually modify the default is 1500 bytes. Thus CISCO router supports Layer 2 data frame is a maximum value 1500 of payload plus the floor layer 2 frame header and the FCS : Objective MAC . 6 bytes + source MAC . 6 bytes + type field of 2 bytes + the FCS . 4 bytes So the total is 1518 bytes.