ccna wireless dumps free download

ccna wireless dumps free download

In the Probe state, every unicast NS is sent every RetransTime ( r default 1S ) , and MAX_Unicast_Solicit is sent before waiting for RetransTimer . 0/0/0 !! Take the main class route Ipv6 router ospf 1 router-id 2.2.2.2 1 Configuration example Router(config-rtr)# poison-reverse LSP Seq Num LSP Checksum LSP Holdtime Offset-list 1 out 1 serial 0/0 Therefore, when CE1 accesses 2001:5555::5 from the source 2001:1111::1 , the data level is like this: Version Case: Double Exit NAT Of course, you don't need to use the IPv4-mapped function. The mechanism is very simple. We modify the configuration on R2 . The key configuration is as follows: Do the following configuration on R2 and test it ( all tested in no ip classless and closed ip cef environment ): At this time, R2ping 1.1.1.1 will pass (equivalent to 172.16.12.1 as the last hop help object) Ipv6 unicast-routing ipv6 cef !! ipv4 routing, so that the route can access the tunnel destination , which is 10.1.23.3 IPv4-Mapped NAT-PT OI 2001:23::/64 [110/128] Configure all interfaces as passive and manually activate specific interfaces: The following is the location of the TAG field in a Type 5 LSA packet : This is the general case, of course, there are two situations, it depends on the specific environment and the specific routing protocol. Image R2#sh isis neighbors detail S 172.16.3.0/24 [1/0] via 172.16.23.3 8 bits RIP length The result is unreasonable, because the message exceeds the MTU of the R2 Fa1/0 port when it is passed to R2 , so R2 sends back an ICMPv6 message with TYPE=2 ( packet too big ) to R1 . In this back to R1 in the ICMPv6 message includes the allowed the MTU = 1400 , to inform the The distribution list is deployed in a link state routing protocol such as OSPF . If the out direction is to be used, it can only be used in such a situation. Neighbor FE80::CE01:8FF:FED8:10 update-source FastEthernet0/0 !! ipv6 routing, all traffic to the IPv6 network is thrown into the tunnel 10.1.13.3 For example , the configuration of R3 is as follows: Tunnel destination 10.1.23.3 Ip default-network 172.16.3.0 By default, the RIP running on the CISCO router sends v1 and receives v1 v2 . If the display is declared as v1 ( use the version in the RIP process) IP prefix lookup IPv4 mtrie 8-8-8-8 optimized Input fast flags 0x0, Output fast flags 0x0 ifindex 3(3) 204 to sum up Ipv6 nat prefix 2001:2::/96 Difficult case A few notes: The MTU value found by IPv6 PMTUD is cached by the source node. With CISCO IOS , show ipv6 mtu can be used to display the destination PMTUD value of each cache. Image NDP Neighbor Discovery Protocol ( RFC2461 ) Complete the basic interface IP configuration . Add the following configuration on R2 : This address space plus the subnet ID can be assigned to the intranet users. In this experiment, our intranet users use stateless autoconfiguration to obtain the address. At this time,ccna wireless dumps free download, if there is a user under R1 to access the v6 network under R3 , then the destination address must be the 6to4 address space of R3 , and the data is up. !! ipv6 routing, all traffic to the IPv6 network is thrown into the tunnel Experimental example: Calling in the distribution list Ip route 172.16.3.0 255.255.255.0 172.16.12.3 This is a very typical scenario. GS_SW is an aggregation layer switch that runs OSPF with the core switch . The GS_SW needs to advertise the network segment corresponding to the VLAN to be hanged , so that the core switch can learn the relevant routes. Then, once GS_SW announces the network segment corresponding to these VLANs in the OSPF process , the corresponding SVI interface will flood the OSPF HELLO message to the VLAN , and these messages are actually redundant.