cisco ccna exam dumps

cisco ccna exam dumps

Netsh interface ipv6 add address 21 3ffe::1 unicast !! Assuming that the interface index number to be configured is 21 , this command configures an IPv6 unicast address for the interface . Neighbor FE80::CE01:8FF:FED8:10 activate //Get out a summary route instead of the default route !! The prefix of this IPv6 address will be advertised to the ISATAP host. LSPID Ipv6 address 2001::FFFE/64 no ipv6 nd suppress-ra 5 CDMA-Ix CDMA Ix interface The update is sent. At this time, both parties have their own routes, but 1.1.1.1 cannot ping with 2.2.2.2 . 2 : Reponse message, send all or part of its routing information, one SMTP sends an email to this mail server. Of course, B can use the IPV4 session to read. Interface Serial0/1 ipv6 enable After receiving this poisoning message, B erases 10.4.0.0 from the routing table, but it still exists in the rip database , the status is possible down , the garbage collection time ( Garbage colletion CISCO default 60S ), the route is from B. The database is erased. IPv4- compatible address !! ipv4 routing, so that the route can access the tunnel destination , which is 10.1.23.3 IPv6 2004::/64 Neighbor 2.2.2.2 11 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: System Id Last read 00:00:44, last write 00:00:47, hold time is 180, keepalive interval is 60 seconds Neighbor capabilities: Route summary Identify the type of message: Image This global configuration command enables PBR to take effect on locally originated traffic. Neighbor 2001:12::2 remote-as 234 First of all, the route-map is a very important tool, and it is used in a wide range. When defining a route-map , we use the route-map keyword to associate a custom parameter, such as test . A route-map list by the test string unified representation, you may be in one route-map define a plurality of sequences, a sequence number to a decimal representation, such as the figure above, 10 , Router(config)# ipv6 router ospf process-id !! Interface activates IPv6 Neighbor 2001::1 update-source Loopback0 PE1 , P , and PE2 form an LDP neighbor relationship and deliver IGP labels. ! Mpls labels in/out nolabel/ 403 basis Configuring Example 6 Deploying Distribution Lists When Republishing Between Protocols Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route Network 10.1.23.3 0.0.0.0 area 0 Think carefully about what will be wrong, in fact access-list 1 deny 172.16.32.0 is a summary route 172.16. 32.0/21 Defaut-network takes precedence and becomes the default gateway gateway of last resort . However, if the network specified by ip defaut-network is learned from a dynamic routing protocol, ip route 0/0 takes precedence. RFC2766 , RFC2765 . NAT-PT (Network Address Translation - Protocol Translation) is an address translation technique that translates IPv6 addresses into IPv4 addresses and vice versa. NAT-PT is based on the stateless IP/ICMP converter ( SIIT ) algorithm defined in RFC2766 . SIIT algorithm translation Tag R1(config-router)# redistribute connected subnets Transmit limit accumulator 0x0 (0x0) IP MTU 1500 (2) Declare the loop port 1.1.1.1224 Ipv6 enable R2(config-router)# distribute-list 1 out Www.6bone.net Router bgp 234 1/32 Netsh interface ipv6 add address interface index number ipv6 address As shown in FIG: In ASBR when re-released many ways to modify the external LSA of TAG value. Image Ipv6 address 2001:5555::5/128 interface FastEthernet0/0 Passive-interface Ipv6 traffic-filter is applied under the interface. Two-way re-release on R2 . Under normal circumstances, R1 can learn 3.3.3.0 , and R3 can learn 1.1.1.0. Router(config-rtr)# poison-reverse 6to4.ipv6.microsoft.com and so on. Neighbor: interface-id 4, link-local address FE80::FFFF:FE10:2 Neighbor priority is 1, State is FULL, 6 state changes Image Image FastEthernet0/0 If R2 is added to the default route of R3 on the above basis, the data of the PC to the 10.1.13.0 network is still lost to R1 , which means that ip defaut-next-hop has higher priority than the default route. R2(config-router)# distribute-list 1 out fa 1/0 This manual assignment Ip route 192.168.10.0 255.255.255.0 fast 0/0 Image Family Identifier ) By using route tags in RIP , you can control the redistribution of related routes in other protocols. When republishing to other protocols, RIP routes simply compare the tokens assigned to them without comparing the entire route. Using ICMP protocol to detect 10.1.1.2 reachability (source address 10.1.1.1 to ping10.1.1.2 ) Track Object 's ID is 1 , associated to ip sla monitor 1 No bgp default ipv4-unicast neighbor 2.2.2.2 remote-as 234 ! Complete the construction of the environment and the basic configuration of the device to ensure the interconnection of the entire network. 2 : Reponse message, send all or part of its routing information, in a Response message Router bgp 12 Dual stack ( Dual Stack ) RIP based on rumor updates Ipv6 unicast-routing Ipv6 address 2001:1::FFFF/64 First of all, the route-map is a very important tool, and it is used in a wide range. When defining a route-map , we use the route-map keyword to associate a custom parameter, such as test . A route-map list by the test string unified representation, you may be in one route-map define a plurality of sequences, a sequence number to a decimal representation, such as the figure above, 10 , 0001 xxxx xxxx xxxx The next hop of 1.1.1.0/24 , because the AD value of OSPF is better than RIP . Test phenomenon: can ping through Access-list 1 permit 1.1.1.0 Image Router(config-rtr)# poison-reverse Mechanism overview S Via FE80::5C10:8CFF:FEE0:FE89, Serial0/0 Address-family vpnv6 neighbor 2.2.2.2 activate 0xFFFF OSPF and IBGP route re-release Ip route 0.0.0.0 0.0.0.0 serial s0/2 2 : RIP-2 ; Incomplete Reachable Stale Delay description OSPF and IBGP route re-release Adding the default keyword will cause the interface to install a default route after getting the address through stateless autoconfiguration. Access-list 1 permit 100.1.1.0 Fa1/0 When 10.1.1.2 is reachable, the track object is true Ip rip trigger Use this command to view the router IPv6 routing table. Image Ipv6 address 2000:12::1/64 ipv6 ospf network point-to-point ipv6 ospf 1 area 0 PE1#show bgp vpnv6 unicast all 2001:5555::5/128 Image 1 200-299 ; P has a label space of 300-399 ; PE2 has a 400-499 . IS-IS Level-1 Link State Database: 1/0/0 R1#sh ipv6 route ospf For address family: IPv6 Unicast ! Document number 202.101.100.2 Routing, then: Interface FastEthernet0/0 ipv6 enable Configure on R2 as follows: R2 re-released the incoming A network segment route and then got up? Then R3 will ignore the route from R1 update. For R3 , go to RIP V1 supports a maximum of 6 and defaults to 4 equivalent load balancing. And does not support verification. V2 supports verification. # x client host Difficult case ! Enhanced Interior Gateway Routing Protocol (EIGRP) Open Shortest Path First (OSPF) Ipv6 unicast-routing Interface serial0/0 Use a static route to the next hop R4.00-00 Then do a simple test: The configuration of R1 is as follows: We see that the PC first generates an interface ID of 64 bits according to its locally configured IPv4 address: 1.1.1.1 : This global configuration command creates a route-map that uses a custom string to represent this route-map . You can do this in a 5 : local site range; R2 to R1 added IPv4 header removed to restore the original IPv6 data, and then forwarded to the right of the IPv6 PC . * 0x0000000B Default route DHCP PD PC can take the initiative to send RS to trigger router sends RA , without waiting for RA periodically sent before closing time to the RA . For area1 in the IPv6 prefix summarize, reduce routing entries Image The command distribute-list out works only on the routes being redistributed by the Autonomous System Boundary Routers (ASBRs) into OSPF. It can be applied to external type 2 and external type 1 routes, but not to intra-area and interarea routes. The above-mentioned IPv4 address is IPv6 public address isolated site, in the IPv6 / IPv4 border router ( 6to4 configure the router) V4 addresses may be directly 6to4 router interface connected to the public network the IP , may be a 6to4 router Loopback Interface the IP , the IP is also the 6to4 tunnel of source or Where do you want . OSPF . In this way, for R4 , it goes to 192.168.1.0 , there is a sub-optimal path , that is, around the long way, take R2-R3-R3-R5 Configuration example None CE1 and CE2 configuration Image Experimental configuration Application prefix list The maximum hop count is still 15 hops FF00 – FFFF Router(config)# router isis [ tag] S0 DCE Ip prefix-list ABC seq 5 permit 172.0.0.0/8 Y Review the previous IPv6 only network access to the IPv4 only network using the V4 address pool. technical background Ipv6 route ::/0 tunnel 0 length Reachable time and retrans timer are 0 if specified Situation 2 Check the VPNv6 prefix 2001:5555::5 on PE1 . You can see that the out label is 403. It is obvious that R4 is the label assigned by PE2 . This label is actually the label of VPNv6 . In order for PE2 to know, this data belongs to VRF . You can also use the following command to view In order to get this prefix automatically, just run a protocol between the router and the host. Router using NDP protocol Fast forwarding A static route to the host Milne is added to the ROO . The next hop is the E1 port of Kanga . The purpose is to pass the bridge that is often congested. But found that Kanga will be sent to the host In addition,cisco ccna exam dumps, IS-IS neighboring routers have a very important factor to consider. In an IPv4 or IPv6 single-protocol environment, IS-IS adjacencies and information interactions are not problematic. However , care should be taken when enabling both protocols ( IPv4 and IPv6 ) on all neighboring IS-IS routers . In this particular case, the two protocols must be enabled on all IS-IS neighboring routers. Otherwise, the IS-IS router will no longer maintain the adjacency relationship with all its IS-IS IPv4 neighbors. In fact, when Level1 or Level1-2 IS-IS router in adjacency checking is enabled, it checks from the IS-IS the neighbor Hello message, if the neighbor to use a different set of protocols, it refused abutting relationship therewith.