ccna certification books

ccna certification books

Router(config-if)# ipv6 ospf process-id area area-id Each router running RIP manages a routing database that contains routing entries to all reachable destinations on the network. These routing entries contain the following information: Update message: contains the entire routing table, updated periodically Image View the interface (network card, including virtual network card) index and name, equivalent to ipv6 if x under WindowsXP SMTP sends an email to this mail server. Of course, B can use the IPV4 session to read. None Interface FastEthernet0/0 Router(config)# ipv6 router ospf process-id Image RIP also supports tags , but it must be version 2 . The other bit is 1 to indicate that the host uses stateful address autoconfiguration to obtain parameters other than the address. test: 0000 010x xxxx xxxx Image ATT/P/OL Ipv6 unicast-routing NS 135 On R1 , default information originate is also formed, and R2 and R3 will learn the default route of 0/0 . This command is for RIP Neighbor FE80::CE01:8FF:FED8:10 activate redistribute connected route-map test Use 224.0.0.9 Image Ipv6 route ::/0 tunnel 0 Tunnel mode ipv6ip 6to4 interface fast1/0 Access-list 1 permit 10.1.1.0 Route-map nat2 permit 10 match ip address 1 To verify which outbound interface is used for a particular traffic in destination-based load balancing, use The polymerizable global unicast address ( Aggregatable Global unicast address ) Route-map RFC1723 This comprehensive thinking question helps you sort through several solutions: IP Address IPv6 routing The GW configuration is as follows: --- Via FE80::FFFF:FE10:2, Serial0/0 OI 2001:34::/64 [110/192] R2 , R3 , aiming RIP create static routing domain summary route, point null0 , while only these static routes redistributed into OSPF , and indeed can play a sub-optimal paths to avoid the question, but: Configure a NET address for this router , which is exactly the same as the IPv4 IS-IS concept. Routing feedback Strictly speaking, path control is a very big topic. In the deployment of a large network, it is often necessary to consider the control of the data traffic access path in order to make more rational and scientific use and allocation of network resources. At the same time, it enhances the reliability, redundancy and robustness of the network. GRE tunnel basic experiment Image Image Modify the AD value of EIGRP Adjust the parameters of the prefix announcement Interface FastEthernet0/0 ipv6 enable Image FF02::1:FFxx:xxxx where xx:xxxx is the lower 24 bits of each unicast or anycast address Ip address 2.2.2.2 255.255.255.255 ! Test phenomenon: can ping through If you want to turn off ICMP redirects, you need to use no ip redirects on the interface . The configuration of R4 is as follows: Metric Ip prefix-list ABC seq 5 permit 172.0.0.0/8 ge 24 Image 0200 – 03FF The idea is the same as V6 access to V4 . Global command, statically specify RP Ipv6 address 2002:CA65:1703::FFFF/64 Interface tunnel 0 As the example above, it can be further abbreviated as: 2001 : a8 : 207 :: 8207 Match ip address 1 UP 32 bits In addition, if the command is configured when writing: ! Netsh interface ipv6 show ? !! NET entity address 1/64 Ipv6 address 2001:12::2/64 PE1#show ipv6 cef vrf cisco 2001:5555::5/128 Level2 router factor # x client host You can view the parameters of the IPv6 configuration. Passive-interface Segment header Fragment Header (Protocol 44 ) Image Configuration prefix re-programming 4.4.4.4/32 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 Image Also pay attention to the sending conditions of ICMP redirects here . Also note, R3 this default route on if configured to associate an outgoing interface, then it can not be observed phenomena redirection, as to the reason, you know, proxy ARP thing. As defined in RFC2462 , plug and play utilizes RS and RA messages. What is the routing table for R3 ? In fact, without any impact, R3 can learn the routing of the entire network. As for why, I believe that it has been explained very clearly. ! If an external route carrying a tag is advertised on R1 and OSPF is redeployed to EIGRP on R2 , then the route is advertised. After the command is configured, the neighbor R2 receives the prefix and displays the following: R2#sh ipv int f 0/0 Set ip next-hop 10.1.1.2 10.2.2.2 interface fast 1/0 Neighbor state Network 4.4.4.4 0.0.0.0 area 0 LSP Holdtime Tunnel interfaces do not necessarily need ipv6 address , of course, can also be configured v6 address, it does not affect traffic through the router configuration is complete, PC1 can ping through PC2 , Ethereal as follows: Then PC ping 10.1.13.0 , the data goes R1 ; PE1 and PE2 activated between MPBGP neighbor relations, to pass VPNv6 ready prefix Ipv6 address 2001:23::3/64 interface Serial0/1 Default route Ipv6 nat Ipv6 address 2002::2/128 Network 10.1.23.2 0.0.0.0 area 0 R1#show ip cef 2.2.2.2 internal 1/8 R1 Mpls ip For more details on adjusting the AD value for various routing protocols , see the technical documents such as OSPF , EIGRP , and BGP for the three cups of Black Tea . Network 4.4.4.4 0.0.0.0 area 0 Configuring IPv6 static routes Configuration example ! !! The red font part is the number of hops to be increased UP Experimental example: Called when republishing It is deployed on R1 and has an effect on these three routes. Image After completing the configuration, R2 show ip route Interface loopback0 Neighbor 2002::2 remote-as 12 address-family ipv6 Image R2(config)# access-list 1 deny 192.168.3.0 R2(config)# access-list 1 permit any R2(config)# router ospf 1 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: Image Therefore, we can redistribute the Ethernet port (the network segment) into RIPng on R1 and R3 . Image So 6to4 tunnel is done automatically find and set up, without having to manually configure the tunnel 's Where do you want , compared to the tunnel configuration, scalability is higher. A000 – BFFF After completing this configuration, we can show it: ! X <0-4294967295> 32-bit tag value In order to avoid the router solicitation message flooding on the local link, each node can transmit at startup . 3 th RS message. 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,ccna certification books, 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.