ccnp route best book

ccnp route best book

*>i Y Isis Knowledge review R5 performs link redundancy. However, at this moment, R5 can only go to the target network through R2 . Knowledge review Route Control Overview 77 After deploying DAI , we can define the trust status of the switch interface: trusted , or untrusted , for trusted ports, it will not be received. Route-map 55 Protocol overview Metric LocPrf Weight Access Switch SW1 is turned on DHCP Snooping , inserted Option82 ; Match interface matches the route with the next outgoing interface as one of the specified interfaces. If you try to activate 8021.X on a port-security interface, you will get an error and the 802.1X function will not open. Note that the relay is in the configuration: That is to say, R5 goes to 100.0.1. and 2.0 each has two paths, which are through 10.1.25.2 and 3.3.3.3 , and finally R5. Example 1 : Using route-map to associate neighbor filtering routes Interface FastEthernet0/1 switchport access vlan 10 Router bgp 100 For a class B address, the default subnet mask length for a class B address is 16 bits, so 172.16.0.0/16 itself is a primary class network number. As another example of a through, 10.1.12.0/24 , first 10 beginning, which is an A class address, A Class mask default address is 255.0.0.0 , so 10.1.12.0/24 its major network number is 10.0 .0.0/24 . Configuring a sample RIP environment Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale 0 100 i If it is unreachable, the suppression timer is started at the same time. If the timer expires, the same neighbor still advertises the On the trunk port, as mentioned earlier, port-security can also be activated . The maximum number of secure addresses can be configured on the trunk interface, which can be based on interface configuration ( valid for all VLANs ) or VLAN- based . as follows: We can affect the routing by setting the LP value. For example, the same implementation allows R4 to access 100.0.1.0 and go to R3 , accessing 100.0.2.0. The next hop of the A segment becomes R4 , which results in a suboptimal path. Also, on R3 , the re-release of process 1 to process 2 fails. 200 IBGP horizontal segmentation Private VLAN ( PVLAN ) R1(config-router)#distribute-list 1 in ? // All interfaces !! wherein 2.2.2.2 is R2 of Router-ID , attention since 100.1.1.0 in R3 of OSPF Type ( Type ) SW2 is the core layer switch, deploying DHCP relay After deploying Backbone Fast , SW3 will immediately perform a series of steps to recalculate the root port as soon as it receives the suboptimal BPDU sent by SW2 . SW3 will send an RLQ request from the root port to the root bridge. Each group of GLBPs can have up to four member routers as ip default gateways. These gateways are called AVF ( active virtual forwarder ). 2.0 and 3.0 . Now we can by R2 deployment of a distribution list on the distribute-List , so that R2 update to R1 filter out routing information in Ip route 192.168.10.0 255.255.255.0 fast 0/0 Not used (set to all 0s ) Network 100.0.1.0 mask 255.255.255.0 Port The comparison principle of OE2 is first compared to the external metric of OE2 . If they are equal, further comparison of the internal metric is the metric to the ASBR . Interface fast0/1 Authentication Network 100.0.1.0 mask 255.255.255.0 Router(config)#router rip Next Hop Each update message describes only a single BGP route. This is because the BGP path attribute can only describe a single route. Match community 30 Neighbor 10.1.23.3 local-as 201 [no-prepend] [replace-as] [dual-as] Cc00.043c.0000 (10.1.1.253) local As an update source, send it to R3 . Switch(config-if)# switchport mode host 10.1.13.3 Reviewer Distribute-list 1 out rip No synchronization no auto-summary The BGP update package is as follows. You can note that the length of the AS is 2 , which is " 300 , 100 ". Note that this is an ordered list of ASs . External BGP Note that with route-map , the last is implicitly killing any , while the suppress-map is different. The EBGP neighbor learns 2.2.2.0 . The RIP management distance is 120 and the EBGP is 20. Therefore, EBGP routes are preferred . How to make R1 preferred RIP Access-list 1 deny 192.168.13.0 access-list 1 permit any !! Take the default route Manual bindings are IP addresses that have been manually mapped to the MAC addresses of hosts that are found in the DHCP database. Manual bindings are stored in NVRAM on the DHCP server. Manual Here to add a sentence, since attention to traffic, we must pay attention to the round trip of traffic, in general, we want 1.1.1.0 access 3.3.3.0 traffic to go ADC , then round-trip traffic generally requires a consistent path. That 3.3.3.0 to 1.1.1.0 data to a CDA , so to further D on the update to the C of 1.1.1.0 route of metric plus 1 jump. (interface) ip load-sharing per-destination / / There is a S entry in the routing table Command Router bgp 100 EtherType ? Ip route 172.16.1.32 255.255.255.224 192.168.23.3 Match ip address prefix-list 11 set community 100:11 If DHCP snooping is turned off or this is a DHCP- free network environment, such as a pure static IP address environment, use ARP Ok, then let's start the experiment below: For specific supported equipment, see the official CISCO documentation. Prefix-list Origin !! Note the difference between the above two commands Configuration last modified by 0.0.0.0 at 3-5-93 02:01:49 ! 100 i //trunk package protocol is dot1q 192.1.168.2 3 0003.47d9.c8f1 2BB648AB interface-id 584a38f0 END *>i1.1.1.0/24 If a psec port is punctured into err-disable , you can use the following methods to restore the state of the interface: Set ip next-hop recursive 10.1.12.2 Match abd , abcd , abccd , abcccd, etc. Ip address 192.168.10.254 255.255.255.0 * 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 When ISP1 when down, and GW connected ISP1 interface not DOWN (such as closing ISP1 the CDP ), since the GW lost ISP1 of CDP 100 Backup port: Discard status. A backup of a specified port occurs when a switch has two ports connected to the same shared medium. 2 state changes, last state change 00:07:34 Virtual IP address is 10.1.1.254 Router(config-router)# distance eigrp internal-distance external-distance At this time, actually R1 's loopback port to R2 needs at least 2 hops,ccnp route best book, then this time you need to configure both neighbor xxxx ebgp-mul 2 The vocation of the router is to maintain the routing table and use the routing table for data forwarding. The routing table contains routing entries or routing entries learned through various channels. The simplest and most straightforward method is to use static manual configuration to create routing entries for the router. This method is the most direct and controllable. The highest, the most simple configuration. In a small network, there seems to be no problem with static routing on the whole network. However, in a large network, if you use static routes purely, the workload is very large, not only the workload is large, but another more important defect is Static routes cannot be adjusted according to changes in network topology. Therefore, in large-scale networks, we often use static + dynamic routing protocols to complete route deployment.