ccnp switch cheat sheet

ccnp switch cheat sheet

Initially, R3 can learn three loopback routes from R1 and 192.168.12.0/24 routes. Now we don't want R3 to learn the route to 192.168.3.0/24 , then we can configure it on R2 as follows: ? 200 Virtual-PPP Virtual PPP interface Virtual-Template Virtual Template interface *Mar 1 00:11:47.951: ICMP: echo reply rcvd, src 2.2.2.2, dst 192.168.123.3 Use the sticky MAC address on the port-security interface The idea is the same as Experiment 2 . In this way, SW2 will accept these DHCP messages and process them, and the PC will be able to obtain the address. You can learn these two external routes. In the cmd of windows PC , the packet size after ping is the size of ICMP data , ping –l 1472 , and the generated packet is 1500 bytes. Next Hop 10.1.13.1 Apply ARP ACLs to DAI Sw(config-if)#switchport mode private-vlan promiscuous sw(config-if)#switchport private-vlan mapping 100 201,202 sw(config)#interface range fa 0/1-2 Path match. Such an approach will match community included 100: 11 routes. SW3#sh int tru Ip prefix-list 1 seq 5 permit 1.1.1.0/24 route-map test permit 1 ? OSPF redistributes routes to RIP : The switch that first recognizes the topology change sends the TCN , the designated bridge receives the TCN and immediately returns a normal BPDU with the TCA set. (global configuration command) activates portfast features on all non- trunk interfaces Router bgp 200 bgp dmzlink-bw BVI Bridge-Group Virtual Interface Routing Information Protocol (RIP) Ip address 100.0.1.1 255.255.255.0 Ip community-list standard del permit no-export ip community-list standard del permit 100:11 Configuration command 57 Community-List. 11 the permit IP no-export (or no-export into NO-ADV ) Switch(config)# ip default-gateway 192.168.255.254 !! Set the gateway for the access switch itself Route . 3 : the AS_PATH : 500 the MED : 150 External RouterID : 172.16.13.1 Management VLAN of the Layer 2 switch Switchport port-security mac-address sticky 00b0.1111.2222 In CEF , there are two main types of load balancing, based on messages and based on purpose. Others, in fact, there are still many anti- ARP fraud solutions in the industry, each manufacturer has its own method. If it is access mode, the vlan must be the same. Optional non-delivery Ip route 172.16.1.0 255.255.255.224 192.168.12.1 s> 172.16.2.0/24 1 : RIP-1 ; Then just republish this static summary route into OSPF . In this way , the routers in OSPF can reach through this summary route. Report routing information. If the local end has this feature enabled, the next-hop device does not support CDP , then switch to the next next-hop . If there is no next-hop , skip the PBR. Receiver ( R1 ) a(bc)?d For example, on a PC ,ccnp switch cheat sheet, statically bind the gateway IP and the MAC of the gateway with arp-s to prevent arp spoofing, or use the command arp for binding on the network devices of the key nodes . Written in front of the words: 200 i The above command only re-advertises OSPF external routes E1 and E2 into BGP. 192.168.12.2/24 *version* 2 Route Tag Tag Static route configuration 20 Set the primary root and secondary root. With primary , the default priority of the network (both 32768 ), the switch spanning tree vlan priority is adjusted to 24576 , if it is secondary , it is 28672 . But if there is a switch with the lowest priority: 4096 in the network, then this command is not. In other words, this command is to detect the bridge priority of other devices in the current network, and to adjust its own priority and ensure the minimum, it is as simple as that.