03 - managing routing protocols

... trong routing table của Router1 sẽ không có route nào đến mạng B (10.11.0.0/16). Để giải quyết vấn đề này, dùng static routing hoặc dùng các routing hỗ trợ VLSM. Khi này thì cần phải có các routing ... cùng một subnet mask duy nhất. Vì khi các routing protocol nhận các routing update về các net khác (các network không kết nối trực tiếp), thì các classfull routing protocol...

Ngày tải lên: 07/09/2013, 15:00

... "Understanding IP Routing& quot;— This chapter provides an overview of IP routing protocols with focus on the following topics: - IP addressing concepts - Static and dynamic routes - Dynamic routing - Routing ... Not Used Troubleshooting RIP Redistribution Problems Troubleshooting Dial-on-Demand Routing Issues in RIP Problem: RIP Broadcast Is Keeping the IS...

Ngày tải lên: 16/10/2013, 12:15

... 'HWHUPLQLQJ#D#5RXWH#7KURXJK#0XOWLSOH#5RXWLQJ#*URXSV# Routing Group A Routing Group A Routing Group D Routing Group D Routing Group E Routing Group E Routing Group B Routing Group B Routing Group C Routing Group C Cost = 1 Cost ... 5HURXWLQJ#0DLO# Routing Group A Routing Group A Routing Group D Routing Group D Routing Group E Routing Group E If a conn...

Ngày tải lên: 10/12/2013, 16:15

... back: ■ Update Contains a routing update ■ Query Asks a neighboring router to validate routing information ■ Reply Responds to a query message 26 Chapter 11: Configuring Advanced Routing Protocols CertPrs8 ... packet The following sections cover these commands. The show ip protocols Command The show ip protocols command displays all of the IP routing protocols that you hav...

Ngày tải lên: 18/01/2014, 04:20

... updates and saving a neighbor’s routing table locally). ■ EIGRP has less network overhead, since it uses incremental updates. 24 Chapter 11: Configuring Advanced Routing Protocols CertPrs8 / CCNA Cisco ... in routing updates, and even terminate IP connections on them, like telnet. Here are some reasons you might want to create a loopback interface: 12 Chapter 11: Configuring Ad...

Ngày tải lên: 18/01/2014, 04:20

... s0/0/0 VLSM  VLSM in Action  VLSM and IP Addresses Chapter 6 VLSM and CIDR Routing Protocols and Concepts 17 Classless Routing Protocol  Classless routing protocols include the subnet mask ... belonging to customers A, B, C, and D.  192. 168 .0.0/23, 192. 168 .2.0/23, 192. 168 .4.0/22, and 192. 168 .8.0/21 are all subnets of 192. 168 .0.0/20 21  Any of thes...

Ngày tải lên: 23/02/2014, 09:20

... vector routing protocols (RIP), link-state routing protocols do not send periodic updates. OSPF routers do flood their own link states every 30 minutes. This is known as a paranoid update and ... Implementing Link-State Routing  Advantages of a Link-State Routing Protocol  Requirements of a Link-State Routing Protocol  Comparison of Link-State Routing Protocol Note: Cha...

Ngày tải lên: 23/02/2014, 09:20

... configuration.  QoS and SLAs are individually managed CIS 185 Advanced Routing Protocols EIGRP Part 2 Rick Graziani Cabrillo College graziani@cabrillo.edu Fall 20 12 EIGRP Load Balancing 44 MPLS Features  MPLS  Only ... R1 and R2), indicating that this mapping was provided on R3 (but not required between R2 and R3). 10 interface Serial 0/0 encapsulation frame-relay ip...

Ngày tải lên: 05/03/2014, 17:20

... Routing Information Sources: Gateway Distance Last Update 10.2.2.2 110 11: 29:29 10.3.3.3 110 11: 29:29 Distance: (default is 110 ) OSPF Process ID OSPF Router ID Networks OSPF is advertising ... network Command  The network command (same function as when used with other IGP routing protocols) :  Any interfaces on a router that match the network address in the network comman...

Ngày tải lên: 09/03/2014, 13:20

... communicate with any device on the 1 72. 16.3.0 /24 and 1 72. 16 .2. 0 /24 networks. Ÿ R2 can communicate with any device on the 1 72. 16.1.0 /24 , 1 72. 16 .2. 0 /24 , and 1 92. 168.1.0 /24 networks. Ÿ R3 can communicate ... address 1 92. 168 .2. 1 25 5 .25 5 .25 5.0 R3(config-if)# no shutdown R3(config-if)# interface serial 0/0/1 R3(config-if)# ip address 1 92. 168.1.1 25 5 .25 5 .2...

Ngày tải lên: 09/03/2014, 13:20

... network administrator. Other ways to compare routing protocols: 46 Implications of Routing Loops 1. 10 .4. 0.0 goes down. 2. R2 sent R3 a route to 10 .4. 0.0 before R3 could inform R2 that the network ... 10 .4. 0.0 network will loop between R2 and R3 until one of the routers drops the packet (the TTL expires). 1 10 .4. 0.0 2 3 X 5 Introduction to Distance Vector Routing Pro...

Ngày tải lên: 09/03/2014, 13:20

... does not advertise the network R2 and R3 share, nor does it advertise the 192.168 .5. 0 network because of split horizon. RIP: sending v1 update to 255 . 255 . 255 . 255 via Serial0/0/1 (192.168.4.2) RIP: ... seconds). RIP: sending v1 update to 255 . 255 . 255 . 255 via Serial0/0/0 (192.168.2.2) RIP: build update entries network 192.168.3.0 metric 1 network 192.168.4.0 metric 1 network 192...

Ngày tải lên: 09/03/2014, 13:20

... 5 172 . 17. 2.0/24 172 . 17. 1.0/24 .1 .1 .1.2 172 . 17. 1.0 172 . 17. 3.0 Apply /24 interface mask Apply /24 interface mask 172 . 17. 3.0/24 48 Enabling and Verifying RIPv2  RIPv2 is defined in RFC 172 3.  ... 36 Example 6 172 .16.2.0/24 172 . 17. 1.0/24 .1 .1 .1.2 172 . 17. 0.0 (Summary) 172 . 17. 0.0 (Summary) Apply /16 classful mask (route not used) Apply /16 classful mask...

Ngày tải lên: 09/03/2014, 13:20

... Chapter 8 The Routing Table: A Closer Look The Routing Table Structure 38 Step 2b.  If there is not a match with any of the level ... destination IP address of a packet and a route in the routing table, a minimum number of leftmost bits must match between the IP address of the packet and the route in the routing table.  The subnet ... 192.1 68. 1.0/24 [120/1] via 172.1...

Ngày tải lên: 18/03/2014, 14:20

Ngày tải lên: 16/11/2014, 19:52