... Suck-in-active(SIA) EIGRP Packet Formats EIGRP packet IP packet tưng ứng với trường protocol number 88 kích thước tối đa EIGRP kích thước cực đại IP packet_thường 1500 octet Cấu trúc cụ thể EIGRP ... Feasible successor lưu topology table Successor: từ topology table, tìm route có metric nhỏ lưu vào routing table Và neighbor qung bá route Seccessor The DUAL Finite State Machine Khi router không ... bandwidth dành cho định tuyến EIGRP hỗ trợ authentication việc sử dụng tin mã hoá MD5 EIGRP classless routing protocol, có nghĩa gửi subnet mask thông tin định tuyến Đặc điểm cuối EIGRP không hỗ trợ...
... Enhanced InteriorGatewayRouting Protocol (EIGRP) Enhanced IGRP Capabilities and Attributes Key capabilities that distinguish Enhanced IGRP from other routingprotocols include fast ... DUAL to make routing decisions, the results of which are stored in the IP routing table IP-Enhanced IGRP is responsible for redistributing routes learned by other IP routingprotocolsRouting Concepts ... Routing Table Maintenance Protocol (RTMP) The IP implementation redistributes routes learned from OSPF, Routing Information Protocol (RIP), IS-IS, Exterior Gateway Protocol (EGP), or Border Gateway...
... Enhanced InteriorGatewayRouting Protocol (EIGRP) As internetworks grew in scale and diversity in the early 1990s, new routingprotocols were needed Cisco developed Enhanced InteriorGatewayRouting ... [90/2 681 856] via 172.16.1.1, 00:34:11, Serial0.1 172.16.3.0 [90/2 185 984 ] via 172.16.1.1, 00:34:11, Serial0.1 192.1 68. 4.0/24 [90/ 283 5456] via 172.16.1.1, 00:34:11, Serial0.1 10.0.0.0 /8 [90/2313 984 ] ... packet was sent to this destination chpt_11.fm Page 688 Thursday, November 15, 2001 4:16 PM 688 Chapter 11: Hybrid: Enhanced InteriorGatewayRouting Protocol (EIGRP) • Route information—IP address...
... route, o - ODR Gateway of last resort is not set I 131.1 08. 9.0/24 [100 /89 76] via 131.1 08. 3.2, 00:00:46, Serial0 I 131.1 08. 8.0/24 [100 /89 76] via 131.1 08. 3.2, 00:00:46, Serial0 C 131.1 08. 3.0/24 is ... I 131.1 08. 2.0/24 [100 /85 76] via 131.1 08. 3.2, 00:00:46, Serial0 C 131.1 08. 1.0/24 is directly connected, Ethernet0 I 131.1 08. 7.0/24 [100 /89 76] via 131.1 08. 3.2, 00:00:47, Serial0 C 131.1 08. 6.0/24 ... Trường Sơn Gateway of last resort is not set I 131.1 08. 4.0/24 [100 /89 76] via 131.1 08. 3.1, 00:00:46, Serial0 I 131.1 08. 5.0/24 [100 /89 76] via 131.1 08. 3.1, 00:00:46, Serial0 C 131.1 08. 3.0/24 is...
... chapter/curriculum Book: RoutingProtocols and Concepts By Rick Graziani and Allan Johnson ISBN: 1- 587 13-206-0 ISBN-13: 9 78- 587 13206-3 Topics The Routing Table Structure Topology Routing Table Entries ... specific route entry 28 Routing Table Lookup Process Routing Table Lookup Process IP Packet Routing Table Find “best match” When a router receives a packet on one of its interfaces The routing table ... 192.1 68. 1.0/24 is directly connected, Serial0/0/1 192.1 68. 100.0/24 is directly connected, Serial0/0/1 The structure of the routing table might seem obvious Help you verify and troubleshoot routing...
... (192.1 68. 32.0 to 192.1 68. 32.63) (192.1 68. 32.0 to 192.1 68. 32.255) (192.1 68. 32.0 to 192.1 68. 63.255) If a packet destined to 192.1 68. 32.1 is directed toward 10.1.1.1, because 192.1 68. 32.1 falls ... 10.1.1.2 (192.1 68. 32.0 to 192.1 68. 32.255) O 192.1 68. 32.0/19 [110/22 984 0] via 10.1.1.3 (192.1 68. 32.0 to 192.1 68. 63.255) If a packet arrives on a router interface destined for 192.1 68. 32.1, which ... reserved Cisco Public 26 Routing Behavior Classful & classless routingprotocols Influence how routing table is populated Classful & classless routing behaviors Determines how routing table is searched...
... 131.1 08. 5.0/24 có major net với 131.1 08. 2.0/24 không ? - Có: Mạng 131.1 08. 5.0/24 có subnet mask với 131.1 08. 2.0/24 không? + Có: Router advertise network 137.99 .88 .0/24 có major net với 131.1 08. 2.0/24 ... via 131.1 08. 2.2, 00:00:07, Serial0 131.1 08. 0.0/24 is subnetted, subnets R 131.1 08. 5.0 [120/1] via 131.1 08. 2.2, 00:00: 08, Serial0 C 131.1 08. 2.0 is directly connected, Serial0 C 131.1 08. 3.0 is directly ... chi tiết ( /8) , không thêm đường đến mạng B Chính routing table Router1 route đến mạng B (10.11.0.0/16) Để giải vấn đề này, dùng static routing dùng routing hỗ trợ VLSM Khi cần phải có routing protocol...
... 12 -8 196 Table 12 -8 Endpoint Types Gateway Trunk gateway (ISUP) Trunk gateway (MF) Network Access Server (NAS) NAS/VoIP gateway Access gateway (VoIP) Access gateway (VoIP, NAS) Residential gateway ... Connection Modes Operation Gateway should only send packets Gateway should only receive packets Gateway should send and receive packets Gateway should not send or receive packets Gateway should place ... Database providing authorization and routing information ACC—Accounting Gateway collecting start and end accounting information Media Gateway Control Protocol Media Gateway Control Protocol (MGCP)...
... organizations for interdomain routing exchange For example, 131.1 08. 0.0/16 can be divided into four subblocks (131.1 08. 0.0/ 18, 131.1 08. 64.0/ 18, 131.1 08. 1 28. 0/ 18, and 131.1 08. 192.0/ 18) and allocated to ... BGP InteriorGatewayProtocols Versus Exterior GatewayProtocols Even though many unicast routingprotocols were developed in the early days of the ARPANET (the predecessor to the Internet), Routing ... intelligent routing metrics, faster convergence, and operation in classless environments So, here we are again with yet another classification of routing protocols: interiorgatewayrouting protocols...
... Added to the Routing Table R2# undebug all All possible debugging has been turned off ! or ! R2# undebug ip routing IP routing debugging is off R2# l The debug ip routing displays routing table ... static route Ÿ dynamic route l Disable debug ip routing by either: Ÿ undebug ip routing Ÿ undebug all 37 Changing an IP Address R2# debug ip routing IP routing debugging is on R2# config t Enter configuration ... to the Routing Table l Devices on Directly Connected Networks l Cisco Discovery Protocol (CDP) l Using CDP for Network Discovery Routing Table Concepts R1# show ip route Gateway...
... R1(config)# router ? bgp Border Gateway Protocol (BGP) egp Exterior Gateway Protocol (EGP) eigrp Enhanced InteriorGatewayRouting Protocol (EIGRP) igrp InteriorGatewayRouting Protocol (IGRP) isis ... omitted> Gateway of last resort is not set R R C C R 192.1 68. 4.0/24 192.1 68. 5.0/24 192.1 68. 1.0/24 192.1 68. 2.0/24 192.1 68. 3.0/24 [120/1] via [120/2] via is directly is directly [120/1] via 192.1 68. 2.2, ... 192.1 68. 4.2, 00:00: 08, Serial0/0/1 192.1 68. 4.2, 00:00: 08, Serial0/0/1 192.1 68. 4.2, 00:00: 08, Serial0/0/1 25 Verifying RIP: show ip route Command R1# show ip route R 192.1 68. 5.0/24...
... 172.16.0.0/16 192.1 68. 1.0/24 25 Example 10.0.0.0 /8 172.16.0.0/16 1 192.1 68. 1.0/24 Apply /8 classful mask 10.0.0.0 Apply /24 classful mask 192.1 68. 1.0 26 Example 172.17.0.0/16 172.16.0.0/16 192.1 68. 1.0/24 ... from one routing source and sending those routes to another routing source Routes can only be redistributed into a dynamic routing protocol Dynamic routing protocol to a different dynamic routing ... 209.165.200.2 28/ 30 209.165.200.232/30 Classful routingprotocols not include enough routing information to route properly for discontiguous networks Summary Route R2(config)# ip route 192.1 68. 0.0 255.255.0.0...