differentiate linkstate routing protocols from distance vector routing protocols
Tài liệu Cisco Systems - Distance vector routing pdf
Ngày tải lên :
17/02/2014, 08:20
... v2.05-26
Summary
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Distance vector- based routing algorithms
(also known as Bellman-Ford algorithms) pass periodic
copies of a routing table from router to router.
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When the topology in a distance vector ... to:
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Describe the features offered by distance vector
routing protocols and give examples of each
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Describe the issues associated with distance
vector routing and identify solutions to those ... pass periodic copies of routing table to neighbor
routers and accumulate distance vectors.
Distance Vector Routing Protocols
© 2002, Cisco Systems, Inc. All rights reserved.
© 2002, Cisco...
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Tài liệu Configuring Distance Vector Protocols docx
Ngày tải lên :
18/01/2014, 04:20
... overview of routing protocols, including the
different types and their advantages and disadvantages. This chapter covers the basic
configuration of distance vector protocols, specifically the IP Routing ... show ip protocols command displays all of the IP routing protocols that you
have configured and are running on your router. Here’s an example of this command:
Router# show ip protocols
Routing ... route from the routing
table. Please note that the clear command only clears dynamic routes: static and
connected routes cannot be cleared from the routing table with this command.
The show ip protocols...
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Cơ chế hoạt động của các giải pháp nhằm tránh "LOOP" trong giải thuật distance vector
Ngày tải lên :
27/10/2013, 20:15
... trình này cứ lặp đi lặp lại (vì A sẽ gửi lại 1 update nói với B và D rằng la
N1 vẫn good) ===> routing loop
Nguyên nhân:
B và D có thể nhận được update từ A còn C thì không , bởi vì 1 "HÔI...
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DISTANCE VECTOR PROTOCOL: RIP & IGRP
Ngày tải lên :
06/11/2013, 04:15
... 1", distance 100, metric 8576
Redistributing via igrp 1
Advertised by igrp 1 (self originated)
Last update from 192.168.6.2 on Serial0, 00:00:20 ago
Routing Descriptor Blocks:
* 192.168.6.2, from ... route 133.33.0.0
Routing entry for 133.33.0.0/16
Known via "igrp 1", distance 100, metric 8576
Redistributing via igrp 1
Advertised by igrp 1 (self originated)
Last update from 10.1.1.2 ... igrp 1 (self originated)
Last update from 10.1.1.2 on Serial1, 00:01:02 ago
Routing Descriptor Blocks:
* 192.168.6.2, from 192.168.6.2, 00:01:02 ago, via Serial0
Route metric is 8576, traffic share...
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Distance Vector vs. Link State docx
Ngày tải lên :
06/03/2014, 07:20
...
R1(config-router)#^Z
A
B
2
Distance Vector vs. Link State
Distance Vector
Distance Vector
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Updates frequently
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Each router is
"aware" only of its
immediate neighbors
ã
Slow convergence
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Prone to routing ... 30.0.0.1
30.0.0.2
40.0.0.1
10.0.0.2
40.0.0.2
A
B
1
Distance Vector
Link State
Hybrid
Distance Vector vs. Link State
Route table
Topology
Incremental Update
Periodic UpdateRouting by rumor
A
B C D
X
E
23
OSPF ... to this
interface
interface
32
OSPF Network Types
50
show ip protocols
show ip protocols
Router#
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Verifies the configured IP routing protocol
processes, parameters and statistics
Verifying...
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bài viết về routing protocols cho cấp độ ccna
Ngày tải lên :
07/09/2013, 15:00
... nhưng nó chỉ có một entry trong routing table
II. SO SÁNH DISTANCE VECTOR VÀ LINK-STATE:
Distance Vector và Link State đều là các giao thức định tuyến động (Dynamic Routing
Protocol) cấu hình ...
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 ... kỳ. Đặc điểm của distance vector là thời gian hội tụ chậm. Đối với các routers đang
chạy routing protocol nhóm DV, định kỳ mỗi 30 giây, các routers sẽ trao đổi toàn bộ
bảng routing table sang...
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Troubleshooting IP Routing Protocols (CCIE® Professional Development)
Ngày tải lên :
16/10/2013, 12:15
... principles behind distance vector protocols and link-state protocols.
Distance Vector Routing Concepts
This section reviews key concepts that underlie the operation of distance vector routing protocols, ... are advertised by distance vector protocols, makes such environments
very susceptible to routing loops—for example, when a router running a distance vector protocol
broadcasts routing updates ... Avoidance
Routers running distance vector protocols determine best paths for routes relative to neigh-bors that
have advertised those routes to them. The mechanics of operation of distance vector protocols, ...
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Lab 9.3.5 Troubleshooting Routing Issues with show ip route and show ip protocols
Ngày tải lên :
23/10/2013, 00:15
... Examine the routing table
a. After an unsuccessful ping, check the routing table with the show ip route command. From
the Gadsden router, type the following:
1 - 6 CCNA 2: Routers and Routing ... the routing protocol status
a. After examining the routing tables, it is discovered that there is no route to the Birmingham
Ethernet LAN. So use the show ip protocol command to view the routing ...
Lab 9.3.5 Troubleshooting Routing Issues with show ip route and show ip
protocols
Objective
ã Use the show ip route and show ip protocol commands to diagnose a routing
configuration problem....
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Lab 9.3.5 Troubleshooting Routing Issues with show ip route and show ip Protocols
Ngày tải lên :
27/10/2013, 07:15
... interface?
_________________
Step 8 Examine the routing table
a. After an unsuccessful ping, check the routing table with the show ip route command. From
the Gadsden router, type the following: ... examining the routing tables, it is discovered that there is no route to the Birmingham
Ethernet LAN. So use the show ip protocol command to view the routing protocol status.
From the Gadsden ... ping command to verify connectivity from Gadsden router to a host in Birmingham.
b. From the Gadsden router, type the following:
3 - 6 CCNA 2: Routers and Routing Basics v 3.0 - Lab 9.3.5 Copyright...
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Tài liệu Configuring Advanced Routing Protocols doc
Ngày tải lên :
18/01/2014, 04:20
... Also, classless protocols
include the subnet mask value along with
the route when advertising routing
information: distance vector protocols do
not include the subnet mask in their routing
updates.
D:\omh\CertPrs8\934-9\ch11.vp
Monday, ... 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 have configured and are running on your ... nssa
Maximum path: 4
Routing for Networks:
0.0.0.0 255.255.255.255 area 0
Routing Information Sources:
Gateway Distance Last Update
192.168.1.100 110 00:00:24
192.168.100.1 110 00:00:24
Distance: (default...
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Tài liệu Configuring Advanced Routing Protocols pdf
Ngày tải lên :
18/01/2014, 04:20
... link. This is
different from distance vector protocols.
Distance vector protocols share their
entire routing table with their neighbors
with the exception of routes learned
from the same interface ... you were introduced to the configuration of two distance vector routing
protocols: IP RIP and IGRP. This chapter focuses on two advanced routing protocols:
OSPF and EIGRP. OSPF is a link state ... table.
ý A is incorrect because this is what distance vector protocols use. B is incorrect because
this is what link state protocols use. D is a nonexistent routing algorithm.
Self Test Answers
41
CertPrs8...
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