Difference between revisions of "CCNA Explorer 2 RIP version 1"

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*R2 uses its own subnet mask on this interface and applies it to this and all other 172.30.0.0 subnets that it receives on this interface - in this case, 172.30.1.0.  
 
*R2 uses its own subnet mask on this interface and applies it to this and all other 172.30.0.0 subnets that it receives on this interface - in this case, 172.30.1.0.  
 
*The 172.30.1.0 /24 subnet was added to the routing table.
 
*The 172.30.1.0 /24 subnet was added to the routing table.
 +
==Advantages and Disadvantages of Automatic Summarization==
 +
{|
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|[[Image:ScreenShot923.jpg|800px|left|thumb|Automatic Summarization wont work with discontiguous networks.]]
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|}
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=Default Route and RIPv1=
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==Propagating the Default Route in RIPv1==
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{|
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|[[Image:ScreenShot924.jpg|800px|left|thumb|router rip
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{|
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|[[Image:ScreenShot924.jpg|800px|left|thumb|show ip route.]]
 +
|}
 
[[Category:CCNA]]
 
[[Category:CCNA]]

Revision as of 21:21, 19 April 2011

RIPv1

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Background and Perspective

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Message Format

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RIP Operation

Request and Response messages

Each RIP-configured interface sends out a request message on startup, requesting that all RIP neighbors send their complete routing tables.

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Administrativ Distance

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Basic RIPv1 Configuration

Basic RIPv1 Configuration

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Enabling RIP

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Verification and Troubleshooting

Verifying RIP

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Show ip protocols

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Debug ip rip

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Passiv Interfaces

R2(config)#router rip
R2(config-router)#passive-interface FastEthernet 0/0
R2(config-router)#end
Passive-interface

Automatic Summearization

Boundary Routers and Automatic Summarization

Boundary Routers

Processing RIP Updates

Update
  • R2 received this information on an interface that belongs to the same classful network (172.30.0.0) as that of the incoming 172.30.1.0 update.
  • The IP address for which R2 received the "172.30.1.0 in 1 hops" message was on Serial 0/0/0 with an IP address of 172.30.2.2 and a subnet mask of 255.255.255.0 (/24).
  • R2 uses its own subnet mask on this interface and applies it to this and all other 172.30.0.0 subnets that it receives on this interface - in this case, 172.30.1.0.
  • The 172.30.1.0 /24 subnet was added to the routing table.

Advantages and Disadvantages of Automatic Summarization

Automatic Summarization wont work with discontiguous networks.

Default Route and RIPv1

Propagating the Default Route in RIPv1

[[Image:ScreenShot924.jpg|800px|left|thumb|router rip
show ip route.
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