05-25-2010 09:37 AM - edited 03-06-2019 11:15 AM
All, we've created the following internal networks and want to ensure that we correctly advertise with route summarization accordingly. What should the correct summarized route statement look like?
Subnets
30 /24bit user data/voip networks 10.122.[1-30].0 /24
20 /26bit server/printer/data networks 10.122.[31-40].0 .64.128.192 /26
15 /27bit networks 10.122.[41-45].0 .32.64.96.128.160.192.224 /27
Any help would be appreciated
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05-25-2010 09:48 AM
All, we've created the following internal networks and want to ensure that we correctly advertise with route summarization accordingly. What should the correct summarized route statement look like?
Subnets
30 /24bit user data/voip networks 10.122.[1-30].0 /24
20 /26bit server/printer/data networks 10.122.[31-40].0 .64.128.192 /26
15 /27bit networks 10.122.[41-45].0 .32.64.96.128.160.192.224 /27
Any help would be appreciated
Hi,
Check out the below link for example on route summarization with step by step procedure to summarize a network to advertise.
http://www.ciscopress.com/articles/article.asp?p=174107&seqNum=3
Hope to Help !!
Ganesh.H
Remember to rate the helpful post
05-25-2010 09:53 AM
vpollifrone wrote:
All, we've created the following internal networks and want to ensure that we correctly advertise with route summarization accordingly. What should the correct summarized route statement look like?
Subnets
30 /24bit user data/voip networks 10.122.[1-30].0 /24
20 /26bit server/printer/data networks 10.122.[31-40].0 .64.128.192 /26
15 /27bit networks 10.122.[41-45].0 .32.64.96.128.160.192.224 /27
Any help would be appreciated
You can't summarise in one statement unless you want to include more networks than you have ie.
10.122.0.0 255.255.192.0 would summarise 10.122.0.0 -> 10.122.63.0
If you only want to summarise the actual networks you have -
10.122.0.0 255.255.224.0 = 10.122.0.0 -> 10.122.31.0
10.122.32.0 255.255.248.0 = 10.122.32.0 -> 10.122.39.0
10.122.40.0 255.255.252.0 = 10.122.40.0 -> 10.122.43.0
10.122.44.0 255.255.254.0 = 10.122.44.0 -> 10.122.45.0
note the last 4 entries above could be replaced by
10.122.32.0 255.255.240.0 but this would include a few extra networks at the end because it works out as 10.122.32.0 -> 10.122.47.0
Jon
05-25-2010 09:48 AM
All, we've created the following internal networks and want to ensure that we correctly advertise with route summarization accordingly. What should the correct summarized route statement look like?
Subnets
30 /24bit user data/voip networks 10.122.[1-30].0 /24
20 /26bit server/printer/data networks 10.122.[31-40].0 .64.128.192 /26
15 /27bit networks 10.122.[41-45].0 .32.64.96.128.160.192.224 /27
Any help would be appreciated
Hi,
Check out the below link for example on route summarization with step by step procedure to summarize a network to advertise.
http://www.ciscopress.com/articles/article.asp?p=174107&seqNum=3
Hope to Help !!
Ganesh.H
Remember to rate the helpful post
05-25-2010 09:53 AM
vpollifrone wrote:
All, we've created the following internal networks and want to ensure that we correctly advertise with route summarization accordingly. What should the correct summarized route statement look like?
Subnets
30 /24bit user data/voip networks 10.122.[1-30].0 /24
20 /26bit server/printer/data networks 10.122.[31-40].0 .64.128.192 /26
15 /27bit networks 10.122.[41-45].0 .32.64.96.128.160.192.224 /27
Any help would be appreciated
You can't summarise in one statement unless you want to include more networks than you have ie.
10.122.0.0 255.255.192.0 would summarise 10.122.0.0 -> 10.122.63.0
If you only want to summarise the actual networks you have -
10.122.0.0 255.255.224.0 = 10.122.0.0 -> 10.122.31.0
10.122.32.0 255.255.248.0 = 10.122.32.0 -> 10.122.39.0
10.122.40.0 255.255.252.0 = 10.122.40.0 -> 10.122.43.0
10.122.44.0 255.255.254.0 = 10.122.44.0 -> 10.122.45.0
note the last 4 entries above could be replaced by
10.122.32.0 255.255.240.0 but this would include a few extra networks at the end because it works out as 10.122.32.0 -> 10.122.47.0
Jon
05-25-2010 09:59 AM
thanks for the help, much appreciated
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