From: Edward Agostinho (edward@ceg.co.za)
Date: Sun Nov 23 2003 - 11:57:42 GMT-3
Hi group
How do we summarize access-lists with different subnet masks.
Let's assume you are requested to summarize the following in the least amount
of lines:
access-list 10 permit 133.6.11.0 0.0.0.127
access-list 10 permit 135.16.171.0 0.0.0.255
access-list 10 permit 172.60.51.0 0.0.0.127
access-list 10 permit 121.15.120.0 0.0.0.31
access-list 10 permit 112.59.9.0 0.0.0.255
Do I attempt to summarize:
access-list 10 permit 133.6.11.0 0.0.0.127
access-list 10 permit 172.60.51.0 0.0.0.127
and
access-list 10 permit 135.16.171.0 0.0.0.255
access-list 10 permit 112.59.9.0 0.0.0.255
and leave
access-list 10 permit 121.15.120.0 0.0.0.31
or do I ignore the masks and do a normal AND and XOR with the network portion
of the addresses?
I know how to summarize them if they all use /24 as the examples given by the
rest of the group but never seen one with different subnet masks?
Thanks
Edward
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