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Which fields in an IP packet would a Cisco router look to make a matching decision when an ACL is configured ?

Question List › Category: Networking › Which fields in an IP packet would a Cisco router look to make a matching decision when an ACL is configured ?
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alisataylore190 author asked 9 years ago
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jully882 author answered 8 years ago

This would be dependent on the parameters configured on the ACL. For ex, a standard

ACL would look into the source IP address in the IP header whereas an extended ACL can

be configured to look into the source and destination IP address in the IP header as well as

the port numbers in the transport layer headers.

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