Set ‘ip authentication key-chain eigrp’
Details Specify the type of authentication used in Enhanced Interior Gateway Routing Protocol (EIGRP) packets per interface. Rationale: Configuring EIGRP...
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CIS Cisco IOS 16 L2 V1.1.1
Set ‘ip authentication mode eigrp’
Details Configure authentication to prevent unapproved sources from introducing unauthorized or false routing messages. Rationale: This is part of the...Set ‘ip access-list extended’ to Forbid Private Source Addresses from External Networks – ‘Deny 192.168.0.0’
Details This command places the router in access-list configuration mode, where you must define the denied or permitted access conditions...Set ‘ip access-list extended’ to Forbid Private Source Addresses from External Networks – ‘Deny 224.0.0.0’
Details This command places the router in access-list configuration mode, where you must define the denied or permitted access conditions...Set ‘ip access-list extended’ to Forbid Private Source Addresses from External Networks – ‘Deny host 255.255.255.255’
Details This command places the router in access-list configuration mode, where you must define the denied or permitted access conditions...Set ‘ip ospf message-digest-key md5’
Details Enable Open Shortest Path First (OSPF) Message Digest 5 (MD5) authentication. Rationale: This is part of the OSPF authentication...Set ‘ip tftp source-interface’ to the Loopback Interface
Details Specify the IP address of an interface as the source address for TFTP connections. Rationale: This is required so...Set ‘key’
Details Configure an authentication key on a key chain. Rationale: This is part of the routing authentication setup Impact: Organizations...Set ‘key chain’
Details Define an authentication key chain to enable authentication for routing protocols. A key chain must have at least one...Set ‘key’ for each ‘ntp server’
Details Specifies the authentication key for NTP. Rationale: This authentication feature provides protection against accidentally synchronizing the ntp system to...