Cisco NX OS Switch RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco BGP switch must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.
<VulnDiscussion>The effects of prefix de-aggregation can degrade switch performance due to the size of routing tables and also result in blac...Rule Medium Severity -
SRG-NET-000362-RTR-000118
<GroupDescription></GroupDescription>Group -
The Cisco BGP switch must be configured to limit the prefix size on any inbound route advertisement to /24, or the least significant prefixes issued to the customer.
<VulnDiscussion>The effects of prefix de-aggregation can degrade switch performance due to the size of routing tables and also result in blac...Rule Low Severity -
SRG-NET-000512-RTR-000001
<GroupDescription></GroupDescription>Group -
The Cisco BGP switch must be configured to use its loopback address as the source address for iBGP peering sessions.
<VulnDiscussion>Using a loopback address as the source address offers a multitude of uses for security, access, management, and scalability o...Rule Low Severity -
SRG-NET-000512-RTR-000002
<GroupDescription></GroupDescription>Group -
The Cisco MPLS switch must be configured to use its loopback address as the source address for LDP peering sessions.
<VulnDiscussion>Using a loopback address as the source address offers a multitude of uses for security, access, management, and scalability o...Rule Low Severity -
SRG-NET-000512-RTR-000003
<GroupDescription></GroupDescription>Group -
SRG-NET-000362-RTR-000119
<GroupDescription></GroupDescription>Group -
The Cisco perimeter switch must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
<VulnDiscussion>Many of the known attacks in stateless autoconfiguration are defined in RFC 3756 were present in IPv4 ARP attacks. To mitigat...Rule Medium Severity
Node 2
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