Cisco IOS XE 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 -
The Cisco MPLS switch must be configured to synchronize Interior Gateway Protocol (IGP) and LDP to minimize packet loss when an IGP adjacency is established prior to LDP peers completing label exchange.
<VulnDiscussion>Packet loss can occur when an IGP adjacency is established and the switch begins forwarding packets using the new adjacency b...Rule Low Severity -
SRG-NET-000193-RTR-000001
<GroupDescription></GroupDescription>Group
Node 2
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