Cisco IOS XR Router RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco PE router must be configured to enforce the split-horizon rule for all pseudowires within a Virtual Private LAN Services (VPLS) bridge domain.
<VulnDiscussion>A virtual forwarding instance (VFI) must be created on each participating PE router for each customer VLAN using VPLS for car...Rule Low Severity -
SRG-NET-000193-RTR-000002
<GroupDescription></GroupDescription>Group -
The Cisco PE router providing Virtual Private LAN Services (VPLS) must be configured to have traffic storm control thresholds on CE-facing interfaces.
<VulnDiscussion>A traffic storm occurs when packets flood a VPLS bridge, creating excessive traffic and degrading network performance. Traffi...Rule Medium Severity -
SRG-NET-000362-RTR-000119
<GroupDescription></GroupDescription>Group -
The Cisco PE router must be configured to implement Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) snooping for each Virtual Private LAN Services (VPLS) bridge domain.
<VulnDiscussion>IGMP snooping provides a way to constrain multicast traffic at Layer 2. By monitoring the IGMP membership reports sent by hos...Rule Low Severity
Node 2
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