Cisco IOS XE Router RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco multicast Designated Router (DR) must be configured to limit the number of mroute states resulting from Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Host Membership Reports.
<VulnDiscussion>The current multicast paradigm can let any host join any multicast group at any time by sending an IGMP or MLD membership rep...Rule Medium Severity -
SRG-NET-000362-RTR-000123
<GroupDescription></GroupDescription>Group -
The Cisco multicast Designated Router (DR) must be configured to set the shortest-path tree (SPT) threshold to infinity to minimalize source-group (S, G) state within the multicast topology where Any Source Multicast (ASM) is deployed.
<VulnDiscussion>ASM can have many sources for the same groups (many-to-many). For many receivers, the path via the RP may not be ideal compar...Rule Medium Severity -
SRG-NET-000364-RTR-000116
<GroupDescription></GroupDescription>Group -
The Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to only accept MSDP packets from known MSDP peers.
<VulnDiscussion>MSDP peering with customer network routers presents additional risks to the DISN Core, whether from a rogue or misconfigured ...Rule Medium Severity
Node 2
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