Some interesting stuff I found on IX LANs
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A detailed analysis of problematic broadcast and multicast traffic found on Internet Exchange (IX) LANs through monitoring tools. The investigation reveals various misconfigurations including discovery protocols (LLDP, CDP), routing protocols (OSPF, RIP), DHCP requests, and even desktop computers accidentally connected to exchange fabrics. These issues range from information disclosure to potential security vulnerabilities and operational disruptions, highlighting the need for better traffic filtering and monitoring at internet exchanges.
Table of contents
Router/Switch IdentificationAutomatic AddressingNon BGP Routing ProtocolsThe problem with SONiCWeird misc stuff that should not be on internet exchangesDNS-BroadcastHow can IXs prevent this?Sort: