Cisco has patched a denial of service (DoS) vulnerability that lets attackers crash the Border Gateway Protocol (BGP) process on IOS XR routers with a single BGP update message. IOS XR runs on the ...

Internet2 and Cisco recently demonstrated a breakthrough in coherent optics technologies, achieving a 400 Gbps link over 3,000 km on the Internet2 national research and education (R&E) network.