CONFIG_XTENSA_ISS_NETWORK is not available for thedefaultarchitecture x86.
Result is shown for architecture xtensa

CONFIG_XTENSA_ISS_NETWORK (not configurable)

configname: CONFIG_XTENSA_ISS_NETWORK

Linux Kernel Configuration
└─>XTENSA_ISS_NETWORK
In linux kernel since version 2.6.13 (release Date: 2005-08-28)