RHEL6: How to monitor IPv6 routing cache

• Red Hat Enterprise Linux 6

Please note: the RHEL7.3 Ipv6 routing cache is not affected by this issue. Some RHEL6.6 releases (kernels 2.6.32-521.el6 and 2.6.32-504.9.el6) and later have an issue where the entries parameter in /proc/net/rt6_stats may be negative. See https://access.redhat.com/so...