Cisco Cisco Tunnel Terminating Gateway (TTG) 故障排查指南
PDG/TTG Engineering Rules
▀ ICMPv6 Restrictions
▄ Cisco ASR 5000 Series Packet Data Gateway/Tunnel Termination Gateway Administration Guide
OL-22999-01
ICMPv6 Restrictions
There is no support for ICMPv6 in this software release.