[H3C]%Jul 17 11:39:58:716 2017 H3C STM/6/STM_LINK_UP: IRF port 1 came up.
%Jul 17 11:39:58:796 2017 H3C DSTM/1/DRV_DSTM: STM stackability check: IRF port index conflict. Self port index is 1, peer port index is 1.
%Jul 17 11:39:58:796 2017 H3C STM/3/STM_SOMER_CHECK: Neighbor of IRF port 1 can't be stacked.
%Jul 17 11:39:58:997 2017 H3C STM/3/STM_LINK_DOWN: IRF port 1 went down.
irf-port 1/1 和后面的irf-port 2/1 后面的1不能一致,必须是一个是1一个是2 比如:irf-port 1/1 和后面的irf-port 2/2 这样才能IRF堆叠成功。Self port index is 1, peer port index is 1.你这个日志也反馈这样的问题了。