You have discovered a bug in the xCAT noderange.
What xCAT does in that case is interpolate that into an expanded view, so
mei[1-6]1xt
Gets expanded to:
mei11xt-mei61xt
Before evaluation (with obvious problem).
Note that while I wasn't aware of this specific issue, the confluent noderange
You are right.
xCAT can configure to make two dhcpd have totally same configuration, in this case each dhcpd can work independently without need to know the status of another dhcpd.
ThanksBest Regards--Wang Xiaopeng (王晓朋)IBM