Apologies to all for hi-jacking this thread.
I hope to do exactly this, to configure 2 x QFX5100-48T in a Virtaul Chassis (not VCF) mode only, using multiple QSFP+ to QSFP+ Ethernet Direct Attach Copper between the two switches.
According to the following, I can do this and use multiple VCP ports to increase the bandwidth between the 2 member switches:
Understanding QFX Series Virtual Chassis:
https://www.juniper.net/documentation/en_US/junos/topics/concept/virtual-chassis-qfx-series-understanding.html
Can any one suggest where I might find a sample configuration to implement this?
Thanks,
Mark