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I have two vMX's booted up in eve-ng using Junos 14.1R4.8. I have connected them using their em3 (ge-0/0/1) and em4 (ge-0/0/2) interfaces on each of the vMX's. The topology looks like this as shown below -

http://imgur.com/JuReY2U



I am using the PFE hack in /boot/loader.conf to have the PFE and RE in the same VM.

Do I need to manually change the mac addresses of the ge-0/0/1 and ge-0/0/2 interfaces to match those of em3 and em4 respectively? Because after creating aggregate interface ae1 from ge-0/0/1 and ge-0/0/2 (without modifying the mac addresses) I tried pinging the other peer with the same aggregate set up as this local peer and the ping doesn't work.

ping 100.100.100.2 interface ge-0/0/1.1
PING 100.100.100.2 (100.100.100.2): 56 data bytes
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host

And If I do change the mac addresses of the ge-0/0/1 and ge-0/0/2 interfaces I get the following error when creating an aggregate interface out of the two interfaces -

user@mx104# commit
[edit interfaces ge-0/0/1 gigether-options]
'802.3ad'
ae child device mac address setting is not allowed
error: configuration check-out failed

Ok, after further testing I have found that mac addressing changing is not required, the pings are successful as long as the interfaces are not an aggregate, so my question still is are aggregate interfaces supported by vMX?