Hi! I'm trying to develop an MPLS solution with CCR1072 and CCR1009 routers, and everything seems to be working fine, except by Winbox connections, i've tried everything that you suggested here, but nothing works, i have a MPLS-MTU of 1580, an L2-MTU of 1580 and an L3-MTU of 1500.
My network includes several OSPF routers, with loopbacks, and the LDP sessions are also with the same loopback address, but when i'm trying to connect to any router inside my MPLS network, it takes until 7 to 8 seconds to open a winbox or web session, this occurs everytime, no matter if i'm connecting to a loopback address or other IP address configured directly in the physical interface, and once the winbox session is complete, everything works normally. Right now i'm using the 6.40.3 version, and i tested the MTU by pinging with 1500bytes packets without fragmenting to my routers, and the response is fine. So i don't know where can be the failure in managing this MPLS network. Can you help me with this problem?? Did it happens earlier to anybody in the forum?