Luca Salvatore <l...@ninefold.com> writes: > I have a few sites connected via a VPLS core. The core devices are all > MX 10 routers connected via 10Gb fibre. I'm having problems doing file > copies (SCP between two Centos VMs). > > The issue is that the file copy never gets anywhere, on the Centos CLI > it sits at 0% then says 'stalled' To fix this issue I have just set > the MTU on the Centos machines to be 1400 - when this is in place the > copy works and I get nice speeds. > > I don't believe I should have to modify the MTU though, shouldn't path > MTU discovery take care of this?
VPLS presents a layer 2 link. There is no way for a L2 link to send ICMP messages. Fix your VPLS core to present a 1500 byte (or preferably much higher) MTU or tell the servers what the actual MTU is. /Benny _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp
