Did you configure non stop-routing and non-stop bridging? Sent from my iPhone
On 2012-08-03, at 4:06 PM, ryanL <ryan.lan...@gmail.com> wrote: > hi all. relatively new to juniper gear, very new to virtual chassis. > > have 2x ex4200 top of rack in vc. bare bones config. connected to two > core 4500's, not doing vc. also not doing spanning-tree (no need). > vrrp is on c1 and c2 for the rack subnet, formed via the 4200's. sorry > if my bad ascii art doesn't format proper. > > c1-----ospf------c2 > | | > | | > | | > 4200a-----vc----4200b > > i have a host hanging off the 4200's. when i reload the master 4200a, > i see the mac address instantaneously get removed on c1, show up on > c2, via 4200b. makes sense. i also see vrrp mastership flip to c2, > which is done via link-tracking. why, then, do i see ~45s of data loss > to the host? it seems to be 45s pretty much every time i punt. > > to test this i'm pinging the host from c1 and c2 simultaneously. > > the host is doing bond0, active/backup. it flips over properly when > the active side fails. > > is there something special about vc that i'm missing? i enabled > no-split-detection because without it was really really bad news. > > appreciate any insight or things to look for! > > ryanL > > > root@fsad-rs1> show configuration virtual-chassis > no-split-detection; > member 0 { > mastership-priority 200; > } > member 1 { > mastership-priority 200; > } > > {master:1} > root@fsad-rs1> show virtual-chassis status > > Virtual Chassis ID: 2ecd.820c.7baf > Virtual Chassis Mode: Enabled > Mstr Mixed Neighbor List > Member ID Status Serial No Model prio Role Mode ID Interface > 0 (FPC 0) Prsnt BP0212245349 ex4200-48t 200 Backup N 1 vcp-0 > 1 vcp-1 > 1 (FPC 1) Prsnt BP0212245335 ex4200-48t 200 Master* N 0 vcp-0 > 0 vcp-1 > > Member ID for next new member: 2 (FPC 2) > > {master:1} > > root@fsad-rs1> show version > fpc0: > -------------------------------------------------------------------------- > Hostname: fsad-rs1 > Model: ex4200-48t > JUNOS Base OS boot [11.4R2.14] > JUNOS Base OS Software Suite [11.4R2.14] > JUNOS Kernel Software Suite [11.4R2.14] > JUNOS Crypto Software Suite [11.4R2.14] > JUNOS Online Documentation [11.4R2.14] > JUNOS Enterprise Software Suite [11.4R2.14] > JUNOS Packet Forwarding Engine Enterprise Software Suite [11.4R2.14] > JUNOS Routing Software Suite [11.4R2.14] > JUNOS Web Management [11.4R2.14] > > fpc1: > -------------------------------------------------------------------------- > Hostname: fsad-rs1 > Model: ex4200-48t > JUNOS Base OS boot [11.4R2.14] > JUNOS Base OS Software Suite [11.4R2.14] > JUNOS Kernel Software Suite [11.4R2.14] > JUNOS Crypto Software Suite [11.4R2.14] > JUNOS Online Documentation [11.4R2.14] > JUNOS Enterprise Software Suite [11.4R2.14] > JUNOS Packet Forwarding Engine Enterprise Software Suite [11.4R2.14] > JUNOS Routing Software Suite [11.4R2.14] > JUNOS Web Management [11.4R2.14] > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp