https://community.extremenetworks.com/t5/extremeswitching-exos-switch/packet-loss-on-directly-connected-node/m-p/26189#M3453 Hi Waqas,<BR /> <BR /> Could you please let us know the platform, Exos version, port numbers, sharing algorithm, traffic details, OSPF status at the time of issue? <BR /> <BR /> Also how you are confirming there is a packet loss. <BR /> <BR /> Tue, 31 Jan 2017 12:09:00 GMT Naresh 2017-01-31T12:09:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/packet-loss-on-directly-connected-node/m-p/26188#M3452 We have 2 switches interconnected and having 2 links on each switch all the links are having OSPF on P2P links from node and as well interlink of the switches. When we disable the OSPF on switch02 there is no packet loss but when enable it observed packet loss.<BR /> <BR /> Tried to disable the ospf on Switch01 as well but still observing the packet loss, Configuration of ports are same on both sides. Kindly find below the configs i have on switches.<BR /> <BR /> Swicth01<BR /> =======<BR /> x_1 135 x.x.x.x /30 -f-------o------------------- ANY 1 /1 VR-Default <BR /> x_3 136 x.x.x.x /30 -f-------o------------------- ANY 1 /1 VR-Default <BR /> <BR /> Interlink 338 x.x.x.x /30 -f-------o------------------- ANY 1 /1 VR-Default <BR /> <BR /> configure ospf routerid X.X.X.X<BR /> enable ospf<BR /> enable ospf export direct cost 10 type ase-type-1<BR /> enable ospf export static cost 10 type ase-type-1<BR /> create ospf area 10.0.0.0<BR /> configure ospf area 10.0.0.0 stub summary stub-default-cost 10<BR /> configure ospf add vlan x_1 area 10.0.0.0 <BR /> configure ospf vlan x_1 priority 10<BR /> configure ospf add vlan x_3 area 10.0.0.0 <BR /> configure ospf vlan Default priority 0<BR /> configure ospf add vlan Interlink area 0.0.0.0 <BR /> configure ospf vlan Interlink priority 0<BR /> <BR /> Swicth02<BR /> =======<BR /> X_2 235 x.x.x.x /30 -f-------o--------------B---- ANY 1 /1 VR-Default <BR /> x_4 236 x.x.x.x /30 -f-------o------------------- ANY 1 /1 VR-Default <BR /> <BR /> Interlink 338 x.x.x.x /30 -f-------o------------------- ANY 1 /1 VR-Default <BR /> <BR /> Neighbor ID Pri State Up/Dead Time Address Interface<BR /> BFD Session State <BR /> ==========================================================================================<BR /> x.x.x.x 0 FULL /DROTHER 01:14:30:23/00:00:00:00 x.x.x.x X_2 <BR /> None <BR /> <BR /> x.x.x.x 0 FULL /DROTHER 01:14:39:49/00:00:00:06 x.x.x.x X_4 <BR /> None <BR /> <BR /> X.X.X.X 1 FULL /DR 01:14:47:43/00:00:00:08 X.X.X.X Interlink <BR /> None <BR /> <BR /> Total number of neighbors: 3 (All neighbors in Full state)<BR /> <BR /> Mon, 30 Jan 2017 19:34:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/packet-loss-on-directly-connected-node/m-p/26188#M3452 waqas 2017-01-30T19:34:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/packet-loss-on-directly-connected-node/m-p/26189#M3453 Hi Waqas,<BR /> <BR /> Could you please let us know the platform, Exos version, port numbers, sharing algorithm, traffic details, OSPF status at the time of issue? <BR /> <BR /> Also how you are confirming there is a packet loss. <BR /> <BR /> Tue, 31 Jan 2017 12:09:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/packet-loss-on-directly-connected-node/m-p/26189#M3453 Naresh 2017-01-31T12:09:00Z