[j-nsp] EX4200 BPDU on access port

Doug Hanks dhanks at juniper.net
Tue Mar 22 18:51:38 EDT 2011


All the edge knob does is transition the port directly to the FWD state.

{master:0}[edit]
dhanks at EX4500-2# run show spanning-tree interface xe-0/0/38

Spanning tree interface parameters for instance 0

Interface    Port ID    Designated      Designated         Port    State  Role
                         port ID        bridge ID          Cost
xe-0/0/38.0    128:551      128:551  32768.50c58ea24540      2000  FWD    ROOT

{master:0}[edit]
dhanks at EX4500-2# set protocols rstp interface xe-0/0/38 edge

{master:0}[edit]
dhanks at EX4500-2# commit
configuration check succeeds commit complete

{master:0}[edit]
dhanks at EX4500-2# run show spanning-tree interface xe-0/0/38

Spanning tree interface parameters for instance 0

Interface    Port ID    Designated      Designated         Port    State  Role
                         port ID        bridge ID          Cost
xe-0/0/38.0    128:551      128:551  32768.50c58ea24540      2000  FWD    ROOT

{master:0}[edit]
dhanks at EX4500-2#

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Pavel Dimow
Sent: Tuesday, March 22, 2011 3:11 PM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] EX4200 BPDU on access port

Hi,

I have strange situation where my customer receives bpdu's on his
cisco switch from my ex4200 despite the fact that I have configured my
port as access (default in JUNOS)
and as edge on rstp configuration. Is this normal or I don't have luck
with 10.3 version?
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