local status code : 0x0
remote AC OAM state : up
remote PSN state : up
remote forwarding state: forwarding
remote status code : 0x0
Dynamic BFD for PW : available
Detect Multipier : 3
Min Transit Interval : 100
Max Receive Interval : 100
Dynamic BFD Session : built
BFD for PW : available
BFD sessionIndex : 256 BFD state : up
manual fault : not set
active state : active
forwarding entry : exist
link state : up
local VC MTU : 4470 remote VC MTU : 4470
local VCCV : cw alert lsp-ping bfd
remote VCCV : cw alert lsp-ping bfd
local control word : enable remote control word : enable
tunnel policy : --
traffic behavior : --
PW template name : pwt
primary or secondary : primary
VC tunnel/token info : 1 tunnels/tokens
NO.0 TNL type : lsp , TNL ID : 0x20023
create time : 0 days, 0 hours, 24 minutes, 0 seconds
up time : 0 days, 0 hours, 15 minutes, 0 seconds
last change time : 0 days, 0 hours, 15 minutes, 0 seconds
VC last up time : 2010-11-26 08:25:38
VC total up time : 0 days, 2 hours, 12 minutes, 51 seconds
CKey : 16
NKey : 15
PW redundancy mode : --
AdminPw interface : --
AdminPw link state : --
# Run the display bfd session all verbose command on U-PEs to view the status of the BFD
session. You can find that the BFD session is Up, the BFD session is bound to a PW, and the
type of the BFD session is dynamic.
Take the display on U-PE1 for example.
<U-PE1> display bfd session all verbose
--------------------------------------------------------------------------------
Session MIndex : 256 (One Hop) State : Up Name : dyn_8192
--------------------------------------------------------------------------------
Local Discriminator : 8192 Remote Discriminator : 8192
Session Detect Mode : Asynchronous Mode Without Echo Function
BFD Bind Type : PW(Master)
Bind Session Type : Dynamic
Bind Peer Ip Address : --.--.--.--
NextHop Ip Address : --.--.--.--
Bind Interface : Vlanif10
FSM Board Id : 1 TOS-EXP : 6
Min Tx Interval (ms) : 100 Min Rx Interval (ms) : 100
Actual Tx Interval (ms): 2800 Actual Rx Interval (ms): 2800
Local Detect Multi : 3 Detect Interval (ms) : --
Echo Passive : Disable Acl Number : --
Proc interface status : Disable Process PST : Enable
WTR Interval (ms) : -- Local Demand Mode : Disable
Last Local Diagnostic : No Diagnostic
Bind Application : L2VPN | OAM_MANAGER | MPLSFW
Session TX TmrID : -- Session Detect TmrID : --
Session Init TmrID : -- Session WTR TmrID : --
Session Echo Tx TmrID : --
PDT Index : FSM-0 | RCV-0 | IF-0 | TOKEN-0
Session Description : --
--------------------------------------------------------------------------------
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 6 PWE3 Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
654