Verification
The show outputs given in the following section display the details of the configuration of the BLB feature,
and the status of their configuration.
/* Verify the BFD session summary information. */
RP/0/RSP0/CPU0:router# show bfd session
Interface Dest Addr Local det time(int*mult) State Echo Async
H/W NPU
------------------- --------------- ---------------- ---------- ------ ------ ------
---- ---
BE2.1 10.158.1.2 0s(0s*0) 900ms(300ms*3) UP Yes
0/6/CPU0
BE2.2 10.158.2.2 0s(0s*0) 900ms(300ms*3) UP Yes
0/6/CPU0
/* Verify the BFD session detail information for the specified interface. */
RP/0/RSP0/CPU0:router# show bfd session detail interface Bundle-Ether 2.1
I/f: Bundle-Ether2.1, Location: 0/6/CPU0
Dest: 10.158.1.2
Src: 10.158.1.1
State: UP for 0d:21h:35m:54s, number of times UP: 1
Session type: SW/V4/SH/BL
Received parameters:
Version: 1, desired tx interval: 300 ms, required rx interval: 300 ms
Required echo rx interval: 0 ms, multiplier: 3, diag: None
My discr: 12584150, your discr: 845, state UP, D/F/P/C/A: 0/0/0/1/0
Transmitted parameters:
Version: 1, desired tx interval: 300 ms, required rx interval: 300 ms
Required echo rx interval: 0 ms, multiplier: 3, diag: None
My discr: 845, your discr: 12584150, state UP, D/F/P/C/A: 0/1/0/1/0
Timer Values:
Local negotiated async tx interval: 300 ms
Remote negotiated async tx interval: 300 ms
Desired echo tx interval: 0 s, local negotiated echo tx interval: 0 ms
Echo detection time: 0 ms(0 ms*3), async detection time: 900 ms(300 ms*3)
Label:
Internal label: 64119/0xfa77
Local Stats:
Intervals between async packets:
Tx: Number of intervals=3, min=160 ms, max=726 ms, avg=385 ms
Last packet transmitted 77754 s ago
Rx: Number of intervals=4, min=100 ms, max=270 ms, avg=183 ms
Last packet received 77753 s ago
Intervals between echo packets:
Tx: Number of intervals=0, min=0 s, max=0 s, avg=0 s
Last packet transmitted 0 s ago
Rx: Number of intervals=0, min=0 s, max=0 s, avg=0 s
Last packet received 0 s ago
Latency of echo packets (time between tx and rx):
Number of packets: 0, min=0 ms, max=0 ms, avg=0 ms
MP download state: BFD_MP_DOWNLOAD_ACK
State change time: Dec 14 18:38:06.721
Session owner information:
Desired Adjusted
Client Interval Multiplier Interval Multiplier
-------------------- --------------------- ---------------------
Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.x
225
Implementing BFD
Verification
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