Cisco NCS 5500 Series

router bgp 100
bgp router-id 10.10.10.1
address-family ipv4 unicast
!
address-family ipv4 unicast
neighbor 192.0.2.1
remote-as 100
bfd fast-detect
bfd multiplier 2
bfd minimum-interval 10
update-source TenGigE0/0/0/16.1
Verification
The show outputs given in the following section display the details of the configuration of the BFD transparency,
and the status of their configuration.
/* Verify if the BFD session is up, and the timers are configured. */
RP/0/RSP0/CPU0:router# show bfd session
Thu Jan 4 03:07:15.529 UTC
Interface Dest Addr Local det time(int*mult) State Echo Async H/W NPU
-------------- ---------- ------------------------ -------- ---- ----- ---
----
Te0/0/0/4.1 10.1.1.1 0s(0s*0) 20ms(10ms*2) UP Yes 0/0/CPU0
Yes 0/0/CPU0
/* Verify if the BFD session is up and check the timer value, numbers of hellos exchanged,
and information
about last packet. */
RP/0/RSP0/CPU0:router# show bfd session destination 10.1.1.1 detail
Thu Jan 4 03:09:48.573 UTC
I/f: TenGigE0/0/0/4.1, Location: 0/0/CPU0
Dest: 10.1.1.1
Src: 10.1.1.2
State: UP for 0d:0h:9m:27s, number of times UP: 1
Session type: PR/V4/SH
Received parameters:
Version: 1, desired tx interval: 10 ms, required rx interval: 10 ms
Required echo rx interval: 0 ms, multiplier: 2, diag: None
My discr: 2147483898, your discr: 2147483899, state UP, D/F/P/C/A: 0/0/0/1/0
Transmitted parameters:
Version: 1, desired tx interval: 10 ms, required rx interval: 10 ms
Required echo rx interval: 0 ms, multiplier: 2, diag: None
My discr: 2147483899, your discr: 2147483898, state UP, D/F/P/C/A: 0/1/0/1/0
Timer Values:
Local negotiated async tx interval: 10 ms
Remote negotiated async tx interval: 10 ms
Desired echo tx interval: 0 s, local negotiated echo tx interval: 0 ms
Echo detection time: 0 ms(0 ms*2), async detection time: 20 ms(10 ms*2)
Local Stats:
Intervals between async packets:
Tx: Number of intervals=100, min=6 ms, max=6573 ms, avg=1506 ms
Last packet transmitted 186 s ago
Rx: Number of intervals=100, min=4 ms, max=5 s, avg=575 ms
Last packet received 184 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
Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.x
220
Implementing BFD
Verification