次の項に示す show 出力には、BFD 透過性の設定の詳細とその設定のステータスが表示されます。
/* Verify if the BFD session is up, and the timers are configured. */
RP/0/RP0/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/RP0/CPU0 Yes 0/RP0/CPU0
/* Verify if the BFD session is up and check the timer value, numbers of hellos exchanged, and information
about last packet. */
RP/0/RP0/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/RP0/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
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
Session owner information:
Desired Adjusted
Client Interval Multiplier Interval Multiplier
-------------------- --------------------- ---------------------
bgp-default 10 ms 2 10 ms 2
H/W Offload Info:
H/W Offload capability : Y, Hosted NPU : 0/RP0/CPU0
Async Offloaded : Y, Echo Offloaded : N
Async rx/tx : 344/209
Platform Info:
NPU ID: 0
Async RTC ID : 1 Echo RTC ID : 0
Async Feature Mask : 0x0 Echo Feature Mask : 0x0
Async Session ID : 0xfb Echo Session ID : 0x0
Async Tx Key : 0x800000fb Echo Tx Key : 0x0
Async Tx Stats addr : 0x0 Echo Tx Stats addr : 0x0
Async Rx Stats addr : 0x0 Echo Rx Stats addr : 0x0
/* Verify the complete history including session state, type, transitions, offload history, last down reason if any,
received and transmitted packets, rx/tx intervals, location, timestamp, and local and remote descriptors. */
RP/0/RP0/CPU0:router# show bfd session status history destination 10.1.10.1 location 0/RP0/CPU0
Thu Jan 4 03:45:18.768 UTC
I/f: TenGigE0/0/0/4.10, Location: 0/RP0/CPU0 table_id:0xe0000000
State: UP, flags:0x80040
Iftype: 0x19, basecaps: 107
Async dest addr: 10.1.10.1
Async src addr: 10.1.10.2
Echo dest addr: 10.1.10.2
Echo src addr: 192.0.2.1
Additional info from Flags:
FIB is READY
Session Active on 0/RP0/CPU0
Platform Info: 0x0, Mac Length: 18
Redundancy session info:
Created from active BFD server
Last Down Diag: None
Last UP Time: Jan 4 03:00:19.272
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: 2147483747, your discr: 2147483751, 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: 2147483751, your discr: 2147483747, state UP, D/F/P/C/A: 0/1/0/1/0
Tx Echo pkt :
Version: 0, Local Discr: 2147483751, Sequence No: 0
History:
[Jan 4 03:00:19.272] Session (v1) state change, triggered by event 'Remote
state init', from INIT to UP with current diag being None
[Jan 4 03:00:16.851] Session (v1) state change, triggered by event 'Remote
state down', from DOWN to INIT with current diag being None
[Jan 4 03:00:16.509] Session (v1) state change, triggered by event 'Session
create', from Unknown to DOWN with current diag being None
[Jan 4 03:00:16.509] Flag cleared: session creation is in-progress, currently
set flags (0x80040)
Offload history:
[Jan 4 03:06:42.013] Packet punted to sw: Packet word0 : (0x20c80218),
desired_min_tx_interval 10000, required_min_rx_interval 10000, Last punted pkt
required_min_rx_interval 10000
[Jan 4 03:06:42.003] Packet punted to sw: Packet word0 : (0x20d80218),
desired_min_tx_interval 10000, required_min_rx_interval 10000, Last punted pkt
required_min_rx_interval 10000
[Jan 4 03:06:41.989] Packet punted to sw: Packet word0 : (0x20c80218),
desired_min_tx_interval 10000, required_min_rx_interval 10000, Last punted pkt
required_min_rx_interval 10000
[Jan 4 03:06:41.980] Packet punted to sw: Packet word0 : (0x20d80218),
desired_min_tx_interval 10000, required_min_rx_interval 10000, Last punted pkt
required_min_rx_interval 10000
Rx Counters and Timestamps :
Async valid packets received: count 5280
[Jan 4 03:06:42.013] [Jan 4 03:06:42.003] [Jan 4 03:06:41.989]
Async valid packets while session is not in Up state: count 3
[Jan 4 03:00:19.272] [Jan 4 03:00:18.030] [Jan 4 03:00:16.851]
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