BFD and MPLS ping on LDP's LSP
Jean-luc KRIKER
Owned by Jean-luc KRIKER
https://www.youtube.com/watch?v=Hyp2OzDM7vI
| show configuration protocols ldp |
Tunnel LDP and BFD config Expand source
root@ACX5048-R103> show configuration protocols ldp
interface ge-0/0/0.0;
interface lo0.0;
oam {
fec 10.99.92.177/32;
bfd-liveness-detection {
minimum-interval 300;
}
lsp-ping-interval 30;
}
root@ACX5048-R203> show configuration protocols ldp
interface ge-0/0/0.0;
interface xe-0/0/46.0;
interface lo0.0;
oam {
fec 10.99.92.95/32;
bfd-liveness-detection {
minimum-interval 300;
}
lsp-ping-interval 30;
}
|
| show bfd session |
2x bfd session ( one in each direction)Â Expand source
{master:0}
root@ACX5048-R103> show lldp neighbors
Local Interface Parent Interface Chassis Id Port info System Name
ge-0/0/0 - 0c:86:10:32:0d:00 503 ACX5048-R203
root@ACX5048-R103> show bfd session
Detect Transmit
Address State Interface Time Interval Multiplier
10.99.92.177 Up 0.900 0.300 3
127.0.0.64 Up ge-0/0/0.0 0.900 0.300 3
2 sessions, 2 clients
Cumulative transmit rate 6.7 pps, cumulative receive rate 6.7 pps
{master:0}
root@ACX5048-R203> show bfd session
Detect Transmit
Address State Interface Time Interval Multiplier
10.99.92.95 Up 0.900 0.300 3
127.0.0.64 Up ge-0/0/0.0 0.900 0.300 3
2 sessions, 2 clients
Cumulative transmit rate 6.7 pps, cumulative receive rate 6.7 pps
{master:0}
root@ACX5048-R203> show bfd session detail
Detect Transmit
Address State Interface Time Interval Multiplier
10.99.92.95 Up 0.900 0.300 3
Client LDP-OAM, TX interval 0.050, RX interval 0.050
Session up time 00:19:59, previous down time 00:00:03
Local diagnostic None, remote diagnostic None
Remote state Up, version 1
Session type: Multi hop BFD
Detect Transmit
Address State Interface Time Interval Multiplier
127.0.0.64 Up ge-0/0/0.0 0.900 0.300 3
Client LDP-OAM, TX interval 0.300, RX interval 0.300
Session up time 00:19:59, previous down time 00:00:03
Local diagnostic None, remote diagnostic None
Remote state Up, version 1
Session type: Multi hop BFD
2 sessions, 2 clients
Cumulative transmit rate 6.7 pps, cumulative receive rate 6.7 pps
|
show route table inet.3 ping mpls ldp <fec> |
mpls lsp ping : echo request Expand source
{master:0}
root@ACX5048-R103> show route table inet.3
inet.3: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
10.99.92.177/32 *[LDP/9] 3d 03:41:00, metric 1
> to 10.99.70.177 via ge-0/0/0.0
{master:0}
root@ACX5048-R103> show route table inet.3 detail
inet.3: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
10.99.92.177/32 (1 entry, 1 announced)
State: <FlashAll>
*LDP Preference: 9
Next hop type: Router, Next hop index: 0
Address: 0xca31db0
Next-hop reference count: 3
Next hop: 10.99.70.177 via ge-0/0/0.0, selected
Label element ptr: 0xcbda678
Label parent element ptr: 0x0
Label element references: 1
Label element child references: 0
Label element lsp id: 0
Session Id: 0x0
State: <Active Int>
Local AS: 65100
Age: 3d 4:13:05 Metric: 1
Validation State: unverified
Task: LDP
Announcement bits (1): 2-Resolve tree 1
AS path: I
{master:0}
root@ACX5048-R103> ping mpls ldp 10.99.92.177
!!!!!
--- lsping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
mpls lsp ping Expand source
{master:0}
root@ACX5048-R203> ping mpls ldp 10.99.92.95 detail
Request for seq 1, to interface 550, no label stack., packet size 80
Reply for seq 1, return code: Egress-ok, time: 425417.211 ms
Local transmit time: 2019-01-21 15:05:33 GMT 717.413 ms
Remote receive time: 2019-01-21 15:12:39 GMT 134.624 ms
Request for seq 2, to interface 550, no label stack., packet size 80
Reply for seq 2, return code: Egress-ok, time: 425418.669 ms
Local transmit time: 2019-01-21 15:05:34 GMT 714.967 ms
Remote receive time: 2019-01-21 15:12:40 GMT 133.636 ms
Request for seq 3, to interface 550, no label stack., packet size 80
Reply for seq 3, return code: Egress-ok, time: 425417.673 ms
Local transmit time: 2019-01-21 15:05:35 GMT 715.941 ms
Remote receive time: 2019-01-21 15:12:41 GMT 133.614 ms
Request for seq 4, to interface 550, no label stack., packet size 80
Reply for seq 4, return code: Egress-ok, time: 425419.689 ms
Local transmit time: 2019-01-21 15:05:36 GMT 723.916 ms
Remote receive time: 2019-01-21 15:12:42 GMT 143.605 ms
Request for seq 5, to interface 550, no label stack., packet size 80
Reply for seq 5, return code: Egress-ok, time: 425418.444 ms
Local transmit time: 2019-01-21 15:05:37 GMT 716.271 ms
Remote receive time: 2019-01-21 15:12:43 GMT 134.715 ms
--- lsping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
{master:0}
root@ACX5048-R203>
|
| et protocols ldp oam ingress-policy ldp-oam |
policy Expand source
{master:0}
root@ACX5048-R103> show configuration policy-options
policy-statement ldp-oam {
term 10 {
from {
route-filter 10.99.92.0/24 prefix-length-range /32-/32 accept;
}
}
}
{master:0}
root@ACX5048-R103> show configuration policy-options | display set
set policy-options policy-statement ldp-oam term 10 from route-filter 10.99.92.0/24 prefix-length-range /32-/32 accept
root@ACX5048-R103> show configuration protocols ldp
interface ge-0/0/0.0;
interface lo0.0;
oam {
ingress-policy ldp-oam; <<<<<<<<<<<<< Applied here
bfd-liveness-detection {
minimum-interval 300;
}
lsp-ping-interval 30;
}
{master:0}
root@ACX5048-R103>
|