This command displays statistics of missed hello packets.
| session-id | Display statistics for sessions having session ID within the given range. |
| first | Only or first of range of session |
| last | Last of range of session ID. |
| ipaddress | Specify IPv4 or IPv6 Destination address. |
| vr | Virtual router. |
| vrname | Virtual router name. |
| all | All virtual routers. |
| detail | Detailed view of statistics. |
| no-refresh | Page by page display without continuous refresh. |
| refresh | Continuous refresh of output. |
Refresh.
You can select the sessions by either neighbor IP address, by range of session IDs, by VR or display all the available sessions. Display selection by session ID is useful if the neighbor IP is link-local and VLAN name is long (i.e. close to 32 characters).
The following example displays summary view with the refresh option.
# show bfd session counters missed-hellos
===============================================================================
Neighbor Session ID Number Of Misses
1 2 2+
===============================================================================
fe80::204:96ff:fe7e:c2f%test 251 15 8 7
fe80::204:96ff:fe7e:c2f%verify 252 10 6 4
50.0.0.1 300 >9999 >9999 >9999
This command was first available in ExtremeXOS 21.1.
This command is available on ExtremeSwitching X440-G2, X450-G2, X460-G2, X465, X590, X620, X690, and X695 series switches.