Event | Running | ADJ suppressed |
---|---|---|
RX PR |
Update Holding Time Send PA |
|
RX PR clr and RR clr |
Restore Holding Time to local value |
|
RX RR |
Send RA Set SRM, send CSNP ( Update Holding Time, set Restart Mode ( |
|
RX RR clr | Clr Restart mode | |
RX SA |
Goto ADJ Suppressed |
|
RX SA clr |
Goto Running |
Event | Restarting | ADJ Seen RA | ADJ Seen CSNP | SPF Wait |
---|---|---|---|---|
Restart planned | Send PR | |||
Planned restart canceled | Send PR clr | |||
RX PA | Proceed with planned restart | |||
Router restarts |
ADJ Init Start T1, T2, T3 |
|||
RX RR | Send RA | |||
RX RA |
Goto ADJ Seen RA |
Adjust T3 |
||
RX CSNP set | Goto ADJ Seen CSNP | Cancel T1 | ||
RX IIH w/o Restart TLV | Cancel T1 (Point-to-point only) | |||
T1 expires |
Restart T1 |
Restart T1 |
Restart T1 |
|
T1 expires nth time | Send IIH/normal | Send IIH/normal | Send IIH/normal | |
T2 expires |
Goto SPF Wait |
|||
T3 expires |
Flood local LSPs Update fwd plane |
|||
LSP DB Sync |
Trigger SPF Goto SPF wait |
|||
All SPF done |
Update fwd plane Flood local LSPs Goto Running |
Event | Starting | ADJ Seen RA | ADJ Seen CSNP |
---|---|---|---|
Router starts |
Start T1 and T2 |
||
RX RR | Send RA | ||
RX RA | Goto ADJ Seen RA | Cancel T1 | |
RX CSNP Set | Goto ADJ Seen CSNP | Cancel T1 | |
RX IIH w no Restart TLV | Cancel T1 (Point-to-Point only) | ||
ADJ UP |
Send local LSPs with overload bit set |
||
T1 expires |
Restart T1 |
Restart T1 |
Restart T1 |
T1 expires nth time | Send IIH/SA | Send IIH/SA | Send IIH/SA |
T2 expires |
Send IIH normal Goto Running |
||
LSP DB Sync |
Clear overload bit Send IIH normal |
Type | Description | IIH | LSP | SNP | Purge |
---|---|---|---|---|---|
211 | Restart TLV | y | n | n | n |