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Updating PVST HLD document #527

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84c0bcb
This document provides high level design details for SONiC PVST feature
sandeep-kulambi May 17, 2019
2ce4ed7
This document provides high level design details for SONiC PVST feature
sandeep-kulambi Jul 9, 2019
631ab18
PVST HLD minor updates
sandeep-kulambi Nov 4, 2019
66d2370
Updating the PVST HLD document
sandeep-kulambi Nov 26, 2019
55b26f9
Merge branch 'master' into pvst_hld
sandeep-kulambi Nov 26, 2019
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29 changes: 17 additions & 12 deletions doc/stp/SONiC_PVST_HLD.md
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Expand Up @@ -3,6 +3,7 @@ PVST
# High Level Design Document
#### Rev 1.0


# Table of Contents
* [List of Tables](#list-of-tables)
* [Revision](#revision)
Expand Down Expand Up @@ -47,6 +48,8 @@ PVST
| 0.2 | 05/02/2019 | Sandeep, Praveen | Incorporated Review comments |
| 0.3 | 06/25/2019 | Sandeep, Praveen | Incorporated Review comments |
| 1.0 | 10/15/2019 | Sandeep, Praveen | Minor changes post implementation |
| 1.1 | 11/26/2019 | Sandeep, Praveen | Change table names from INTF to PORT |



# About this Manual
Expand Down Expand Up @@ -163,17 +166,17 @@ Following config DB schemas are defined for supporting this feature.
priority = 5*DIGIT ; bridge priority (0 to 61440, DEF:32768)
enabled = "true"/"false" ; spanning-tree is enabled or not

### STP_VLAN_INTF_TABLE
;Stores STP interface details per VLAN
### STP_VLAN_PORT_TABLE
;Stores STP port details per VLAN
;Status: work in progress
key = STP_VLAN_INTF|"Vlan"vlanid|ifname ; VLAN+Intf with prefix "STP_VLAN_INTF" ifname can be physical or port-channel name
key = STP_VLAN_PORT|"Vlan"vlanid|ifname ; VLAN+Port with prefix "STP_VLAN_PORT" ifname can be physical or port-channel name
path_cost = 9*DIGIT ; port path cost (1 to 200000000)
priority = 3*DIGIT ; port priority (0 to 240, DEF:128)

### STP_INTF_TABLE
;Stores STP interface details
### STP_PORT_TABLE
;Stores STP port details
;Status: work in progress
key = STP_INTF|ifname ; ifname with prefix STP_INTF, ifname can be physical or port-channel name
key = STP_PORT|ifname ; ifname with prefix STP_PORT, ifname can be physical or port-channel name
enabled = BIT ; is the STP on port enabled (1) or disabled (0)
root_guard = BIT ; is the root guard on port enabled (1) or disabled (0)
bpdu_guard = BIT ; is the bpdu guard on port enabled (1) or disabled (0)
Expand Down Expand Up @@ -205,10 +208,11 @@ Following config DB schemas are defined for supporting this feature.
root_forward_delay = 1*2DIGIT ; forward delay as per root bridge
stp_instance = 1*4DIGIT ; STP instance for this VLAN

### STP_VLAN_INTF_TABLE
;Stores STP VLAN interface details

### STP_VLAN_PORT_TABLE
;Stores STP VLAN port details
;Status: work in progress
key = STP_VLAN_INTF:"Vlan"vlanid:ifname ; VLAN+Intf with prefix "STP_VLAN_INTF"
key = STP_VLAN_PORT:"Vlan"vlanid:ifname ; VLAN+Port with prefix "STP_VLAN_PORT"
port_num = 1*3DIGIT ; port number of bridge port
path_cost = 1*9DIGIT ; port path cost (1 to 200000000)
priority = 3*DIGIT ; port priority (0 to 240, DEF:128)
Expand All @@ -224,10 +228,11 @@ Following config DB schemas are defined for supporting this feature.
tcn_received = 1*10DIGIT ; tcn received
root_guard_timer = 1*3DIGIT ; root guard current timer value

### STP_INTF_TABLE
;Stores STP interface details

### STP_PORT_TABLE
;Stores STP port details
;Status: work in progress
key = STP_INTF:ifname ; ifname with prefix STP_INTF, ifname can be physical or port-channel name
key = STP_PORT:ifname ; ifname with prefix STP_PORT, ifname can be physical or port-channel name
bpdu_guard_shutdown = "yes" / "no" ; port disabled due to bpdu-guard
port_fast = "yes" / "no" ; port fast is enabled or not

Expand Down