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Proposed ECMP Next Hop CLI Show Cmd Output Format #659

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Jan 20, 2021
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Proposed ECMP Next Hop CLI Show Cmd Output Format #659

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a93dc72
Proposed ECMP Next Hop CLI Show Cmd Output Format
kktheballer Aug 11, 2020
5c4151a
Adding CLI output format for show-nhg-group
kktheballer Aug 18, 2020
9d6284d
Restructured format for the following CLI commands:
kktheballer Sep 8, 2020
7f21fff
Modifying Command Syntax and Output Table Column Values
kktheballer Oct 13, 2020
d331f5f
Minor updates to fgnhg CLI command output syntax
kktheballer Dec 21, 2020
0e1821c
Minor revision to command param description
kktheballer Dec 21, 2020
d8c3480
Minor title formatting to command format section
kktheballer Dec 27, 2020
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111 changes: 106 additions & 5 deletions doc/ecmp/fine_grained_next_hop_hld.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# SONiC Fine Grained ECMP
# High Level Design Document
### Rev 1.2
### Rev 1.3

# Table of Contents
* [List of Tables](#list-of-tables)
Expand Down Expand Up @@ -39,7 +39,8 @@
| 0.1 | 04/24/2020 | Anish Narsian | Initial version |
| 1.0 | 05/22/2020 | Anish Narsian | Incorporated review comments |
| 1.1 | 05/26/2020 | Anish Narsian | Add test plan |
| 1.2 | 10/23/2020 | Anish Narsian | Interface nh oper state handler |
| 1.2 | 10/21/2020 | Kavin Kamaraj | Add fgnhg CLI output format |
| 1.3 | 10/23/2020 | Anish Narsian | Interface nh oper state handler |


# About this Manual
Expand Down Expand Up @@ -191,11 +192,111 @@ CLI commands:
config fg nhg prefix <add/del> <fg-nhg-group-name> <prefix>
config fg nhg member <add/del> <fg-nhg-group-name> <next-hop-ip>
show fg nhg group <fg-nhg-group-name/all>
show fg nhg hash-view <fg-nhg-group-name> (shows the current hash bucket view of fg nhg)
show fg nhg active-hops <fg-nhg-group-name> (shows which set of next-hops are active)
show fgnhg hash-view <fg-nhg-group-name> (shows the current hash bucket view of fg nhg)
show fgnhg active-hops <fg-nhg-group-name> (shows which set of next-hops are active)
```
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Can we also add details about cli output for 'show fg nhg group'?


Show CLI commands of ```show fg nhg hash-view``` and ```show fg nhg active-hops``` are implemented as a view of the state db table described in section 2.2
### 2.3.1 CLI 'show fgnhg hash-view {fg-nhg-group-name}' Output Format
```
NOTE: {fg-nhg-group-name} is an optional parameter containing the user-defined alias of the FG_NHG group name
found in the 'FG_NHG_PREFIX' section of config dB. If specified, the output will display active next hops
from the specified group. If it is not specified, by default, active next hops from all groups are displayed
as shown below:
+-----------------+--------------------+----------------+
| FG_NHG_PREFIX | Next Hop | Hash buckets |
+=================+====================+================+
| 100.50.25.12/32 | 200.200.200.4 | 0 |
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+-----------------+--------------------+----------------+
| 100.50.25.12/32 | 200.200.200.5 | 16 |
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+-----------------+--------------------+----------------+
| fc:5::/128 | 200:200:200:200::4 | 0 |
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+-----------------+--------------------+----------------+
| fc:5::/128 | 200:200:200:200::5 | 16 |
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+-----------------+--------------------+----------------+
```

### 2.3.2 CLI 'show fgnhg active-hops {fg-nhg-group-name}' Output Format
```
NOTE: {fg-nhg-group-name} is an optional parameter containing the user-defined alias of the FG_NHG group name
found in the 'FG_NHG_PREFIX' section of config dB. If specified, the output will display active next hops
from the specified group. If it is not specified, by default, active next hops from all groups are displayed
as shown below:
+-----------------+--------------------+
| FG_NHG_PREFIX | Active Next Hops |
+=================+====================+
| 100.50.25.12/32 | 200.200.200.4 |
| | 200.200.200.5 |
+-----------------+--------------------+
| fc:5::/128 | 200:200:200:200::4 |
| | 200:200:200:200::5 |
+-----------------+--------------------+
```


Show CLI commands of ```show fgnhg hash-view``` and ```show fgnhg active-hops``` are implemented as a view of the state db table described in section 2.2


## 2.4 Orchestration Agent
Expand Down