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Restructured format for the following CLI commands:
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1) show ecmp fg-nhg-active-hops <fg-nhg-group-name>
2) show ecmp fg-nhg-hash-view <fg-nhg-group-name>

Also have added description about <fg-nhg-group-name> param
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@kktheballer
kktheballer committed Dec 21, 2020
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131 changes: 98 additions & 33 deletions doc/ecmp/fine_grained_next_hop_hld.md
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Original file line number Diff line number Diff line change
Expand Up @@ -191,49 +191,114 @@ 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 ecmp fg-nhg-hash-view <fg-nhg-group-name> (shows the current hash bucket view of fg nhg)
show ecmp fg-nhg-active-hops <fg-nhg-group-name> (shows which set of next-hops are active)
```

### 2.3.1 CLI 'show fg-nhg-hash-view' Output Format
### 2.3.1 CLI 'show ecmp fg-nhg-hash-view <fg-nhg-group-name>' Output Format
```
Next-Hop-Key Hash Bucket #
-------------- -----------------------------------------------------------------------------------------------------------------------
200.200.200.1 [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]
200.200.200.2 [47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63]
200.200.200.3 [24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39]
...
```

### 2.3.2 CLI 'show fg-nhg-active-hops' Output Format
```
Active-Hops
--------------
200.200.200.1
200.200.200.2
200.200.200.3
...
NOTE: <fg-nhg-group-name> is an optional parameter containing the user-defined alias of nhg ipv4 or nhg ipv6
found in 'FG_NHG_PREFIX' section of config dB. If specified, the output will display either ipv4 next hops and banks
or ipv6 next hops and banks accordingly. If it is not specified, by default both ipv4 and ipv6 next hops and banks
are displayed as shown below:
+-----------------------------+--------------------+------------+
| FG_NHG_PREFIX | Active Next Hops | Bank Ids |
+=============================+====================+============+
| NHG_PREFIX: 100.50.25.12/32 | 200.200.200.4 | 0 |
| | | 1 |
| | | 2 |
| | | 3 |
| | | 4 |
| | | 5 |
| | | 6 |
| | | 7 |
| | | 8 |
| | | 9 |
| | | 10 |
| | | 11 |
| | | 12 |
| | | 13 |
| | | 14 |
| | | 15 |
+-----------------------------+--------------------+------------+
| NHG_PREFIX: 100.50.25.12/32 | 200.200.200.5 | 16 |
| | | 17 |
| | | 18 |
| | | 19 |
| | | 20 |
| | | 21 |
| | | 22 |
| | | 23 |
| | | 24 |
| | | 25 |
| | | 26 |
| | | 27 |
| | | 28 |
| | | 29 |
| | | 30 |
| | | 31 |
+-----------------------------+--------------------+------------+
| NHG_PREFIX: fc:5::/128 | 200:200:200:200::4 | 0 |
| | | 1 |
| | | 2 |
| | | 3 |
| | | 4 |
| | | 5 |
| | | 6 |
| | | 7 |
| | | 8 |
| | | 9 |
| | | 10 |
| | | 11 |
| | | 12 |
| | | 13 |
| | | 14 |
| | | 15 |
+-----------------------------+--------------------+------------+
| NHG_PREFIX: fc:5::/128 | 200:200:200:200::5 | 16 |
| | | 17 |
| | | 18 |
| | | 19 |
| | | 20 |
| | | 21 |
| | | 22 |
| | | 23 |
| | | 24 |
| | | 25 |
| | | 26 |
| | | 27 |
| | | 28 |
| | | 29 |
| | | 30 |
| | | 31 |
+-----------------------------+--------------------+------------+
```

### 2.3.3 CLI 'show fg-nhg-group' Output Format
### 2.3.2 CLI 'show ecmp fg-nhg-active-hops' Output Format
```
NHG_PREFIX:
fc:5::/128
Hash Bucket Size:
128
NOTE: 'fg-nhg-group-name' is an optional parameter containing the user-defined alias of nhg ipv4 or nhg ipv6
found in 'FG_NHG_PREFIX' section of config dB. If specified, the output will display either ipv4 active next hops
or ipv6 active next hops accordingly. If it is not specified, by default both ipv4 and ipv6 active next hops
are displayed as shown below:
+-----------------------------+--------------------+
| FG_NHG_PREFIX | Active Next Hops |
+=============================+====================+
| NHG_PREFIX: 100.50.25.12/32 | 200.200.200.4 |
| | 200.200.200.5 |
+-----------------------------+--------------------+
| NHG_PREFIX: fc:5::/128 | 200:200:200:200::4 |
| | 200:200:200:200::5 |
+-----------------------------+--------------------+
Next-Hop-Key Hash Bucket #
------------------ -------------------------------------------------------------------------------------
200:200:200:200::1 [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]
200:200:200:200::2 [47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63]
200:200:200:200::3 [24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39]
...
```


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


## 2.4 Orchestration Agent
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