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It should be possible to send the gathered data via a VRF bound interface to
the collector. This is somehow related to T3981 but it's the opposite side of
the netflow process.
set system flow-accounting vrf <name>
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Since introducing the XML <defaultValue> node it was common, but redundant,
practice to also add a help string indicating which value would be used as
default if the node is unset.
This makes no sense b/c it's duplicated code/value/characters and prone to
error. The node.def scripts should be extended to automatically render the
appropriate default value into the CLI help string.
For e.g. SSH the current PoC renders:
$ cat templates-cfg/service/ssh/port/node.def
multi:
type: txt
help: Port for SSH service (default: 22)
val_help: u32:1-65535; Numeric IP port
...
Not all subsystems are already migrated to get_config_dict() and make use of
the defaults() call - those subsystems need to be migrated, first before the new
default is added to the CLI help.
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The implementation of the "auto" option to specify the sflow/netflow
agent-address is very error prone. The current implementation will determine
the IP address used for the "auto" value as follow:
Get BGP router-id
1) If not found use OSPF router-id
2) If not found use OSPFv3 router-id
3) If not found use "the first IP address found on the system
Well, what is the "first IP address found"? Also this changes if DHCP is in use.
Also another disadvantage is when the BGP/OSPF/OSPFv3 router-id is changed,
the agent-address is not updated upon the next reboot of the system.
This task is about removing the "auto" keyword from the CLI at all and make it
either entirely configurable by the user and hardcode the value in CLI, or not
use this at all.
If "auto" is specified we will query the system in the above order and set the
proper router-id in the CLI. If none can be found the CLI node is removed.
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sFlow uses the source-address CLI node and netflow uses source-ip this is just
confusing and should be synced to the common source-address CLI node.
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A pre-defined list of common format strings to be used inside the <format> node
of <valueHelp> is available from [1]. Adjust all currently in use <format> nodes
to re-use the predefined strings over writing them on their own by even
encapsulating the <> signs as < and >.
[1]: https://github.com/vyos/vyatta-cfg/blob/5aec1a0429f2f/etc/bash_completion.d/vyatta-cfg#L515-L566
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This will render the completion help more nicely.
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... as the carrot is applied automatically when reading in the XML
definition. Auto replaced by:
$ find interface-definitions -type f | xargs sed -i 's/regex>^/regex>/'
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This patch keep compatibility with old configuration and software, but now it is much easier to add a lot of other useful things
Completely replaces vyatta-netflow package (except some outdated and not available via CLI parts)
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