Man page - jool_siit(8)

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Manual

jool_siit

NAME
DESCRIPTION
AVAILABILITY
SYNTAX
OPTIONS
Modes and Operations
Flags
Other Arguments
Globals
EXAMPLES
NOTES
EXIT STATUS
AUTHOR
REPORTING BUGS
COPYRIGHT
SEE ALSO

NAME

jool_siit - Interact with SIIT Jool (the kernel module).

DESCRIPTION

Sends commands and requests to SIIT Jool.
SIIT Jool is a kernel module you load into a Linux kernel. It implements RFC 7915.

AVAILABILITY

Linux is the only OS in which this program makes sense.
Kernels 5.15 and up.

SYNTAX

jool_siit [ <argp1> ] instance (

		display
			[--csv]
			[--no-headers]
		\| add
			[<Instance-Name>]
			(--netfilter \| --iptables)
			[--pool6 <IPv6-prefix> ]
		\| remove
			[<Instance-Name>]
		\| flush
		\| <help>

)

jool_siit [ <argp1> ] stats (

		display
			[--csv]
			[--no-headers]
			[--all]
			[--explain]
		\| <help>

)

jool_siit [ <argp1> ] global (

		display
			[--csv]
			[--no-headers]
		\| update
			<Key> <Value>
		\| <help>

)

jool_siit [ <argp1> ] eamt (

		display
			[--csv]
			[--no-headers]
		\| add
			<IPv4-prefix> <IPv6-prefix>
			[--force]
		\| remove
			<IPv4-prefix> <IPv6-prefix>
		\| flush
		\| <help>

)

jool_siit [ <argp1> ] address (

query [--verbose] <IP-Address>

)

jool_siit [ <argp1> ] denylist4 (

		display
			[--csv]
			[--no-headers]
		\| add
			<IPv4-prefix>
			[--force]
		\| remove
			<IPv4-prefix>
		\| flush
		\| <help>

)

jool_siit [ <argp1> ] file (

	handle <JSON-File>
	\| <help>

)

<argp1> := ( <help> | --instance <Name> | --file <File> )

<help> := (--help | --usage | --version)

OPTIONS

Modes and Operations

instance display

Show all instances from all namespaces.

instance add

Create a new instance.

instance remove

Drop an existing instance.

instance flush

Drop all instances from the current namespace.

stats display

Show internal counters.

global display

Show the current values of the instance’s tweakable internal variables.

global update

Tweak one of the instance’s internal variables.

eamt display

Show the EAM table.

eamt add

Upload an entry to the EAM table.

eamt remove

Drop an entry from the EAM table.

eamt flush

Empty the EAM table.

address query

Print the translated version of the given address using the current configuration.

denylist4 display

Show the denylist.

denylist4 add

Upload an entry to the denylist.

denylist4 remove

Drop an entry from the denylist.

denylist4 flush

Empty the denylist.

file handle

Parse all the configuration from a JSON file.
Create instance if it doesn’t exist, update if it does.

Flags

--instance <Name>

Name of the instance you want to interact with.
It’s an ASCII string, 15 characters max. Defaults to ’default’.

--file <File>

JSON file which contains the name of the instance you want to interact with.
Same JSON structure as the one from atomic configuration.

--csv

Output in CSV table format.

--no-headers

Do not print table headers. (Nor footer, if applies.)

--netfilter

Sit the instance on top of the Netfilter framework.

--iptables

Sit the instance on top of the iptables framework.

--pool6 <IPv6-prefix>

Contents of the new instance’s IPv6 pool.
The format is ’PREFIX_ADDRESS[/PREFIX_LENGTH]’.

--all

Show all the counters.

(Otherwise, only the nonzero ones are printed.)

--explain

Show a description of each counter.

--verbose

Print some details regarding the translation operation.

--force

Apply operation even if certain validations fail.

Other Arguments

Name of the variable you want to edit (see ’Globals’ section), and its new value.

<IPv6-prefix>

The format is IPV6_ADDRESS[/PREFIX_LENGTH]. PREFIX_LENGTH defaults to 128.

<IPv4-prefix>

The format is IPV4_ADDRESS[/PREFIX_LENGTH]. PREFIX_LENGTH defaults to 32.

<Instance-Name>

Name of the instance you want to add or remove.
If --instance or --file were included in <argp1>, then the instance names must match.

<JSON-file>

Path to a JSON file.

Globals

manually-enabled <Boolean>

Enable or disable the instance.

pool6 (<IPv6 Prefix> | null)

The IPv6 pool’s prefix.
The format is ’PREFIX_ADDRESS[/PREFIX_LENGTH]’.
Use null to clear.

lowest-ipv6-mtu <Unsigned 32-bit integer>

Smallest reachable IPv6 MTU.

logging-debug <Boolean>

Enable logging of debug messages?

zeroize-traffic-class <Boolean>

Always set the IPv6 header’s ’Traffic Class’ field as zero?
Otherwise copy from IPv4 header’s ’TOS’.

override-tos <Boolean>

Override the IPv4 header’s ’TOS’ field as --tos?
Otherwise copy from IPv6 header’s ’Traffic Class’.

tos <Unsigned 8-bit integer>

Value to override TOS as (only when override-tos is ON)

mtu-plateaus <Comma-separated list of unsigned 16-bit integers>

Set the list of plateaus for ICMPv4 Fragmentation Neededs with MTU unset.

amend-udp-checksum-zero <Boolean>

Compute the UDP checksum of IPv4-UDP packets whose value is zero?
Otherwise drop the packet.

eam-hairpin-mode (simple | intrinsic | off)

Defines how EAM+hairpinning is handled.

randomize-rfc6791-addresses <Boolean>

Randomize selection of address from the RFC6791 pool?
Otherwise choose the ’Hop Limit’th address.

rfc6791v6-prefix (<IPv6 Prefix> | null)

IPv6 prefix to generate RFC6791v6 addresses from.
Use null to clear.

rfc6791v4-prefix (<IPv4 Prefix> | null)

IPv4 prefix to generate RFC6791v4 addresses from.
Use null to clear.

trace <Boolean>

Log basic packet fields as they are received?

EXAMPLES

Create a new instance named "Example":
jool_siit instance add Example --iptables

Print the globals:
jool_siit -i Example global display

Change the IPv6 pool prefix:
jool_siit -i Example global update pool6 2001:db8::/96

Print the Explicit Address Mappings Table (EAMT):
jool_siit -i Example eamt display

Add an entry to the EAMT:
jool_siit -i Example eamt add 2001:db8::/120 192.0.2.0/24

Remove an entry from the EAMT:
jool_siit -i Example eamt remove 2001:db8::/120

Add denylist prefix 192.0.2.0/24:
jool_siit -i Example denylist4 add 192.0.2.0/24

Allow translation of 192.0.2.0/24:
jool_siit -i Example denylist4 remove 192.0.2.0/24

NOTES

TRUE, FALSE, 1, 0, YES, NO, ON and OFF are all valid booleans. You can mix case too.

EXIT STATUS

Zero on success, non-zero on failure.

AUTHOR

NIC Mexico & ITESM

REPORTING BUGS

https://github.com/NICMx/Jool/issues

COPYRIGHT

Copyright 2024 NIC Mexico.
License: GPLv2 (GNU GPL version 2)
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.