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authormarch1993 <march511@gmail.com>2022-01-17 22:11:28 +0800
committerLuca Boccassi <luca.boccassi@gmail.com>2022-01-24 14:58:14 +0000
commit11cc2a5602e922e936a40910e9db1c043592f416 (patch)
tree95a0d898cae91104d91af65963b4724b837b7994 /man/systemd.netdev.xml
parent4a00b45fa669faafc1ac1ec531cc106f2374e52d (diff)
downloadsystemd-11cc2a5602e922e936a40910e9db1c043592f416.tar.gz
Update systemd.netdev.xml
Mind users to avoid use name gre0, gretap0 and erspan0 for GRE tunnels.
Diffstat (limited to 'man/systemd.netdev.xml')
-rw-r--r--man/systemd.netdev.xml6
1 files changed, 3 insertions, 3 deletions
diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml
index eeca0a4eb5..449b23d5ac 100644
--- a/man/systemd.netdev.xml
+++ b/man/systemd.netdev.xml
@@ -94,13 +94,13 @@
<entry>A dummy device drops all packets sent to it.</entry></row>
<row><entry><varname>gre</varname></entry>
- <entry>A Level 3 GRE tunnel over IPv4. See <ulink url="https://tools.ietf.org/html/rfc2784">RFC 2784</ulink> for details.</entry></row>
+ <entry>A Level 3 GRE tunnel over IPv4. See <ulink url="https://tools.ietf.org/html/rfc2784">RFC 2784</ulink> for details. Name <literal>gre0</literal> should not be used, as the kernel creates a device with this name when the corresponding kernel module is loaded.</entry></row>
<row><entry><varname>gretap</varname></entry>
- <entry>A Level 2 GRE tunnel over IPv4.</entry></row>
+ <entry>A Level 2 GRE tunnel over IPv4. Name <literal>gretap0</literal> should not be used, as the kernel creates a device with this name when the corresponding kernel module is loaded.</entry></row>
<row><entry><varname>erspan</varname></entry>
- <entry>ERSPAN mirrors traffic on one or more source ports and delivers the mirrored traffic to one or more destination ports on another switch. The traffic is encapsulated in generic routing encapsulation (GRE) and is therefore routable across a layer 3 network between the source switch and the destination switch.</entry></row>
+ <entry>ERSPAN mirrors traffic on one or more source ports and delivers the mirrored traffic to one or more destination ports on another switch. The traffic is encapsulated in generic routing encapsulation (GRE) and is therefore routable across a layer 3 network between the source switch and the destination switch. Name <literal>erspan0</literal> should not be used, as the kernel creates a device with this name when the corresponding kernel module is loaded.</entry></row>
<row><entry><varname>ip6gre</varname></entry>
<entry>A Level 3 GRE tunnel over IPv6.</entry></row>