From: Phil Sutter <phil@nwl.cc>
Date: Wed, 30 Nov 2016 08:29:48 +0000 (+0100)
Subject: man: ip-route.8: Add notes about dropped IPv4 route cache
X-Git-Tag: v4.9.0~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5f760b81250630da23a4021c30e802695be79d2;p=thirdparty%2Fiproute2.git

man: ip-route.8: Add notes about dropped IPv4 route cache

Signed-off-by: Phil Sutter <phil@nwl.cc>
---

diff --git a/man/man8/ip-route.8.in b/man/man8/ip-route.8.in
index d4fae3cc7..c0acaa002 100644
--- a/man/man8/ip-route.8.in
+++ b/man/man8/ip-route.8.in
@@ -924,6 +924,12 @@ routes are left unchanged. Any routes specified in the data stream that
 already exist in the table will be ignored.
 .RE
 
+.SH NOTES
+Starting with Linux kernel version 3.6, there is no routing cache for IPv4
+anymore. Hence
+.B "ip route show cached"
+will never print any entries on systems with this or newer kernel versions.
+
 .SH EXAMPLES
 .PP
 ip ro