From: Phil Sutter <phil@nwl.cc>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: netdev@vger.kernel.org
Subject: [iproute PATCH] man: ip-route.8: Document nexthop limit
Date: Mon, 12 Nov 2018 23:21:01 +0100 [thread overview]
Message-ID: <20181112222101.9674-1-phil@nwl.cc> (raw)
Add a note to 'nexthop' description stating the maximum number of
nexthops per command and pointing at 'append' command as a workaround.
Signed-off-by: Phil Sutter <phil@nwl.cc>
---
man/man8/ip-route.8.in | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/man/man8/ip-route.8.in b/man/man8/ip-route.8.in
index a33ce1f0f4006..383178c11331e 100644
--- a/man/man8/ip-route.8.in
+++ b/man/man8/ip-route.8.in
@@ -589,6 +589,13 @@ argument lists:
route reflecting its relative bandwidth or quality.
.in -8
+The internal buffer used in iproute2 limits the maximum number of nexthops to
+be specified in one go. If only a gateway address is given, the current buffer
+size allows for 144 IPv6 nexthops and 253 IPv4 ones. If more are required, they
+may be added to the existing route using
+.B "ip route append"
+command.
+
.TP
.BI scope " SCOPE_VAL"
the scope of the destinations covered by the route prefix.
--
2.19.0
next reply other threads:[~2018-11-13 8:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-12 22:21 Phil Sutter [this message]
2018-11-13 0:37 ` [iproute PATCH] man: ip-route.8: Document nexthop limit David Ahern
2018-11-13 12:37 ` Phil Sutter
2018-11-14 19:20 ` Stephen Hemminger
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