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authorRuslan Ermilov <ru@FreeBSD.org>2001-06-08 12:44:25 +0000
committerRuslan Ermilov <ru@FreeBSD.org>2001-06-08 12:44:25 +0000
commit1d36c8992d0112a875e44a5f10625b898931cf4b (patch)
tree2dead7ccb506506de1f729defe4ad7df81c5b4fe /sbin/route/route.8
parente6577f69a45c5c707a727401fffa020c43aa42b9 (diff)
downloadsrc-1d36c8992d0112a875e44a5f10625b898931cf4b.tar.gz
src-1d36c8992d0112a875e44a5f10625b898931cf4b.zip
When changing an indirect route, kernel routing code allocates
a route to the gateway and caches it in the route structure. It may happen (if the routing table is screwed) that the gateway route is the same route as the one being modified, in which case a kernel reports EDQUOT. Be more verbose about this: # route add -net 10 192.168.4.65 add net 10: gateway 192.168.4.65 # netstat -rn -finet Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.4.65 UGSc 1 7 rl0 10 192.168.4.65 UGSc 0 0 rl0 127.0.0.1 127.0.0.1 UH 0 178 lo0 192.168.4 link#1 UC 2 0 rl0 => 192.168.4.65 0:d0:b7:16:9c:c6 UHLW 2 0 rl0 1123 Before: # route change -net 10 10.0.0.1 route: writing to routing socket: Disc quota exceeded change net 10: gateway 10.0.0.1: Disc quota exceeded After: # ./route change -net 10 10.0.0.1 route: writing to routing socket: Disc quota exceeded change net 10: gateway 10.0.0.1: gateway uses the same route PR: bin/1093, misc/26833
Notes
Notes: svn path=/head/; revision=77908
Diffstat (limited to 'sbin/route/route.8')
-rw-r--r--sbin/route/route.810
1 files changed, 8 insertions, 2 deletions
diff --git a/sbin/route/route.8 b/sbin/route/route.8
index a6d8b72706e3..13ab5ced7948 100644
--- a/sbin/route/route.8
+++ b/sbin/route/route.8
@@ -32,9 +32,9 @@
.\" @(#)route.8 8.3 (Berkeley) 3/19/94
.\" $FreeBSD$
.\"
-.Dd March 19, 1994
+.Dd June 8, 2001
.Dt ROUTE 8
-.Os BSD 4.4
+.Os
.Sh NAME
.Nm route
.Nd manually manipulate the routing tables
@@ -362,6 +362,12 @@ wasn't present in the tables.
An add operation was attempted, but the system was
low on resources and was unable to allocate memory
to create the new entry.
+.It "gateway uses the same route"
+A
+.Cm change
+operation resulted in a route whose gateway uses the
+same route as the one being changed.
+The next-hop gateway should be reachable through a different route.
.El
.Pp
The