commit 31b68aac1cc37a4135056a16967535519bc7eff0
Author: Adam Osuchowski <ad...@pld-linux.org>
Date: Fri Jan 28 01:20:30 2022 +0100
- wait for duplicated IPv6 address detection while interface configuration
lib/ifup | 13 +++++++++++++
1 file changed, 13 insertions(+)
---
diff --git a/lib/ifup b/lib/ifup
index 38780bf4..71652f7a 100755
--- a/lib/ifup
+++ b/lib/ifup
@@ -219,6 +219,19 @@ else
# IPv6 in use ?
if is_yes "$IPV6_NETWORKING" && [ -n "${IP6ADDR}" ]; then
ip addr add ${IP6ADDR} dev ${DEVICE} ${IP6ADDROPT}
+ timeout=0
+ while [ $timeout -le 20 ] && \
+ if_state="`ip -o addr list dev ${DEVICE} to ${IP6ADDR}`"
&& \
+ echo "$if_state" | grep -q tentative && \
+ ! echo "$if_state" | grep -q dadfailed ; do
+ usleep 500000
+ timeout=$((timeout+1))
+ done
+ if ip -o addr list dev ${DEVICE} to ${IP6ADDR} | grep -q
dadfailed ; then
+ ip addr del ${IP6ADDR} dev ${DEVICE}
+ nls '%s: Duplicated address detected: %s' "$DEVICE"
"$IP6ADDR"
+ exit 1
+ fi
if [ -n "${IP6ADDRLABEL}" ]; then
ip addrlabel add prefix ${IP6ADDR} dev ${DEVICE} label
${IP6ADDRLABEL}
fi
================================================================
---- gitweb:
http://git.pld-linux.org/gitweb.cgi/projects/rc-scripts.git/commitdiff/31b68aac1cc37a4135056a16967535519bc7eff0
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