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Update InstallNET.sh

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Molly Lau 2023-11-29 17:43:23 +09:00 • committed by GitHub
parent 22eeb911bf
commit d2e56c6e1f
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1 changed files with 9 additions and 2 deletions
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Linux_reinstall/InstallNET.sh
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@ -2356,9 +2356,16 @@ function getInterface() {
done
interfacesNum="${#Interfaces[*]}"
# Some server has two different network adapters and for example: eth0 is for IPv4, eth1 is for IPv6, so we need to distinguish whether they are the same.
default4Route=$(ip -4 route show default | grep "^default")
default4Route=$(ip -4 route show default | grep -A 3 "^default")
# In Vultr server of 2.5$/mo plan, it has only IPv6 address, so the default route is via IPv6.
default6Route=$(ip -6 route show default | grep "^default")
# The name of interface is not always in the first line:
# root@layer7:~# ip -6 route show
# 2a12:5e40:15::/48 dev eth0 proto ra metric 1024 expires 2591978sec pref medium
# fe80::/64 dev eth0 proto kernel metric 256 pref medium
# default proto static metric 1024 pref medium
# nexthop via 2a12:5e40:1::1 dev eth0 weight 1
# nexthop via fe80::e6c7:22ff:fe4d:b63c dev eth0 weight 1
default6Route=$(ip -6 route show default | grep -A 3 "^default")
for item in ${Interfaces[*]}; do
[ -n "$item" ] || continue
echo "$default4Route" | grep -q "$item"