我堆叠了错误“添加隧道“sit0”失败：没有可用的缓冲区空间”。
/etc/网络/接口
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
iface eth0 inet6 auto
auto he-ipv6
iface he-ipv6 inet6 v4tunnel
address 2001:470:1f2e:21c::2
netmask 64
endpoint 216.218.200.58
local 89.223.25.23
ttl 255
gateway 2001:470:1f2e:21c::1
up ip addr add 2001:470:e206:cdc7:5f42:0c51:ce33:50d3/48 dev he-ipv6
up ip addr add 2001:470:e206:45f9:351f:93f0:6e09:2372/48 dev he-ipv6
up ip addr add 2001:470:e206:07f2:8d22:2e0d:b4f0:d175/48 dev he-ipv6
配置文件
eth0 Link encap:Ethernet HWaddr 52:54:00:01:23:11
inet addr:89.223.25.23 Bcast:89.223.31.255 Mask:255.255.248.0
inet6 addr: fe80::5054:ff:fe01:2311/64 Scope:Link
inet6 addr: 2a04:ac00:4:294b:5054:ff:fe01:2311/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:109028 errors:0 dropped:0 overruns:0 frame:0
TX packets:103771 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:20559792 (20.5 MB) TX bytes:160641037 (160.6 MB)
he-ipv6 Link encap:IPv6-in-IPv4
inet6 addr: 2001:470:1f2e:21c::2/64 Scope:Global
inet6 addr: fe80::59df:1917/64 Scope:Link
UP POINTOPOINT RUNNING NOARP MTU:1480 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:109864 errors:0 dropped:0 overruns:0 frame:0
TX packets:109864 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:81562375 (81.5 MB) TX bytes:81562375 (81.5 MB)
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
结果：服务网络重启
● networking.service - Raise network interfaces
Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled)
Drop-In: /run/systemd/generator/networking.service.d
└─50-insserv.conf-$network.conf
Active: failed (Result: exit-code) since Thu 2021-01-28 03:42:01 MSK; 35s ago
Docs: man:interfaces(5)
Process: 8074 ExecStop=/sbin/ifdown -a --read-environment --exclude=lo (code=exited, status=0/comCCESS)
Process: 15140 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=1/FAILURE)
Process: 15134 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [ -n "$(ifquery --read-environment --list --exclude=lo)" ] && udevadm settle (code=exited, status=0/S
Main PID: 15140 (code=exited, status=1/FAILURE)
Jan 28 03:42:01 corp.com systemd[1]: Starting Raise network interfaces...
Jan 28 03:42:01 corp.com ifup[15140]: add tunnel "sit0" failed: No buffer space available
Jan 28 03:42:01 corp.com ifup[15140]: Failed to bring up he-ipv6.
Jan 28 03:42:01 corp.com systemd[1]: networking.service: Main process exited, code=exited, status=1/FAILURE
Jan 28 03:42:01 corp.com systemd[1]: Failed to start Raise network interfaces.
Jan 28 03:42:01 corp.com systemd[1]: networking.service: Unit entered failed state.
Jan 28 03:42:01 corp.com systemd[1]: networking.service: Failed with recomlt 'exit-code'.
Ubuntu 16.04.4 LTS。我的服务器有足够的 SSD 空间和内存。相同的配置在另一台服务器 Ubuntu 16 上成功运行。请帮忙。