为何我两台centos 7.9主机的ipv6地址都ping不通?centos7.9 ipv6地址的端口如何确定通不通?谢谢
[root@localhost network-scripts]# ip -6 addr show ens33
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP qlen 1000
inet6 fe80::cdb1:9354:326f:97f8/64 scope link
valid_lft forever preferred_lft forever
[root@localhost network-scripts]# cat /etc/sysconfig/network-scripts/ifcfg-ens33
TYPE="Ethernet"
BOOTPROTO=none
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="ens33"
#UUID="dbc98545-6227-4a7e-b23a-f9c4aaee1711"
DEVICE="ens33"
ONBOOT="yes"
IPADDR=192.168.125.129
PREFIX=24
GATEWAY=192.168.125.2
DNS1=119.29.29.29
DNS2=114.114.114.114
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
UUID=c96bc909-188e-ec64-3a96-6a90982b08ad
[root@localhost network-scripts]# ping fe80::cdb1:9354:326f:97f8
ping: fe80::cdb1:9354:326f:97f8: 不支持的主机名地址族
[root@localhost network-scripts]# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
另外一台linux
[root@192 ~]# ip -6 addr show ens18
2: ens18: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP qlen 1000
inet6 fe80::706d:90ad:8829:beb4/64 scope link noprefixroute
valid_lft forever preferred_lft forever
[root@192 ~]#
[root@localhost network-scripts]# ping -6 fe80::706d:90ad:8829:beb4
PING fe80::706d:90ad:8829:beb4(fe80::706d:90ad:8829:beb4) 56 data bytes
From fe80::cdb1:9354:326f:97f8%ens33 icmp_seq=1 Destination unreachable: Address unreachable
From fe80::cdb1:9354:326f:97f8%ens33 icmp_seq=2 Destination unreachable: Address unreachable
From fe80::cdb1:9354:326f:97f8%ens33 icmp_seq=3 Destination unreachable: Address unreachable
From fe80::cdb1:9354:326f:97f8%ens33 icmp_seq=4 Destination unreachable: Address unreachable