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现场配置两个错误的NTP地址后无法删除,如下图
同时undo操作过程中也没有发现有日志报错
%Mar 21 23:47:03:854 2011 NFV-D-HZZZH-04A-1403-0E01-M-TOR-01 SHELL/6/SHELL_CMD: -Line=vty0-IPAddr=2409:8086:83F4:87::FFEE-User=useradmin; Command is undo ntp-service ipv6 unicast-server 2409:8086:83f421::1 vpn-instance NFV-DM-Mgmt
%Mar 21 23:47:11:564 2011 NFV-D-HZZZH-04A-1403-0E01-M-TOR-01 SHELL/6/SHELL_CMD: -Line=vty0-IPAddr=2409:8086:83F4:87::FFEE-User=useradmin; Command is undo ntp-service ipv6 unicast-server 2409:8086:83f431::1 vpn-instance NFV-DM-Mgmt
%Mar 21 23:47:25:537 2011 NFV-D-HZZZH-04A-1403-0E01-M-TOR-01 SHELL/6/SHELL_CMD: -Line=vty0-IPAddr=2409:8086:83F4:87::FFEE-User=useradmin; Command is dis logbuffer reverse
%Mar 21 23:47:56:492 2011 NFV-D-HZZZH-04A-1403-0E01-M-TOR-01 SHELL/6/SHELL_CMD: -Line=vty0-IPAddr=2409:8086:83F4:87::FFEE-User=useradmin; Command is dis current-configuration | include ntp
查看诊断中的配置部分,怀疑是由于配置中有特殊不可显示字符,导致Undo的时候不能完全匹配上之前的配置,所以删除不掉
ntp-service ipv6 unicast-server 2409:8086:83f4镲:d:1::1 vpn-instance NFV-DM-Mgmt priority source M-GigabitEthernet0/0/0
ntp-service ipv6 unicast-server 2409:8086:83f4镲:d21::1 vpn-instance NFV-DM-Mgmt source M-GigabitEthernet0/0/0
ntp-service ipv6 unicast-server 2409:8086:83f4镲:d31::1 vpn-instance NFV-DM-Mgmt source M-GigabitEthernet0/0/0
可通过下述步骤解决
1. 从设备取出该配置文件startup.cfg(可以取出到pc上进行修改)
2. 删除配置文件中的错误配置的行(最好修改下配置文件名startupTarget.cfg)
3. 将该配置文件导入到设备中,执行配置回滚操作Configuration replace file startupTarget.cfg
这个时候会提示是否要保存当前配置——可以保存——但不要保存在startupTarget.cfg中(防止我们刚刚的修改被覆盖)
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