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update-neutron's Introduction

I. Lỗi máy VM không tải được gói cài đặt.

  • Khi bị lỗi này VM ping từ trong ra ngoài và từ ngoài PING vào trong tốt.
  • Nhưng VM bị stuck hoặc không thể nào SSH vào được.
  • Nguyên nhân là do VM có MTU khi đi ra ngoài bị thừa 8 byte do GRE đóng gói vào.
Việc này được thực hiện trên network node.

Thứ tự như sau:

  • Sửa file này :
/etc/neutron/dhcp_agent.ini
[DEFAULT]
...
dnsmasq_config_file = /etc/neutron/dnsmasq-neutron.conf
  • Tạo file /etc/neutron/dnsmasq-neutron.conf
dhcp-option-force=26,1454
  • Kill any existing dnsmasq processes:
killall dnsmasq
  • Khởi động lại dịch vụ dhcp:
service neutron-dhcp-agent restart

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