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LANを抜いてもHSRPが切り替わらない時に確認する点

Last updated at Posted at 2014-11-27

Port-channelのtrunkにvlanが登録されていることを確認する。
本体の電源を抜き差しだと切り替わることは確認済み。

確認コマンド

  • show config
  • show standby brief
# show standby brief
                     P indicates configured to preempt.
                     |
Interface   Grp  Pri P State  Active   Standby       Virtual IP
Vl21       0    200 P Active  local    5.5.5.21     5.5.5.19
Vl31       0    200 P Active  local    5.5.100.195  5.5.100.193
  • Standby側のIPアドレスがUnknownの場合、trunk追加忘れている。1時間ハマった。
  • 切り替わりは500ms x10回 = 5秒くらいかかる(slaが関係か?)
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