Comment 1 for bug 1301165
Revision history for this message
| Liping Mao (limao) wrote Re: lbaas delete and re-add same vip will make the vip can't work | #1 |
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f33e652
(Get the code!)
Route Cause:
When we access 100.100.100.100 at first time, there will be arp info in the External Router. And after we delete vip and create vip 100.100.100.100 again, the MAC change. But there still be ARP cache in external Router.
Solution:
When we create the port, we need send gratuitous ARP to flash the ARP cache in External Router.
Our deploy is on CentOS6.3, there is the following Bug make arping can't work in netns, so I think we can just use ping gateway to reflash the ARP cache on External Router:
https:/