As Nic said there are a lot of ways to do this - please provide some more details about what exactly do you want to sync.
Here's one product by iDalko that allows syncing issues between instances
https://marketplace.atlassian.com/plugins/com.exalate.jiranode/server/overview
What exactly are you trying to synchronize? If it is issues and its fields, take a look at ConnectAll.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
There's lots of ways to do it, but I'd strongly recommend using add-ons.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.