Symptom
After customer deployed the following configuration to FTD via FDM, he couldn't deploy anything else again
created port-channel, created a BVI which has description with "&" mark, created any ACL.
In FDM GUI, it shows
Some interfaces have been added to or removed from the device. Please perform an interface inventory scan before deploying the current configuration.
In pigtail, suppose the description of BVI is "TO SDWAN1&2", it shows
Caused by: org.xmlpull.v1.XmlPullParserException: entity reference names can not start with character '2' (position: TEXT seen ... BVI1 "bvi1", is up, line protocol is up\n\tDescription: TO SDWAN1&2... @112:26)
Conditions
BVI which has description with "&" mark
Workaround
1. Connect via SSH -> expert -> sudo su
2. Run command LinaConfigTool "no interface BVI1"
root#LinaConfigTool "no interface BVI1"
3. Edit BVI interface on FDM and replace & with and (or other non-special characters)
4. Deploy
