Symptom
"remote-as X" option removed from "ip msdp peer " when "ip msdp description" is added fo given peer
Conditions
MSDP peer configured with "remote-as X" option
"ip msdp description" is added for given peer
"remote-as XXXX" is removed from running configuration
Until reload MSDP peering is working
Workaround
Do not use "ip msdp description"
Further Problem Description
is ip msdp description was already used it is required to remove msdp peer and add it again without adding description command