Carlisle United defender Mark Ellis says they must be professional when they play National League side Welling United in the FA Cup second round.
Since 2010, the League Two Cumbrians have knocked non-league opposition out of the FA Cup on five occasions.
"We know it's not going to be easy, we've got to show them the utmost respect," Ellis told BBC Radio Cumbria.
"It would be nice if we do get through but the main concentration is doing well against Welling United."
|Carlisle's FA Cup travels|
|After a 900-mile round trip for their 2-0 win against Plymouth in the FA Cup first round, Carlisle now face another 650-mile round trip for their tie against Welling.|
As Carlisle look to reach the FA Cup third round for the first time in two seasons, Ellis, who is on loan from Shrewsbury Town until the new year, is keen to respect Welling to avoid being knocked out by lower-league opposition.
"They'll look to cause a massive upset and we've got to be professional and do a job," he added.
"I've played at that level myself so I know what teams can throw at you and it won't be an easy game."