Bench creation - how to manage two bench- Redis

Frappe Framework
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1

I have bench named frappe-bench, redis is running on
ps -ef | grep redis
ubuntu 60184 60178 0 Apr21 ? 00:09:10 /usr/bin/redis-server 127.0.0.1:13000
ubuntu 60186 60178 0 Apr21 ? 00:08:52 /usr/bin/redis-server 127.0.0.1:12000
redis 60833 1 0 Apr21 ? 00:11:06 /usr/bin/redis-server 127.0.0.1:11000

I created new bench named frappe-practice, It ask me to run in 11001
Error:
Please make sure that Redis Queue runs @ redis://localhost:11001
Please make sure that Redis Queue runs @ redis://localhost:11001

I started to check the /etc/redis/redis.conf

port 6379

port 11000

if i mention port 11001 on redis.conf will solve the error? or we can create new conf file in etc. How to do? if we create more benches means we have to do it manually for redis?

Please help thank you