![3CR17562-91 3Com 4500 50-Port Managed 48-Ports 10/100Mbps 2GB Ethernet Stackable RJ45 Switch (Refurbished) 3CR17562-91 3Com 4500 50-Port Managed 48-Ports 10/100Mbps 2GB Ethernet Stackable RJ45 Switch (Refurbished)](https://cdn11.bigcommerce.com/s-oq7ydatnxi/images/stencil/500x659/products/211892/213176/3CR17562-91-AA-lg__24889.1672568068.jpg?c=1)
3CR17562-91 3Com 4500 50-Port Managed 48-Ports 10/100Mbps 2GB Ethernet Stackable RJ45 Switch (Refurbished)
![help pls i need to forward these ports Port 88 (UDP) Port 3074 (UDP and TCP) Port 53 (UDP and TCP) Port 80 (TCP) Port 500 (UDP) Port 3544 (UDP) Port 4500 ( help pls i need to forward these ports Port 88 (UDP) Port 3074 (UDP and TCP) Port 53 (UDP and TCP) Port 80 (TCP) Port 500 (UDP) Port 3544 (UDP) Port 4500 (](https://i.redd.it/ezhnzsmzg9791.png)
help pls i need to forward these ports Port 88 (UDP) Port 3074 (UDP and TCP) Port 53 (UDP and TCP) Port 80 (TCP) Port 500 (UDP) Port 3544 (UDP) Port 4500 (
![Cisco Systems ws-x4448-gb-sfp-rf. SFP = Cisco Catalyst 4500 Gigabit Ethernet Module, 48 Port X (SFP) : Computers - Amazon.co.jp Cisco Systems ws-x4448-gb-sfp-rf. SFP = Cisco Catalyst 4500 Gigabit Ethernet Module, 48 Port X (SFP) : Computers - Amazon.co.jp](https://m.media-amazon.com/images/I/51pY5VExRVL._AC_UF894,1000_QL80_.jpg)