> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/banana-pi-bpi-r2-open-source-smart-router/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/banana-pi-bpi-r2-open-source-smart-router/chapter1/bpi-r2-5-gige-port.md).

# BPI-R2 5 GigE port

Banana PI BPI-R2 with 5 Gigabit ethernet port,use MTK7530 chip on board.

Performance of IP forwarding over both GMACs(eth0 and eth1)

Single direction flow

![](https://2026254418-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtQhonJaM_KJIa7S%2F-M2HWugLnEYPO4HWj-RM%2F-M2HXKa52T3OTMY97O_9%2Feth0%20test.png?generation=1584080205046325\&alt=media)

Bidirection flow

![](https://2026254418-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtQhonJaM_KJIa7S%2F-M2HWugLnEYPO4HWj-RM%2F-M2HXKa7X0MFs19Spc9v%2Feth1%20test.png?generation=1584080205168010\&alt=media)

Statistics on R2 board:

`root@LEDE:/proc/irq/70# ifconfig`

`eth0 Link encap:Ethernet HWaddr EE:86:59:C8:EB:3A`

`inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0`

`inet6 addr: fe80::ec86:59ff:fec8:eb3a/64 Scope:Link`

`UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1`

`RX packets:26822854 errors:0 dropped:0 overruns:0 frame:0`

`TX packets:37617944 errors:0 dropped:0 overruns:0 carrier:0`

`collisions:0 txqueuelen:1000`

`RX bytes:35021520367 (32.6 GiB) TX bytes:49849909918 (46.4 GiB)`

`Interrupt:68`

`eth1 Link encap:Ethernet HWaddr 8E:3B:FE:FC:EA:BE`

`inet addr:192.168.10.1 Bcast:192.168.10.255 Mask:255.255.255.0`

`inet6 addr: fe80::8c3b:feff:fefc:eabe/64 Scope:Link`

`UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1`

`RX packets:37621811 errors:0 dropped:0 overruns:0 frame:0`

`TX packets:26821988 errors:0 dropped:0 overruns:0 carrier:0`

`collisions:0 txqueuelen:1000`

`RX bytes:49699772484 (46.2 GiB) TX bytes:35127932237 (32.7 GiB)`

`Interrupt:68`

![](https://2026254418-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtQhonJaM_KJIa7S%2F-M2HWugLnEYPO4HWj-RM%2F-M2HXKa9AVZWIqFllwWO%2Feth0%20test.jpg?generation=1584080205313013\&alt=media)

discuss on forum :

<http://forum.banana-pi.org/t/performance-of-ip-forwarding-over-both-gmacs-eth0-and-eth1/3830>