換switching後printers消失

以前小組用普通switching, 連接幾部mac機和printer, 用戶可以透過bonjour看到和安裝canon和hp的printer.

但現新換了switching Ubiquiti ES-24-250W, network上的printers不時消失或offline, 已經把switching重置factory default和沒加任何設定  都係咁.

每次把ubiquiti switching soft reset, 剛重啟後printers會出現, 但過咗冇耐又消失.

用返舊嘅普通switching就回復正常. 但一轉新switching又有問題.

我已試:
1) printers有著到, 若沒有消失時可以ping到
2) mac機用戶可互ping
2) mac內已關掉防火牆
3) 已uodate mac內printer driver

請問我應該如何入手除錯? 謝謝指教.



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which software version that u are using ?

1. Try a firmware upload first. There is fixes on "auto speed / duplex" LAG at port. also there is fixes at Vlan tags too.
https://community.ubnt.com/t5/Ed ... v1-7-3/ba-p/2198045

2. Make sure that u have all ports in the same VLAN (page 128, https://dl.ubnt.com/guides/edgemax/EdgeSwitch_AdminGuide.pdf)

3. Check the buffered log in the web portal and paste here (page 55, https://dl.ubnt.com/guides/edgemax/EdgeSwitch_AdminGuide.pdf)

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謝謝, 買咗返嚟都未upgrade過firmware, 明天返去試下

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回覆 3# cupuno

why getting this brand? any special feature?

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回覆  cupuno

why getting this brand? any special feature?
ngsamson 發表於 24/1/2018 00:13



    https://www.ubnt.com/edgemax/edgeswitch/

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https://dl.ubnt.com/datasheets/edgemax/EdgeSwitch_DS.pdf

L3 switch 當L2 用你梗係一堆問題啦
有無同一pool同Vlan之類
UPnP 開左味?

L3 switch一堆野就是要自己set。

via HKEPC IR Pro v2.1.0 - iPhone

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回覆 4# ngsamson

先謝, 我個意思係點解買依個牌子? 有好多選擇。

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回覆 5# alanh999

default reset 應該個 一個 vlan 行 L2.
依個model 未試過,如果入到個 web admin, 睇下 log 會易d 睇到咩事

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