Hello Niall, thank you very much. I solved the issue by buying a plain old 1000Base LX SFP module, which works flawlessly in EX4300.
Regards Karl ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ *From:* Niall Donaghy [mailto:[email protected]] *Sent:* Friday, Jul 20, 2018 4:21 AM CEST *To:* Karl Gerhard; [email protected] *Subject:* [j-nsp] EX4300 + EX-UM-4X4SFP, can it do 1000Base over fiber? > Hi Karl, > > Indeed the EX-UM-4X4SFP should be dual-mode capable. > I think it's auto-detecting your dual-mode SFP as 10GBase LR and I'm not > aware of any way to configure this - I think with the particular SFP you're > using, 10GBase LR is the only mode you'll get. IE: You would get 1000Base LX > only with a different SFP. > > From: > https://www.juniper.net/documentation/en_US/release-independent/junos/topics > /reference/specifications/uplink-module-ex4300.html > > """ > The SFP+ uplink module ports can operate either in 10-gigabit or in > 1-gigabit mode depending on the transceiver you install in them. The > operating mode for an SFP+ uplink module is shown in the output of the 'show > chassis pic fpc-slot slot number pic-slot slot number' command. > """ > > In terms of SFP compatibility, JNPR offer: > https://apps.juniper.net/hct/product/#prd=EX4300 > > You didn't state whether the SFP you're using was from JNPR or someone else, > and if JNPR, what the P/N is. Can you elaborate? > > Br, > Niall > > > -----Original Message----- > From: juniper-nsp [mailto:[email protected]] On Behalf Of > Karl Gerhard > Sent: 19 July 2018 22:07 > To: [email protected] > Subject: [j-nsp] EX4300 + EX-UM-4X4SFP, can it do 1000Base over fiber? > > Hello > > I have an EX4300 with a EX-UM-4X4SFP Uplink module (with 4x SFP slots) and a > dual mode SFP Module that supports 1000Base LX and 10GBase LR. When inserted > into the EX4300 the SFP module is always in 10GBase LR mode. Is there any > way to configure any or all of the SFP slots to 1000Base? > > The official specs claim that the uplink module is dual-mode 10GbE/1GbE: > "Uplink Module Options: > Others: 4-port dual-mode 10GbE/1GbE module with pluggable SFP+/SFP optics" > https://www.juniper.net/us/en/local/pdf/datasheets/1000467-en.pdf > > Also, there is this one guy on the internet (tm) who claims that he managed > to force an EX4300 into 1000Base mode on the SFP slots. > https://forums.juniper.net/t5/Ethernet-Switching/ex4200-EX-UM-2X4SFP-module- > support-1G-10G-or-all-port-4x1g-or/td-p/317240 > > Any help is highly appreciated. > > Regards > Karl > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
