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Forum Discussion
AGM731F had to be reseated after a power outage.
We have 2 M4300-52G-PoE+ ProSAFE 48-port 1G PoE+ and 2-port 10GBASE-T and 2-port 10G SFP+ switches, both with a AGM731F SFP Transceiver in port 52 on each. After a power outage, we always have to re...
The firmware is: 12.0.0.15
Intentionally deployed 1000BASE-SX SFP?
Are these used for the direct connection of these two switches?
Or are the other 2-10GBASE-T ports configured into a lag somehow?
The 2 M4300 switches are stacked using ports 51 on both, with the AXC761transceivers and the connector cable.
Ports 52 on both M4300 switches have the AGM731F transceivers and are members of Lag 1, connecting OM3 fiber to our top of rack switches in our server room.
Whenever we loose power for a long enough time that the UPS times out and these switches shutdown, when the power is eventually restored, both AGM731F transceivers are not responsive with no link or activity shown on them. I then have to disconnect each one, pull them out and push them back in, and reconnect the fiber connections to get them to come back up. Would really like to figure out how to prevent this from happening, so that when power is restored, they come back online on their own.
GWieder wrote:
The 2 M4300 switches are stacked using ports 51 on both, with the AXC761 transceivers and the connector cable.
Ok, this makes up the switch stacking.
GWieder wrote:
Ports 52 on both M4300 switches have the AGM731F transceivers and are members of Lag 1, connecting OM3 fiber to our top of rack switches in our server room.
Unless I'm wrong (more of a Smart Switch Series geek), we have no LAG spanning multiple devices on a stack, lack of what is named MLAG. But then, why should the single fiber link to the unknown (1 GB really?) rack top switches. This is why I asked about more details in this area. Should the copper links and the fiber links associated to a single LAG?
The LAG on the stacked switches works fine. The only issue we are having is when we experience an extended power outage that goes beyond our battery backup. After the power is restored, the two AGM731F transceivers will be unresponsive. We have to disconnect them from the switch and reseat/reconnect them again to get them to "wake-up".
We'd like to know if there is a way to prevent having to do this. If there is a setting that can be changed to allow those transceivers to automatically enable themselves after a power outage.
GWieder wrote:
The firmware is: 12.0.0.15
Current Firmware Version would be about 12.0.17.12 ...
GWieder wrote:
The 2 M4300 switches are stacked using ports 51 on both, with the AXC761transceivers and the connector cable.
Ports 52 on both M4300 switches have the AGM731F transceivers and are members of Lag 1, connecting OM3 fiber to our top of rack switches in our server room.
Provide exact insight - what is the LAG config about here, please?
For whatever reason, the ports seem not to come back enabled after a cold boot (power loss), requiring unplug and re-plug the AGM731F modules.
Is there a fix in resulting from updating the firmware?
The purpose of the LAG from both transceivers on the stacked switch is to increase the bandwidth to our server room.
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