> I don't think this is due to switching between SFP and SFP+. In this
particular case, the switch has never had any SFPs or SFP+ in it, it's
brand new.
In my experience, expect it to happen in both of these scenarios. Also,
if you have external authentication configured on your device,
Hi Shawn,
on ASR920-12CZ we found that the safest way is to perform a reload if
you change a module from 1G to 10G or vice-versa.
Same "solution" may applies to your ASR920-12SZ as well.
IOS-XE starts a TCL script for speed reconfiguration, but the script
sometimes fails to run properly, in
I don't think this is due to switching between SFP and SFP+. In this
particular case, the switch has never had any SFPs or SFP+ in it, it's
brand new. Fire up, accept the license agreement, reload. Install new
IOS, reload, provision, plug-in. I also have one where the SFP+ in slots
8-11 work
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Hi Shawn,
Are you by chance switching from sfp to sfp+ on the ports by chance?
Because the 12sz launches scripts when changing speeds that basically default
the config and rewrites it, but doesn't always work as planned..
There was a discussion here about it a while back.
I have a group of 5 Cisco ASR-920-12SZ switches / routers that are all
exhibiting some strange behavior with respect to ports and SFPs. This is
the new 12 port 10 gig device that just came out relatively recently. I
also have some of the 920-12CZ and 4CZ that aren't having the issue. Just
