MTU was set to 1440, we set it to Auto, no change...
Jonathan On Thu, Apr 23, 2015 at 10:13 PM, Charles Goldsmith <[email protected]> wrote: > What's your MTU over the backup VPN? I've seen odd issues on some > networks with different providers and MTU and fragmenting packets > always caused issues until the MSS was set. > > I'm not sure why this would affect the 8851's, but we've noticed some > other oddities with the 8851's. For instance, computers with intel > nic's behind the phone have issues after we apply config, and we > narrowed it down to intel gigabit master slave mode setting on the > driver, at least, setting that to slave instead of auto resolves the > problem. Otherwise, you have to reboot the phone a couple of times to > get consistent connection through the 8851. Phones are connected to a > 2960 with a basic config, nothing out of the ordinary. > > On Thu, Apr 23, 2015 at 6:35 PM, Jonathan Charles <[email protected]> > wrote: > > We have CUCM 8.6.2 with Cisco 8851, Cisco 8831 phones at a remote > location; > > they are connected over MPLS and a Peplink Balance VPN as a backup. > > > > When we yank the MPLS, the 8831 registers with CUCM and works fine.... > the > > 8851s do NOT. > > > > Any reason the 8851 would act differently? > > > > > > > > > > Jonathan > > > > _______________________________________________ > > cisco-voip mailing list > > [email protected] > > https://puck.nether.net/mailman/listinfo/cisco-voip > > >
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