Re: (ASCEND) Frame Relay

[Phillip Vandry <vandry@Mlink.NET>]

> I have configured the serial port onm a MAX 1800 for frame relay on an
> 128K link.
> 
> When I do "show fr stat" it says "up" but 64K.

Ignore that. When you are using the serial port or other non ISDN
connection the information is meaningless since the connection speed is
(as you would expect) the clock rate on the serial port.

> Also I am told to use LMI for management, but can only find AnnexA od
> AnnexD or none as options (I chose AnnexA, and it seems to work). Is
> LMI a generic term? Can anyone explain what this link management stuff
> means in practical terms?

Yes, the LM in LMI stands for Link Management. The more common one is ANSI
T1.617D (aka AnnexD), but as long as both sides agree it's fine.

Link Management uses keepalives to check the link status, is used so one
or both sides can discover PVCs that are configured and/or active, and
may have other functions I am either forgetting or am not aware of.

-Phil
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