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Re: [EFM] OAM loop back / echo server function


Just the same only different.
The difference would be that of being able to distinguish this packet by 
Type, whereas a LLC TEST packet has length information in the Type/Length 


At 08:55 AM 9/5/01 +0100, Tony Jeffree wrote:
>Geoff -
>The L2 ping sounds remarkably like the LLC "Test" mechanism to me ;-)
>At 15:02 04/09/2001 -0700, Geoff Thompson wrote:
>>I don't think this is a stupid question.
>>I don't think we need an IP level PING
>>A L2 ping would do, perhaps even better, the demarc would look for PING 
>>type and then just swap SA & DA.
>>My expectation is that the demarcation device will need a MAC address
>>My expectation is that the demarcation device will probably end up with 
>>an IP address in order to support:
>>         SNMP for OA&M
>>         Firewall services for the subscriber
>>(That issue is, of course, beyond our scope)
>>At 03:47 PM 9/4/01 -0400, Fletcher E Kittredge wrote:
>>>On Fri, 31 Aug 2001 14:11:54 -0700  "Geoff Thompson" wrote:
>>> > As I have said before, I do believe that we will need a demarcation 
>>> device
>>> > that has the capability to host OA&M functions.
>>> > We have talked about "loop back" from this point in the network.
>>> > Let us forevermore make that "PING"
>>>         Apologies if this is a stupid question, but does PING in this
>>>context mean the utility that sends an IP ICMP ECHO REQUEST packet and
>>>listens for an ECHO REPLY packet?  If so, am I correct in thinking this
>>>means the demarcation device would require an IP address?