From: Lupi, Guy (Guy.Lupi@xxxxxxxxxxxxx)
Date: Wed Jan 02 2002 - 17:04:53 GMT-3
Can anyone explain the ethernet and token ring protocol type codes for me?
I know you can filter DLSw and SRB using them but I don't really understand
what they are, I found a table containing all the popular ones. IBM SNA is
80D5, does that mean that all SNA traffic has this type code, and that if
you denied it in an access list all SNA traffic would be denied? Also,
SAP's follow the format 0x0000, each of the 0s representing one byte of
data, the first 2 digits after the x are the DSAP, the last 2 are the SSAP,
is this correct? I am trying to get it straight in my head, thanks.
Guy H. Lupi
NOC Engineer
Eureka GGN
39 Broadway, 19th Floor
NY, NY 10006
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