viktor@shearson.com (Viktor Dukhovni) (05/26/91)
William "Chops" Westfield <BILLW@mathom.cisco.com> writes: >local media. Cisco currently doesn't support transparent bridging to >or from FDDI at all - while not conceptually difficult, transparent >bridging potentially requires filtering (discarding) FDDI packets >at media rate (400k pps or so). This can be done with special hardware, >but it's a bit beyond the capability of even the RISCy VLIW buzzword >buzzword bitslice processor on cisco's current FDDI card. In addition, >the FDDI chipset needs to be able to tell which frames to strip from >the ring, even though neither the source nor destination address matches >the local address. This capability is not present in the current >implementation either (ah, the curse of being first). So transparent >bridges ought to interoperate ok, but they aren't common yet. Can one conclude this means that "helper-address" and ip flooding are not available for FDDI? -- Viktor Dukhovni <viktor@shearson.com> : ARPA <...!uunet!shearson.com!viktor> : UUCP 388 Greenwich St., 11th floor, NY, NY 10013 : US-Post +1-(212)-464-3793 : VOICE