PMGREEN@SUVM.BITNET (Philip Green) (01/11/88)
We have just bridged two localtalks thru a Hayes Interbridge. One of the networks has a Kinetics Fastpath that we would like to use for telnet from both networks. Now the question, how do we use the Fastpath thru the Interbridge? Thanks, Phil Green Syracuse University green@icarus.cns.syr.edu
krauskpf@uxe.cso.uiuc.edu (01/15/88)
This message is a partial repeat, but it explains how telnet can and cannot
cross AppleTalk bridges such as the Hayes Interbridge.
Once we get a zone,network,node address for the FastPath, NCSA Telnet can
use any interconnection to get to a FastPath. The problem comes when we
try to find a FastPath to use.
How can NCSA Telnet find the FastPath?
1. A local-zone NBP query. This can cross bridges, but not zones. NBP is
the best way to do this lookup. Currently supported for the KIP
gateway only. Kinetics "combined" gateway does not support NBP. Kinetics
has suggested that NBP may be a part of future gateway software but they
have not announced that it will be so.
If you have interbridges and the KIP gateway in the FastPath, this
should work. We have not tested this on site. Anyone want to confirm?
2. An all-zone NBP query. Do you really want this type of broadcast query
to go to all zones? We currently do not support this.
3. A DDP broadcast on the local network with an encapsulated ARP packet
(this being an ARPANET type of ARP). Currently supported for Kinetics'
gateway software. DDP broadcasts do not cross bridges, so this cannot
find a FastPath across a bridge. We would rather use NBP.
I hope this explains what does and doesn't work.
Tim Krauskopf timk@ncsa.uiuc.edu (ARPA)
National Center for Supercomputing Applications 14013@ncsavmsa (BITNET)