You could try source-bridge spanning on the T/R interface. I believe that this may reduce the total volume of explorers flowing by sending only spanning tree explorers and not all routes. If you are sending via DLSW, make sure that your virtual ring group to DLSW is the same on both sides of the WAN. This should cut explorer traffic as well on the WAN. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of El Pingu Sent: Wednesday, May 02, 2001 12:45 AM To: [EMAIL PROTECTED] Subject: Re: Bridging in Token ring environment [7:2804] let me take a shot at this one see if i still remember: now this is seem like a tricky question because the token ring ibm architecture supports a two port bridge. but: station b will recieve as many explorer frames as there are path to it i see 6 paths to station b if a target ring number is already in the frame it will discard the frame because it has circled the ring.that is why there is not 8 Kuldip Singh wrote: > Hi All, > > In following Token ring environment if hostA sends an > explorer packet to find address and route information > of HostB then how many explorer packets are received > at HostB? What I read so far from the books the answer > is 6. Correct me if I am wrong. Also does it matter > what kind of bridging protocol in use such SRB, RSRB, > DLSw etc for NetBIOS or SNA traffic. > > /-----Bridge1--Bridge2\ > / \ / \ > HostA----Ring1 \ / Ring2--HostB > | \ / | > | \/ | > | /\ | > | / \ | > | / \ | > |----Bridge3---Bridge4----| > > Thanks, > > __________________________________________________ > Do You Yahoo!? > Yahoo! Auctions - buy the things you want at great prices > http://auctions.yahoo.com/ > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=2875&t=2804 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]