Anybody have any good idea? Thanks advance for any inputs, Xu Hu
Begin forwarded message: > From: TJ <[email protected]> > Date: 1 August, 2012 5:23:46 GMT+08:00 > To: Xu Hu <[email protected]> > Subject: Re: [c-nsp] IPV6 Path MTU DIscovery Test > Reply-To: [email protected] > > In order to test it, take one of the links along the path and change the > (IPv6) MTU to something smaller - say 1300B. Then send large packets, with > WireShark running. And no, you cannot disable PMTUD in IPv6. > > HTH! > /TJ > > > On Tue, Jul 31, 2012 at 6:43 AM, Xu Hu <[email protected]> wrote: > Hi Experts, > > I have some queries about the PMTU for IPv6. > 1. From my understanding, path MTU discovery in IPv6 allows a host to > dynamically discover and adjust to differences in the MTU size of every > link along a given data path, So the fragmentation is handled by the > source, if i want to test this feature in the IPv6 network, anyone have any > good ideas? > For example, as below topology, if i want to test the Path MTU discovery, > how to test, i can ping from CE-1 to CE--2 with a specific IPv6 packet > size. > CE-1------PE-1------------PE-2--------CE-2 > > 2. If i need to configure the Path MTU discovery, just one command > mentioned in Cisco.com, which is "ipv6 flowset" under configuration mode. > So if i want to disable that in test scenario, just using the "no ipv6 > flowset" is okay? Cisco don't mentioned that. > By default, it is enable for ip routers or not? > > Thanks for any inputs. > > Best Regards, > Hu Xu > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
