Forgot to add we are running MX80 on Junos 11.2 On 6 February 2012 19:56, biwa net <[email protected]> wrote:
> Hi Guys > We are experiencing some issues in one of our client sites, > > Basically we migrate from a Cisco to a Juniper MX80, and since there has > been some issues, mainly we are seeing IP addresses being shared by 2-3 > mac address, to be precise , mac address being rewritten , ie: one IP is > being seen on the Juniper owned by 3 different mac address within one hour > ( the 1st mac address is being re-writen by the 2nd one and then 2nd by > the 3rd mac). > > This is causing a lot of users not having any kind of internet > connectivity.When we rollback to the Cisco device , this issue does not > occur. > > After investigation we can safely eliminates the DHCP server being the > cause of issue (, also proved when Cisco is roll back in the topology), > > The config of the Cisco is fairly simple and is almost 99.99% than the one > being copied over to the Juniper. > > One thing we notice is that both Cisco and Juniper has proxy-arp > configured on some of the interface, and we are planning in our next > maintenance to disable it. > > my question is: is the proxy-arp behavior in Juniper slightly different > than the Cisco ? > > thanks for your inputs > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

