Hi Nanogers, A brief introduction before i begin. I am Abhishek and am doing my masters in Comp Sc. from IT BHU. This is my first mail to Nanog, which i believe has the most number of network operators in its list. We have simulated a mini model of the Internet here in our labs with around 50 dedicated linux machines. We use and play around with Zebra for routing. I know its a small number to simulate the 'Internet' but its something that we have just started off with, and we hope to expand as time flies by. We are now facing a small problem and i want to know what people, who manage the 'real' networks do in such cases: We use a combination of OSPF and ISIS inside the autonomous systems as the IGPs and BGP4 as the EGP to interconnect the ASes. I am receiving two BGPv4 routes for a network (some server announcement) from two of my upstream peers (each of which happens to be, unfortunately in a different AS). For me both the routes are similar in preference & hence can install both of them in my forwarding table to split the traffic across these autonomous systems. My question is, that is this allowed and is it the right thing to do? What i mean by this is, that if i install the two routes in my forwarding table, and i announce just one, then am i not hiding information about the routes that i am using from my downstream peers? I take it, that this is a very normal scenario and people on this list must have seen it many times. How do people deal with this. Do they install just one route, despite having multiple ways to reach a network(s). Thanks, Abhishek P.S. I searched for a group similar to Nanog that caters to South East Asia and found out about SANOG. Is the group alive? I could see no mail archives there. -- Class of 2004 Institute of Technology Varanasi -- India