We run pretty much exactly what you describe in the 100Gbps+ scale using MX480s with RE-S-1800 and don't have any problems.
Contact me off list if you need any tips. On 13-07-02 04:58 AM, Morgan McLean wrote: > Hi, > > I've only really dealt with traffic levels under 20Gbps. I have a client > that will be pushing over 100gps, and close to 200 within the next six > months, at least thats the goal. Judging by the type of traffic it is...I > could see it happening. I'm probably in over my head, but thats another > topic. > > The plan is to run OSPF from a couple existing MX480s I setup to a new > switching core which is running VRRP and extending L2 out to existing end > of row switches. This leaves me with hoping that OSPF ECMP works well > enough to push these kinds of traffic levels over a bunch of 10GE links, > load balancing between the upstream MX routers. Can I rely on ECMP for this > type of setup? Each MX will have about 50Gbps provider connectivity to > start, and will have ~150Gbps by the time the contracts ramp up. The MX's > are not at the same site, so I'm limited to using 10g links site to site > over their cwdm. > > This leaves me then with a problem; getting a bunch of capacity in L2 form > to the EOR switches. At least on the EX4500 (we will move to bigger), the > max number of links for a lag is 8, so 80Gbps. And I can't expect to really > make complete use of that. Do people use MSTP for this purpose at all? > Spreading environments over a couple 80GB, or a few 40GB lags? I could also > run 40GE ports in lag...but will juniper devices allow LAGs with 40GE ports? > > Also...any tips on handling all of the provider connections? I don't know > if they will be giving us lags, which means I'll be potentially running > 10-15 BGP sessions per MX, which is a lot of routes. They're running the > RE-S-1800 quad core 16GB, but should I opt for partial or just default at > that point? Its possible all of the links will be from the same provider. > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
