I think most wait until they need multicast tunneling, or GRE/IPIP.
IOS does it for free, but only 10-100mb/sec. The idea with the tunnel
PIC is that it can do gigabits, though I haven't tested it yet...
Avi
>
> In Juniper one needs a Tunnel PIC:
> http://www.juniper.net/techpubs/hardware/m160/m160-picinstall/html/pic-description21.html
> in order to create GRE or IP/IP tunnels. What exactly is so special in
> managing a tunnel that one needs a special line card as compared to IOS
> that provides tunnel support for free in IOS? Do most ISPs buy the tunnel
> PIC when ordering a router or do you wait till a tunnel is needed?
>
> Thanks,
> Hank
>
This archive was generated by hypermail 2b29 : Mon Aug 05 2002 - 10:42:42 EDT