upgraded a rb450g and can now only get ethernet link on port1, not on rest of the ports.

Specifying ranges of confederation-peers under bgp-instances is broken in winbox.
works from cli but not from winbox.

Also making any change on bgp-instance window in winbox causes configuration entered in cli to be lost.

NAT64 is for scenarioes where you do not allocate a v4 address to the customer, and instead use a gateway to fetch v4 resources on the internet that is then translated back into v6.

Opensource implementation

Cisco's description

500 ms is min delay on ubuntu at least
sysctl net.ipv4.route.gc_min_interval_ms

http://linux-ip.net/html/routing-cache.html

basically a quick lookup table made from the main routing table.

having this size as a configurable value would be a nice addition for using routeros as a router

routeros 3.x just isnt stable on rb133c, use 2.9 instead.

A cold restart seems to fix this, seems like netfilter do not load after a warm reboot on rb133/133c.