www.southparkstudios.com is a useful site for checking IPv6 functionality. YouTube, probably due its fallback capacities (PPAP, HTML 5) is much more tolerant. So it was of interest to recently that I could access South Park at the gf's place, but not at home.
home setup
At home, we have ATT ADSL split between roommates. Service was initiated during the years when ATT provided Linksys E1000 routers in tandem with Motorola 2210-02 modems. This equipment is questionable; the Motorola overheats if it's breathed on, and the Linksys has no IPv6 support. This post is about the latter.To set-up IPv6, we only want one IPv6 choke-point, so we want the modem to pass everything (bridge mode) and do the PPoE inside the router. But can we get the E1000 to do IPv6? Appears not easily.
Step 1 - ISP
Contact with ATT today noted that their DNS servers are resolving in IPv6.Step 2 - Modem and Router
Modem is not in bridge mode; it's providing DHCP downstream to the LAN (E1000 Router). Unclear whether that's already degraded or filtered to IPv4-only coming from modem. Also it appears that the modem cannot be set to bridge mode without physical modification.The router itself is not inherently IPv6 capable, so it may be worthwhile to start there. ATT sells the IPv6 Motorola NVG510 modem/router combo for $100. That one's not been getting good reviews. Another option is say, the less expensive D-Link G604T ($60). Outdated, but OpenWRT or DD-WRT should handle things.
E3000 v.2.1 (dd-wrt)
In an attempt to enable IPv6, installed dd-wrt software. Apparently the E3000 has a small (4MB) memory capacity so we're only looking for K2.6 builds, which run about 3.3MB. It was also suggested to keep Tx power down around 45mW for best throughput. I'll probably set my MTU filter at 1500 or 1400. We'll see.Couple of useful links:
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