I have static IP's and a Comcast Business account. I think I have exactly what you have. On 6/30/19 9:13 AM, David Ranch wrote: > > I have AMPR working with Comcast Business though I'm using static > IPs.  To get static IP support, Comcast requires to configure a > screwly 1:1 NAT like setup as bridging does NOT work with statics > (wth?!).  I can give you details if you wish. > > http://kb3vwg-010.ampr.org/tools/ping/php-ping44.php?host=44.4.10.41&co… > > > --David > KI6ZHD > > > On 06/29/2019 10:38 AM, Brian Kantor wrote: >> Cathryn, >> >> I see your ping requests arriving at 169.228.34.84 no problem, >> and they are being encapsulated at sent to 50.79.209.150, again, >> no problem.  Nothing is coming back from 50.79.209.150. >> >> This suggests that something is filtering out protocol 4 (IPIP) >> between 169.228.34.84 and 50.79.209.150. >> >> A traceroute from 169.228.34.84 to 50.79.209.150 using ordinary >> UDP works, completing after 18 hops.  The last few hops in that >> path look like this: >> >> 14  162.151.87.226  12.097 ms  12.315 ms  12.088 ms >> 15  162.151.79.134  12.735 ms  12.744 ms  12.773 ms >> 16  68.87.227.122  13.080 ms  12.983 ms  12.920 ms >> 17  * * * >> 18  50.79.209.150  37.676 ms  42.664 ms  33.084 ms >> >> A traceroute from 169.228.34.84 to 50.79.209.150 using protocol 4 >> (IPIP) does not complete, and there are no responses beyond hop >> 15.  The last few hops are: >> >> 12  68.86.84.150  11.117 ms  12.601 ms  12.734 ms >> 13  68.86.94.154  11.761 ms  11.743 ms  11.340 ms >> 14  162.151.87.226  12.469 ms  12.162 ms  12.392 ms >> 15  162.151.79.134  12.757 ms  12.800 ms  12.797 ms >> 16  * * * >> 17  * * * >> 18  * * * >> >> This suggests that hop 16, 68.87.227.122, is not accepting/passing >> protocol 4 packets.  The hostname for that host is >> lag-2-240-acr07.pinole.ca.sfba.comcast.net. >> >> I hate to throw you to the wolves of comcast's customer service line, >> but you may need to find out from them if they suddenly started >> filtering >> out inbound IPIP packets at that router. >>     - Brian >> >> >> On Sat, Jun 29, 2019 at 09:50:40AM -0700, Cathryn Mataga via 44Net >> wrote: >>> Date: Sat, 29 Jun 2019 09:50:40 -0700 >>> From: Cathryn Mataga &lt;cathryn(a)junglevision.com&gt; >>> To: AMPRNet working group &lt;44net(a)mailman.ampr.org&gt; >>> Subject: Connecting to 44net >>> >>> I'm not connected to 44net anymore, when I ping, to me at least, my >>> outgoing packets look correct, but I get no response ever. >>> >>> I'm trying to put together as much as I can. My gateway ips 44.4.28.50 >>> at 50.79.209.150, I have a static IP. >>> >>> I'm current on the portal, far as I can tell with no error messages. >>> >>> >>>    ping 44.0.0.1 >>> PING 44.0.0.1 (44.0.0.1) 56(84) bytes of data. >>> *no response ever >>> >>> I see the outgoing, but never the ping back. >>> >>> tcpdump -vv -i enp4s0 host 169.228.34.84 >>> tcpdump: listening on enp4s0, link-type EN10MB (Ethernet), capture >>> size >>> 262144 bytes >>> 09:39:25.982188 IP (tos 0x0, ttl 64, id 54479, offset 0, flags [DF], >>> proto IPIP (4), length 104) >>>       hamradio.junglevision.com > amprgw.ucsd.edu: IP (tos 0x0, ttl >>> 64, >>> id 14161, offset 0, flags [DF], proto ICMP (1), length 84) >>>       ke6i.ampr.org > gw.ampr.org: ICMP echo request, id 25489, seq >>> 105, >>> length 64 >>> 09:39:27.006173 IP (tos 0x0, ttl 64, id 54594, offset 0, flags [DF], >>> proto IPIP (4), length 104) >>>       hamradio.junglevision.com > amprgw.ucsd.edu: IP (tos 0x0, ttl >>> 64, >>> id 15137, offset 0, flags [DF], proto ICMP (1), length 84) >>>       ke6i.ampr.org > gw.ampr.org: ICMP echo request, id 25489, seq >>> 106, >>> length 64 >>> >>> I occasionally see one of these, which hints to me that ipip is making >>> it to my gateway. >>> >>> 09:39:15.386222 IP (tos 0x20, ttl 48, id 32657, offset 0, flags >>> [none], >>> proto IPIP (4), length 60) >>>       amprgw.ucsd.edu > hamradio.junglevision.com: IP (tos 0x0, ttl >>> 237, >>> id 33644, offset 0, flags [none], proto TCP (6), length 40) >>>       no-reverse-dns-configured.com.46324 > ke6i.ampr.org.finger: >>> Flags >>> [S], cksum 0x039d (correct), seq 2046795537, win 1024, length 0 >>> >>> >>>    ip tunnel list tunl0 >>> tunl0: any/ip remote any local any ttl 64 >>> >>> ifconfig tunl0 >>> >>> tunl0: flags=4289<UP,RUNNING,NOARP,MULTICAST>  mtu 1480 >>>           inet 44.4.28.50  netmask 255.255.255.255 >>>           tunnel   txqueuelen 1000  (IPIP Tunnel) >>>           RX packets 2259  bytes 305270 (298.1 KiB) >>>           RX errors 0  dropped 0  overruns 0  frame 0 >>>           TX packets 2874  bytes 233904 (228.4 KiB) >>>           TX errors 232  dropped 0 overruns 0  carrier 0 collisions >>> 232 >>> >>> ifconfig enp4s0 >>> enp4s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 >>>           inet 50.79.209.150  netmask 255.255.255.240 broadcast >>> 50.79.209.159 >>>           ether 8c:89:a5:64:04:4c  txqueuelen 1000 (Ethernet) >>>           RX packets 140452  bytes 25244334 (24.0 MiB) >>>           RX errors 0  dropped 473  overruns 0  frame 0 >>>           TX packets 53461  bytes 5807456 (5.5 MiB) >>>           TX errors 0  dropped 0 overruns 0  carrier 0 collisions 0 >>> >>> ampr-ripd -d  -t 44 -a 44.4.28.50/32  -s -L ke6i@cm87uu >>> Using gateway 50.79.209.158 for direct 44net endpoints via >>> interface enp4s0. >>> Calling home >>> Waiting for RIPv2 broadcasts... >>> Simple password: *********** >>> >>> >>> ip rule list >>> >>> 0:      from all lookup local >>> 44:     from all to 44.0.0.0/8 lookup hamradio >>> 45:     from all iif tunl0 lookup hamradio >>> 45:     from 44.4.28.50 lookup hamradio >>> 32766:  from all lookup main >>> 32767:  from all lookup default >>> >>> >>>    ip route list table hamradio >>> 44.0.0.1 via 169.228.34.84 dev tunl0 proto 44 onlink window 840 >>> 44.2.0.1 via 191.183.136.1 dev tunl0 proto 44 onlink window 840 >>> 44.2.2.0/24 via 216.218.207.198 dev tunl0 proto 44 onlink window 840 >>> ... >>> >>> I don't think it's a firewall issue, I've turned off firewall and it >>> doesn't fix anything. >>> >>> My route table looks healthy, so I think ampr-ripd is worrking >>> correctly? >>> >>> Tried to include as much information as I can, thanks for any help! > > _________________________________________ > 44Net mailing list > 44Net(a)mailman.ampr.org > https://mailman.ampr.org/mailman/listinfo/44net