07-16-2017 11:43 AM
Repro on two systems running Win10Pro
Latest bios on RV042G (checked yesterday)
Comcast commercial account
Arris SB6190 cable modem
firmware ver 9.1.93V
IPv6 works internally and externally on my network.
IPv4 tracert and ping works on my internal network, behind the RV042G
I can ping -6 and ping -4 to google.com
tracert -6 to google.com works.
tracert -4 to google.com fails tried many different sites, same result. (which also causes PingPlotter to fail on all external ipv4 addresses)
I'm wondering if the RV042G is blocking the ICMPv4 somehow?
C:\WINDOWS\system32>tracert -4 google.com
Tracing route to google.com [172.217.3.174]
over a maximum of 30 hops:
1 * * * Request timed out.
2 * * * Request timed out.
3 * * * Request timed out.
4 * * * Request timed out.
5 * * * Request timed out.
6 * * * Request timed out.
7 * * * Request timed out.
8 * * * Request timed out.
9 * * * Request timed out.
10 11 ms 10 ms 9 ms sea15s11-in-f14.1e100.net [172.217.3.174]
Trace complete.
C:\WINDOWS\system32>ping -4 google.com
Pinging google.com [172.217.3.174] with 32 bytes of data:
Reply from 172.217.3.174: bytes=32 time=12ms TTL=54
Reply from 172.217.3.174: bytes=32 time=10ms TTL=54
Reply from 172.217.3.174: bytes=32 time=16ms TTL=54
Reply from 172.217.3.174: bytes=32 time=9ms TTL=54
Ping statistics for 172.217.3.174:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 9ms, Maximum = 16ms, Average = 11ms
C:\WINDOWS\system32>tracert -6 google.com
Tracing route to google.com [2607:f8b0:400a:808::200e]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 2601:600:967f:d41d:be67:1cff:fef7:d3e4
2 10 ms 7 ms 9 ms 2001:558:4082:3::1
3 12 ms 9 ms * te-0-0-0-2-sur02.bellevue.wa.seattle.comcast.net [2001:558:a2:38::1]
4 9 ms 10 ms 9 ms be-1-sur03.bellevue.wa.seattle.comcast.net [2001:558:a0:f6c0::2]
5 10 ms * * be-40-ar01.seattle.wa.seattle.comcast.net [2001:558:a0:f6c3::2]
6 12 ms * * be-33650-cr01.seattle.wa.ibone.comcast.net [2001:558:0:f769::1]
7 10 ms 11 ms 10 ms be-10847-pe02.seattle.wa.ibone.comcast.net [2001:558:0:f5b8::2]
8 20 ms 10 ms 10 ms 2001:559::aa2
9 10 ms 10 ms 10 ms 2001:4860:0:1041::1
10 11 ms 10 ms 10 ms 2001:4860:0:1::9bf
11 9 ms 9 ms 11 ms sea15s11-in-x0e.1e100.net [2607:f8b0:400a:808::200e]
Trace complete.
07-17-2017 07:57 PM
It looks like the RV042G is filtering out ICMP Type 11 (Bh) packets --expired ICMP packets.
If its not doing it, then what could it be?
My Comcast modem is an Arris SB6190 pass through modem, with no firewall.
It didn't used to do this.
Could Comcast be filtering these packets?
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