maximum transmission unit (MTU): A maximum transmission unit (MTU) is the largest size packet or frame , specified in octet s (eight-bit bytes), that can be sent in a packet- or frame-based network such as the Internet. The Internet's Transmission Control Protocol (TCP) uses the MTU to determine the maximum size of each packet in any
Nov 28, 2018 · Unfortunately Comcast Internet packet loss is a real issue that is affecting gamers and streamers everywhere. However, there’s a solution to all this, which has been confirmed by many members of online gaming community: Speedify! Read below to see how Speedify can help fix Comcast internet packet loss. I'm directly connected to my SB6183 Modem, and any site I go to, to test IPv6 comes back with bad results. Test with IPv4 DNS record - ok (0.066s) using ipv4 Test with IPv6 DNS record - ok (0.108s) using ipv6 Test with Dual Stack DNS record - ok (0.053s) using ipv6 Test for Dual Stack DNS and large packet - ok (0.060s) using ipv6 Test IPv4 without DNS - ok (0.055s) using ipv4 Test IPv6 without Jul 17, 2019 · The Cisco DPC3941B Comcast Gateway is a Business Wireless Gateway often given to Comcast Business customers for their Internet service. This equipment, by itself, is not recommended for use with VoIP service. Common issues include one-way audio, dropped calls, failed transfers and deregistrations, among others. Interestingly, Comcast Xfinity’s biggest data plan provides 1 Gbps downstream rates, which can be supported on the DOCSIS 3.0 modem. That is why a DOCSIS 3.1 modem is only good for future-proofing, but considering most ISPs in America are regional monopolies, it’s hard to argue there is much incentive for them to do this anytime soon. • Setting the MTU value to 1480. Most cable and some DSL ISPs allow 1500 which is the optimal setting. If your router are logging in to the ISP using PPOE a max MTU of 1492 must be used. For AOL Plus users 1400 is recommended as MTU value. • Selecting the open/on option on “Nat Filtering” • Check if your router using MAC filtering maximum transmission unit (MTU): A maximum transmission unit (MTU) is the largest size packet or frame , specified in octet s (eight-bit bytes), that can be sent in a packet- or frame-based network such as the Internet. The Internet's Transmission Control Protocol (TCP) uses the MTU to determine the maximum size of each packet in any
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Nov 29, 2010 · Solved: Trying to do GRE tunneling over the Comcast network. Have Cisco Catalyst 3560's at each end. Can get the tunnel to work if switches are cabled "back-to-back" but cannot get it to work over the Comcast network. Comcast will take a variety of prefixes. The default PD is 64; the Macbook is probably getting a 128-bit NA rather than a PD. Try these settings in DD-WRT's Setup->IPv6 tab to get a working configuration: DHCPv6 with Prefix Delegation Prefix length 64 MTU 1500 Dhcp6c custom disabled Dhcp6s custom disabled Radvd ENABLED
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Apr 22, 2020 · At Comcast, each of our voices is unique and everyone's input matters. Come as you are, but bring big ideas + a fresh perspective as we collaborate to create new technology and make an impact on the communities we serve. If you use have an account at Comcast and you want to configure your mail client (Microsoft Outlook, Mozilla Thunderbird etc.) to send emails, you simply need to enter Comcast’s SMTP settings in its server configuration field: Here are Comcast’s SMTP settings: Comcast SMTP server name: smtp.comcast.net Comcast SMTP username: your Comcast email address Comcast […] Comcast Business Fiber and Metro Ethernet both use an interesting way to get the static IPs to the customer. In my example, the LAN will be 10.1.1.x/24, Comcast will give you two blocks, a 1.2.3.4/30 for routing and a 2.3.4.16/28 for your use as public IP addresses. Update after comcast tech vist. Speed at line before the modem with comcast device 1100. Speed though my modem and to comcast device 980. So probably my PC's and network are the limiting factor. I am ok with that. New router will help distribute the available speed more effiecently to devices in home.