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Is prefix delegation not supported on the cga4131com?

Am I barking up the wrong tree trying to get this to work? I have a /29 block of static IPs so am using the modem in pass through mode, not bridge mode. Edit: After putting the cga4131com in bridge mode (using dhcp ipv4 wan as required) prefix delegation works instantly. This is a breath of fr

Question

 • IPV6

52

2

0

Accepted Solution

Closed

Cannot connect to Xfinity Wifi with business class username/password

Im not sure if this has been talked about before. Regardless of what I try, I cannot connect to any XFinity WiFi hotspots using my business class login information. Anyone else have this problem?

Question

 • Connectivity

7.4K

12

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How to route static ip block through router to virtual machines in VMWare.

As a network administrator, I want to route traffic directed to my static ip addresses to virtual machines running on a VLAN using Virtual Switch Tagging. My MTA running on a virtual machine on a VLAN can deliver mail outside of my local network.My MTA running on a virtual machine can recieve mail f

Question

 • Domain Names/Static IP

4.2K

9

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Accepted Solution

Reset the cusadmin password

We need to access the Admin Tool but whoever set it up changed the default password and didn't document it. How do I go about resetting it?

Question

 • Equipment

166

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*Proper* Static IP Config

I am asking this here since Comcast Reps will not advise on device configuration for Static IPs., so I am hoping someone can shed some light on this. I have a BWG modem (being replaced soon) and a block of 5 Static IPs, x.x.x.25 – x.x.x.29, with a "gateway IP" of x.x.x.30. Now, if I manually c

Question

 • Domain Names/Static IP

216

1

0

Accepted Solution

Do I have static IPv6 addresses?

For the first time, I logged into my Comcast Business account, went to the "Manage Services", "Internet", page, and noticed a link to "View Static IP", so I clicked on it.It brings up a page that not only shows the static IPv4 addresses I know very well, but also "Static IPv6 Information", which is

Question

 • IPV6

17K

1

0

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/59 prefix delegation block changed...

I have a /56 static on Comcast Business. Recently I had a cable modem issue (as determiend by comcast) and the cable modem was replaced.  Everything is working, but I received a different /59  (still inside my /56) so I had to renumber several vlans!  How do I keep this from changing

Question

 • IPV6

937

51

0

Accepted Solution

PTR Request

Need help with a PTR request

Question

 • Domain Names/Static IP

1.1K

3

0

Accepted Solution

Comcast’s name servers

Business Class customers have contacted us asking, “What are Comcast’s name servers?  I need to know so I can use my own domain for Comcast services.”

Question

 • Domain Names/Static IP

11.6K

1

0

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Disconnecting service.

When Comcast credited my payment to the wrong account last May, my subsequent payments were always one month late, but still early enough not to incur a late fee. As such, I was not aware of the misplaced payment until I was charged with a late payment fee several months later. That led me to resear

Question

 • Connectivity

4.3K

5

Accepted Solution

Received replacement modem, /very/ displeased with receiving a discontinued refurbished device.

In a previous post, https://forums.businesshelp.comcast.com/conversations/equipment/time-to-get-a-replacement-for-the-old-smcd3gccr/633cf41548c60d55e60592dc , I asked about replacing my old SMCD3G as it was starting to randomly lock up, requiring a power cycle.Getting a replacement was painless, cre

Question

 • Equipment

150

1

0

Accepted Solution

Time to get a replacement for the old SMCD3G-CCR?

I have a SMC SMCD3G-CCR with five static IP's, routing/firewalling is handled by an external device (the SMC doesn't have the memory/grunt to deal with my stack).Recently, the SMC has started randomly 'hanging'. My firewall stops being able to ping the public facing IP assigned to the modem, and tr

Question

 • Equipment

126

2

0

Accepted Solution

Slow upload on static IPs

I've been trying to pin down the cause of some machines having slow internet upload speed and I seem to have tracked it down to static IPs. Machines that get NAT addresses straight from the modem have good upload speed but everything that is assigned a static IP, either routers or individual machine

Question

 • Domain Names/Static IP

957

10

Accepted Solution

password reset

I am unable to sign into my comcast gateway with the default username and password. Could I get the password reset please? Thanks!

Question

 • Equipment

1.9K

3

Accepted Solution

Comcast Business Contract Renewal - Customer-Owned Equipment

In 2020 I contracted with Comcast for a package called Business Internet 500, and I have been able to use my own modem (a Netgear CM1000) for Internet service (no other services). As the contract was nearing expiration, I called and spoke with a sales representative. He told me that Comcast Business

Question

 • Equipment

390

4

Accepted Solution

PTR records or ideally forwarding please :)

I host my own name servers and have a new /28 block and /56 block ipv4/6 from comcast and I would like to be able to manage my own PTR records (e.g.: [rfc2317](https://www.rfc-editor.org/rfc/rfc2317)) for my static ipv4 and ipv6 blocks.  If not, here is the list of ip addresses and their names

Question

 • Domain Names/Static IP

62

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Accepted Solution

CANNOT ACCESS 10.1.10.1 BUSINESS MODEM

Needing to access the Comcast Modem 10.1.10.1 in order to set new ip addresses in firewall acceptance. I cannot access 10.1.10.1 i get the spin on Chrome and ERR_CONNECTION_RESET thats all nothing. I tried using WIFI, the router that is plugged into the modem and hardwire directly into the modem, no

Question

 • Connectivity

8.3K

5

0

Accepted Solution

Official Solution

Closed

CBR-T Manual

I recently upgraded my service and I have this new CBR-T wireless router.  When first installed I did not have time to reset all my rules from my old router so I called support to get a manual on the modem.  They asked what I needed and they switched the modem to passthrough mode. I now want to use

Question

 • Equipment

18.1K

17

Accepted Solution

Also - Mystery BROADCOM_GUEST wifi hotspots...

I've had an escalated ticket put in for two weeks, with no answer from Comcast at all on what is going on. I have 6 mystery broadcom guest wifi hotspots, plus a "hidden network" hotspot coming from my comcast business modem. There was another post about this, with 2 people having the same issue, and

Question

 • Business WiFi

4.7K

9

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How does Connection Pro work? *I'm having issues with it.*

Hello, I am hoping for clarification on how this service is supposed to work in a real business setting? My understanding is that the customer has a business cable modem/router combo that they get their general service from. Then the Connection Pro device is connected to the primary device via cat 5

Question

 • Connectivity

6.2K

10

0