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- About greenturtlesteak
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Member since
11-17-2004
173
Posts
36
Helpful
13
Solutions
03-09-2017
02:52 PM
Ran a packet capture today while connected to a business Netgear modem/router and didn't get a single DHCPv6 packet.
The problem is likely that device is functioning as a full router and not a bridge like my modem at home is. In any case, it does seem to be the node that I am connected to that contains this bug in it's software. No level of escalating with Comcast is likely to get them to upgrade the software on that system, so I'll just wait it out and at some point in the future they might fix the issue.
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03-06-2017
09:58 AM
I am in south florida. Going to get a capture when connected to a Netgear modem on their business service. Will keep you posted.
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03-05-2017
08:53 PM
Using a SB6183 as well. Good eye on the RA packets. Seeing the same on my captures. Initially overlooked that.
Wouldn't surprise me if it is a Comcast issue. Their support naturally wanted to point the blame at the "customer owned modem". I have a tech coming out tomorrow for an outage that has since been corrected. Will try and run that by him to see if there is anything that can be done...Not holding my breath though.
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03-05-2017
02:09 PM
Confirmed the same problem (behavior by design) exists on the 5506. Also curious if the problem could lie in the Arris 6183 firmware and not on Comcast's upstream routers.
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03-05-2017
12:41 PM
Hitting the same issue. Using Comcast as well.
Arris 6183 (Bridge/passthrough) -> Cisco ASA 5506-X (running 9.6.2(11)) -> My network
You might want to adjust your outside interface to include the following:
ipv6 nd reachable-time 3600000
I found that when I used the same config you had on your outside interface, I would receive the following error when enabling ipv6 on the interface:
%ASA-3-325001: Router fe80::201:5cff:fe83:7e46 on outside has conflicting ND (Neighbor Discovery) settings
Show ipv6 routers would include the conflict statement as you noted. Adjusting reachable-time makes that go away, yet I am still with no ipv6 connectivity through the ASA.
Also seeing the same asp drops from the exceeded hop limit when set to 0. From the looks of things, it's a bug on Comcast's side.
Also found this post on reddit regarding the matter:
https://www.reddit.com/r/ipv6/comments/5vcd8q/cisco_asa_5500xdhcpv6comcast_issues/
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Created by
greenturtlestea
in Voice Systems
in Voice Systems
10-29-2012
01:26 PM
10-29-2012
01:26 PM
Running into a weird issue at one of my client's sites. They are using a UC560 with a PRI trunk and about 40 phones. Every day the receptionist forwards calls coming into the main line to an answering service. Periodically the call-forward is removed. I initially thought this issue was user error, so I took the following actions. Removed the main line shared extension from all phones except reception. Also configured night service on a floating extension to remove the possibility of the call-forward being removed by an end user. The next morning I received a call that all inbound calls werent working. Logged into the system and saw the call-forward on the floating extension to reception was removed automatically. At this point, I thought I was looking at a bug in either IOS, phone firmware or SCC. I upgraded IOS to 15.1(2)T4. Upgraded 7900 phones to SCCP 8.5.4 and the SPA500 phones to 7.4.9c. Even after making these changes, the call-forward is still being removed automatically. Opened a TAC case after observing these symtoms. SR #623619921. The tech advised that he ran into an issue some time ago where a bug in SCC was causing strange behavior with call-forwards but the symptoms were not exactly the same. At this point I feel fairly confident the issue is being cause by SCC Server but I havent been able to nail down the event causing the problem. Since opening the case with TAC, I have set up an FXS port as a skinny phone and put a call-forward on it to my personal phone number and assigned a new DID to it. I have also added this phone into the SCC Server config. To take things a step further I have a debug ephone detail for the FXS phone to go to a syslog server to capture the time in which this event happens, which I will cross reference with SCC Server trace logs. Has anyone else run into this issue? Could someone from the SCC team please chime in? Thanks! Cole
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Labels:
Created by
greenturtlestea
in Voice Systems
06-17-2012
08:25 PM
06-17-2012
08:25 PM
The flash card for CUE might be corrupt. Try and reinstall CUE and restore from backup to see if that fixes it. If it doesnt, try a different flash card. Cole
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Created by
greenturtlestea
in Voice Systems
06-13-2012
08:10 PM
06-13-2012
08:10 PM
This is a supported configuration and requires that you set up hardware based conferencing on your UC560. If this is a CCA configured box you'll need to go to configure>telephony>voice features>conference and enable multiparty conferencing. If this is a CLI box you'll have a bit more work to do, but still fairly straight forward. http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmeconf.html Cole
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Created by
greenturtlestea
in Voice Systems
04-10-2012
08:55 AM
04-10-2012
08:55 AM
Saw this at a client site the other week and then just replicated the problem on our production UC540 in house. Shared lines revert back to "normal" in CCA. Last week I removed all the extension and phones from the system and set them up again using different extension numbers. When I set them up this time around I set every extension as "shared" so that it would be an easy change if I needed to give someone an additional phone. I logged into CCA today and now every one of the lines is showing normal instead of shared. Shared lines in CCA have been troublesome since the feature was added, and i'm sure some of it is expected behavior. It does beg the question, for something so simple to do via CLI, why is it such a hassle with CCA? Anyone else run into this? Cole
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Labels:
02-03-2012
12:56 PM
Has anyone tried 7.4.9c firmware to see if the problem still exists in that load?
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UC560 script not firing from dial-peer
in Voice Systems
11-22-2011
08:09 PM
11-22-2011
08:09 PM
Hi Joe, Looks like you might be missing more required configuration. This link details the process. https://supportforums.cisco.com/docs/DOC-9795#Does_the_UC500_support_Dial_Inward_System_Access_DISA Cole
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Created by
greenturtlestea
in Voice Systems
09-30-2011
04:08 PM
09-30-2011
04:08 PM
That is correct. Only the 540 and 560 get the license upgrades with 8.2. Cole
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Created by
greenturtlestea
in Voice Systems
09-18-2011
10:38 AM
09-18-2011
10:38 AM
What firmware are you running on your SPA500 phones? Cole
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Created by
greenturtlestea
in Voice Systems
09-18-2011
10:36 AM
09-18-2011
10:36 AM
I don't believe this is a supported configuration. If you are able to get it to work at all you would be turning your firewall into swiss cheese. Setting up a VPN can be a hassle, especially for end users, but it is essential if you want support from Cisco for your remote users. Cole
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09-03-2011
12:40 PM
What version of IOS are you using? I seem to remember there being some problems with SSL VPN in 15.1(2)T2. I had a problem earlier this year with the SSL VPN on our UC540. When I turned on debugging for http ssl I would receive ssl handshake errors. I had to create a new trustpoint and generate a new certificate to fix the problem. Try doing show crypto ca cert to check the validity of your certificate. Cole
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03-09-2017
Ran a packet capture today while connected to a business Netgear
modem/router and didn't get a singl...
03-06-2017
I am in south florida. Going to get a capture when connected to a
Netgear modem on their business se...
03-05-2017
Using a SB6183 as well. Good eye on the RA packets. Seeing the same on
my captures. Initially overlo...
03-05-2017
Confirmed the same problem (behavior by design) exists on the 5506. Also
curious if the problem coul...
03-05-2017
Hitting the same issue. Using Comcast as well. Arris 6183
(Bridge/passthrough) -> Cisco ASA 5506-X (...
Created by
greenturtlesteak
in Voice Systems
10-29-2012
10-29-2012
Running into a weird issue at one of my client's sites. They are using a
UC560 with a PRI trunk and ...
Created by
greenturtlesteak
in Voice Systems
06-17-2012
06-17-2012
The flash card for CUE might be corrupt. Try and reinstall CUE and
restore from backup to see if tha...
Created by
greenturtlesteak
in Voice Systems
06-13-2012
06-13-2012
This is a supported configuration and requires that you set up hardware
based conferencing on your U...
04-10-2012
Saw this at a client site the other week and then just replicated the
problem on our production UC54...
11-22-2011
Hi Joe,Looks like you might be missing more required configuration. This
link details the
process.ht...
Created by
greenturtlesteak
in Voice Systems
09-18-2011
09-18-2011
What firmware are you running on your SPA500 phones?Cole
Created by
greenturtlesteak
in Voice Systems
09-18-2011
09-18-2011
I don't believe this is a supported configuration. If you are able to
get it to work at all you woul...
Public Statistics
| Date Registered | 11-17-2004 08:26 AM |
| Date Last Visited | 11-20-2019 12:05 AM |
| Total Messages Posted | 173 |
| Total Helpful Votes Received | 36 |
Helpful Votes From
| User | Helpful Count |
|---|---|
| 5 | |
| 5 | |
| 4 | |
| 5 | |
| 5 |
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