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- About Todd Killian
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Member since
12-26-2013
9
Posts
5
Helpful
1
Solution
10-15-2018
06:14 AM
I found the Tips and Tricks guide at http://www.download.safeplus.pl/Prezentacje/Cisco%20Live%20San%20Diego%202015/BRKSEC-2018.pdf
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04-23-2018
02:12 PM
I just received five 3850-48P-E switches. Some have 03.06.06E ((CAT3K_CAA-UNIVERSALK9-M), Version 03.06.06E) and some have 16.3.6 ((CAT3K_CAA-UNIVERSALK9-M), Version 16.3.6) . Why are they so different? I would like to maintain one version of IOS across all of them. Which IOS would I choose?
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- Tags:
- 3850 IOS
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07-31-2017
07:59 AM
I had this problem too. I had made some changes on the previous day, I somehow deleted the group-policy from the tunnel-group. Once I applied the group policy it started working again.
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Created by
Todd Killian
in IP Telephony and Phones
in IP Telephony and Phones
12-27-2013
08:39 AM
12-27-2013
08:39 AM
I found a resolution to this issue. Using the alternate TFTP address is the correct solution. I found that the phone was using the TFTP address to download the configuration from Call Manager. The problem was we had changed the IP addressing of our DNS servers about 6 weeks ago. The new addresses for the DNS server were on the same network as one of the interfaces for the ASA. We use host names for the server address. When the phone sent a request to the DNS server to resolve the host name the response was returned on a different interface than it was sent and was blocked by the ASA. Luckily we have 3 DNS servers so I changed the routing to the 3rd one to go out the same interface it would return. The phone registers now and user mobility works too. Todd
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Created by
Todd Killian
in IP Telephony and Phones
in IP Telephony and Phones
12-27-2013
06:02 AM
12-27-2013
06:02 AM
Carlo, Technically that is possible but not efficient. I would spend hours every week setting up new remote users. It is not a solution I am willing to pursue. Todd
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Created by
Todd Killian
in IP Telephony and Phones
in IP Telephony and Phones
12-27-2013
05:49 AM
12-27-2013
05:49 AM
Carlo, I understand where you are coming from on the DHCP server but this issue is with end users mostley working from home. We would have to set up a DHCP server on each person's PC then have the phone request DHCP from that PC, assuming the user has even powered the PC up and logged in at that point. It would be easier to manually set up each phone after it arrived at the location. I am looking for a broader hands off solution that would allow the user to simply plug in the phone and be able to use it. Todd
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Created by
Todd Killian
in IP Telephony and Phones
in IP Telephony and Phones
12-27-2013
05:34 AM
12-27-2013
05:34 AM
Carlo, I went as far as the GUI for the modem would allow, but could not find a setting for TFTP. I even contacted the provider who insisted they do not have a setting for TFTP in DHCP. Yes the TFTP address is configured with the IP address of the cable modem. That is problem and trying to figure out how to work around it. Todd
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Created by
Todd Killian
in IP Telephony and Phones
in IP Telephony and Phones
12-27-2013
05:11 AM
12-27-2013
05:11 AM
The phone ARPs for the DHCP server so it can pick up a local address from the cable modem/router. The issue only happens when a phone picks up a TFTP server address during DHCP. Todd
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Created by
Todd Killian
in IP Telephony and Phones
in IP Telephony and Phones
12-26-2013
08:15 AM
12-26-2013
08:15 AM
Hi everyone, I am having a problem with remote 7945 phones that have been deployed. The remote connection is set for VPN connection to an ASA 5525. Many phones have worked but I have found that approximately a 1/3 of the phones are failing to launch the VPN. I have found that the phones fail because they have been given a TFTP address from the local cable modem. The TFTP assigned is the modem's address and thus the phone is sending the TFTP request to the cable modem. I have manually changed the Alternate TFTP setting on the phone which does launch the VPN but it never completed the registration after the VPN is established. The phone receives and IP address from the proper pool, the same pool that successful VPN phones have used. It simply tries to register over and over again. I have also turned off Enable Auto Network Detect in both the VPN Profile and VPN Parameters. Unfortunately the phone does not launch the VPN and shows a "TFTP error:" followed by a "No IPv4 TFTP server" error. I am not sure where to go to from here. Any help would be appreciated. Todd
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Labels:
10-15-2018
I found the Tips and Tricks guide at
http://www.download.safeplus.pl/Prezentacje/Cisco%20Live%20San%...
04-23-2018
I just received five 3850-48P-E switches. Some have 03.06.06E
((CAT3K_CAA-UNIVERSALK9-M), Version 03...
07-31-2017
I had this problem too. I had made some changes on the previous day, I
somehow deleted the group-pol...
Created by
Todd Killian
in IP Telephony and Phones
12-27-2013
12-27-2013
I found a resolution to this issue. Using the alternate TFTP address is
the correct solution. I foun...
Created by
Todd Killian
in IP Telephony and Phones
12-27-2013
12-27-2013
Carlo,Technically that is possible but not efficient. I would spend
hours every week setting up new ...
Created by
Todd Killian
in IP Telephony and Phones
12-27-2013
12-27-2013
Carlo,I understand where you are coming from on the DHCP server but this
issue is with end users mos...
Created by
Todd Killian
in IP Telephony and Phones
12-27-2013
12-27-2013
Carlo,I went as far as the GUI for the modem would allow, but could not
find a setting for TFTP. I e...
Created by
Todd Killian
in IP Telephony and Phones
12-27-2013
12-27-2013
The phone ARPs for the DHCP server so it can pick up a local address
from the cable modem/router. Th...
Created by
Todd Killian
in IP Telephony and Phones
12-26-2013
12-26-2013
Hi everyone,I am having a problem with remote 7945 phones that have been
deployed. The remote connec...
Public Statistics
| Date Registered | 12-26-2013 07:26 AM |
| Date Last Visited | 10-18-2018 06:16 AM |
| Total Messages Posted | 9 |
| Total Helpful Votes Received | 5 |
Helpful Votes Given To
