Cisco Switching/Routing :: 3750 IP Phone Not Registering With PBX / Signaling Server
Feb 20, 2013
I have an issue on the Cat 3750 on the voice vlan; IP Phone not registering with PBX & Signaling Server. The ip phone hits dhcp and gets an ip address from a data scope. Data scope does have dhcp options for voice, same as voice scope so it should work but it doesnt.We removed the switchport access vlan 50 command, and left the switchport access voice vlan 51, and now the phone registers.Anything I can check on the switch to make sure voice vlan is working? Any debug voice vlan commands?The switch doesnt seem to distinguish voice and data traffic.I check dhcp and both scopes vlan 50 and vlan 51 have the same configuration. Defautl GW is different of course Catalyst 3750 is running 12.2(25)SEE2 [code]
View 5 Replies
ADVERTISEMENT
May 29, 2013
Since Avaya phones do not run CDP, how does the phone know which DHCP pool to pull from to get its IP address if the PC is connected to the phone.
Let's say I have a interface config like this
interface gigabitethernet1/0/1
cisco3750(config-if)#switchport mode trunk
cisco3750(config-if)#switchport access vlan 126
[code]....
And two DHCP scopes configured on the switch. What keeps the phone from pulling from the wrong scope?
View 2 Replies
View Related
Feb 20, 2013
the phone connects to the 3750-A access layer switch (VTP mode client) which connects to the nexus 5596 (The nexus is the layer 3 device and set to vtp mode server) and finally we have a Voice recorder that connects to another access layer 3750-B switch.(VTP mode client)
For voice recording I need to setup RSPAN and the nexus5596 does not support RSPAN will the following have any impact on the nexus
IF I move the 3750-B to VTP server mode and run the command remote span on the VLan I need to Rspan its going to update the VTP data base in short it will update the vlan.dat file for all the switch in that VTP domain.
AS the vtp update reaches the nexus saying there is a change (keeping in mind the nexus does not support rspan not sure hows its going to handle that request and how its going to update its vlan.dat file)
Is it going to incremment the VTP revision number? can it crash the vlan.dat file on the nexus ? or do nothing and ignore the update and stop the update from proceeding to the 3750 A switch?
View 1 Replies
View Related
Jan 6, 2011
I have a CME on the other end of my MPLS network. When troubleshooting phone issues i setup a phone on the CME system in question and point its TFTP server to the address of the CME router. Now, i need to point this phone to another CME but it keeps registering with the previous one no matter what i do (the TFTP server is pointed to the new CME). I have tried turning off the auto register, and i have deleted the ephone and its mac address all together but it always registers with the wrong CME.
The phone is a 7962 with a 7914 expansion module.
View 10 Replies
View Related
Feb 19, 2013
I am moving an IP Phone from one subnet to another subnet.I have deleted the IP Phone configuration in call manager(System version: 7.0.1.11000-2); however, when adding the same device (same MAC address) again in the call manager, the call manager associates the phone with the old IPv4 address (even though the phone is turned off). The phone is booting up and getting a different IP address on the new subnet, and is always in the "Registering" state. The phone has the right CM IP, TFTP IP, etc. the only difference is the phone IP address and the IP address that the CM is showing in the phone device configuration. I also tried resetting/rebooting and restore phone to default factory setting but it doesn't work, i have few more devices on this new subnet that are working fine.
View 5 Replies
View Related
Feb 14, 2011
I know the AP541N can support the 7921 phone but all the documentation I've read assumes the AP541N is registering the phone with a UC500 system. I was curious if there would be any problems using this AP with a 7921 at a remote site (881SRST gateway used). It would be tieing into a CUCM BE system at the central office.
View 0 Replies
View Related
Aug 23, 2009
I have a contained environment where I just want my servers all to have the same time. I want them to pull that time from my 3750. What do I have to enable on the 3750 to be the NTP clock source.
Keep in mind that the 3750 will not be getting the source from anywhere else, just my "set clock" command.
View 6 Replies
View Related
Feb 3, 2013
How do i go about setting up a TFTP server from laptop to Cisco ws-C3750 48P Switch, I need to pull the image off the switch and place it on an other switch that has a corrupt image, The switch which is corrupted is the same as above Cisco ws-C3750 48P.
View 1 Replies
View Related
May 22, 2013
I am having an issue where MAC addresses from my user PC's are registering on different ports than the ones they are plugged in to. I have my PC's plugged in to my Cisco phones (most of which are 7941's), and then patched back to my switch, (4507 or 4006). The issue is that a user will be working fine, they will have both their PC and Phone MAC's registered on the correct prot and then with out intervention the PC MAC addresses will register itself with another physical port and the user will pull a 169.x.x.x address and have not access to the network. This is happening to multiple users all of which are hardwired. Port security is configured to allow 3 MAC's, obviously if I change that to 2 it will not allow an incorrect MAC's to register with that port, but I would like to know why this is happening. Both the 4507 and 4006 have been up for 1 year and 33 weeks. The fix has been to find out where their MAC has registered it self, unplugg that PC from the phone, and let the port security aging time (2min) clear all MAC's from the port.
View 3 Replies
View Related
Nov 18, 2012
We have a couple of 7911 that get stuck in Registering, each monday. During the week, no user reports the problem. But after the weekend, we get ready to hear complaints from our collegues. The same phones often experience this issue, although the other phones report no problems. The problem is temporarily solved when we issue "shut/no shut" on switch ports.
phone firmware version: SCCP11.8-5-2S
Interface configuration:
interface FastEthernet1/0/27
[Code].....
View 1 Replies
View Related
May 28, 2013
I have customer who has as Core Switch one Cisco Catalyst 3750 with the IOS c3750-ipbase-mz.122-35.SE5.I know that this image support DHCP Server configuration, but I like to implementate new vlans (approx 15) and I want to know if this switch support 15 DHCP Servers.
View 3 Replies
View Related
Jul 10, 2012
On a csico 3750 switch I have ntp server < IP of stratum 1 Time Server> I want the swit to sync to the to time server and provide time to peers on my network. Do I have to be configured for ntp peer < IP of stratum 1 Time Server> for that to work?
View 7 Replies
View Related
Aug 14, 2012
I am facing a problem in implementing HSRP. My scenario is like this, I have two 3750 switches and I have a server with two NICs. I want to run HSRP in these two switches. By the way the server is connected directly with the switches. I mean each NIC to each switch.we have teamed the two NIC (Active / Standby).what configuration need to done in switches to work HSRP.
View 4 Replies
View Related
Nov 14, 2011
Server with Two NIC teamed using HP teaming tool. NIC#1 connects to SW1 and NIC#2 connects to SW2
SW1--------------------NIC_1 (SERVER) NIC_2--------------------SW2
Will the config be access-port on Sw1 & Sw2 connecting to Server.Sw1 & Sw2 are connecting to 3750 as trunk ports
View 9 Replies
View Related
Aug 30, 2012
I installed some Nexus 5k to replace there 3750 and added dynamic routing. Well after working out most of the issues with most of the stuff, there is one issue that still remains. From what i understand (I have not made it abck to the site yet) when there users connect to VPN with IPSEC (they only use the thick client) they register there local ip address to DNS and thier VPN assigned IP address. At this time I dont have access to the configurations.
View 1 Replies
View Related
Oct 16, 2012
Today when we run one applcation to access a target server with IP address 10.2.2.13, the application cannot run through and appearing error message related networking.The target server has two network ports whereby another one with IP 10.2.2.14 is running OK with the same application. All these two connections are connected to the same Cisco switch 3750, after the switch then go to Cisco ASA firewall which has no access control rule for this 10.2.2.13 and its subnet, and then the firewall connect directly to the application server.We can ping, remote desktop access and telent port for the application to the target server by using 10.2.2.13.We swapped the cable connection of the ports from one another and try the application again, the IP with 10.2.2.13 is still fail and IP with 10.2.2.14 is OK.We then change the IP from 10.2.2.13 to 10.2.2.12 or 10.2.2.155, all are OK. We changed back to 10.2.2.13, it is failed again.The switch is in running real time production and so we cannot power cycle or reload the switch.
View 9 Replies
View Related
Jun 3, 2013
Actually i have a design from my customer who have ( Cisco core switch 3750 (allports fiber ports) which is connected to L2 switches , these switches carry servers and end users .the only routing protocol on the access switches is static route ,
My question how can i route the traffic from the server to the end user , as the the server is not direct connect to the core switch.
View 6 Replies
View Related
Dec 11, 2012
a new LAN installation, two VSS pair 6509 core, 15 closets, with 3750 stacks. Floor 15 only, devices/hosts can ping teh DHCP server but cannot aquire IP addresses. no such problem on other floors?
portfast an dother parameters are intact.
View 2 Replies
View Related
Feb 5, 2012
I'm looking to configure a syslog server for all of my cisco device logging. I've had a look at CNA and can't find any options to define a syslog server for my switches.
What's the best way to define a syslog server and the severity of the notifications? Also, i'm looking to clear all previous Syste mmessages fon my devices?
View 6 Replies
View Related
Aug 1, 2012
We have Dell M6220 blade server that server is connected to cisco 3750 switch. I am trying to configure LACP in 3750 for two port which are connected to Dell M6220 server switch. The channel-group 2 mode active commande is not taking then its showing the error protocol mismatch and if i run show int port-channel 2 command the port channel status is showing down. The Dell server switch is on simple mode. below i have attached the required details.
Switch#show int port-channel 2
Port-channel2 is down, line protocol is down (notconnect)
Hardware is EtherChannel, address is 0000.0000.0000 (bia 0000.0000.0000)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
[code]...
View 2 Replies
View Related
Feb 23, 2012
Haveing issue with DHCP server handing out IP addresses to client connected to VLAN5 interface.ISP Router>Firewall -(WatchGuard Drop-in mode) I have several 3750 switches and one acting as a L3 switch. The L3 is configured as follow: [code]
If I connect a laptop to int fa1/0/10 I DO NOT get an IP address from the 10.100.0.8 scope. If I connect to another interface within the VLAN 1, I get an address from the 10.100.0.0 range.
View 7 Replies
View Related
Feb 25, 2013
How to setup option 150 in IP pool on VPN Client.
View 2 Replies
View Related
Mar 26, 2011
I have a video hosting server on vmware and I need to be able to connect to it through it's domain name. It needs a FQDN. On it's network config it has spaces to enter in FQDN, IP, Subnet, and two DNS. It must use FQDN to connect through http.I was told I can just open up the system32/driver/etc/host file and edit in the info, ex: 1.1.1.2 [URL] I tried to ping 1.1.1.2 and it does ping, and I even tried to ping [URL] and it pings (not connected to the web). But I can't get the web interface to connect when i put in server.com:8080 (needs 8080) into my web browser. FYI, I have no idea about the DNS space on the server, I just put in some random number. Why does this server need a DNS anyways?This computer is not connected to the web or any other computer. It's just this computer and the vmware server on it.
View 4 Replies
View Related
Jun 30, 2012
Do I need the Universal image to perform stftp on a 3750 or 3750-X?
View 8 Replies
View Related
Aug 29, 2011
We have a customer in a country where the local telecom hands out the data E1 link in a G703 interface with two coaxial cables (Tx & Rx) out of a Watson/Schmidt Telecom SHDSL modem.
We need a way to convert the G703 cables and signaling to a regular RJ45 so that we can connect it to the customer firewall which has regular gigabit Ethernet connections. Some have suggested a 1941 with a serial and gigabit cards. We just need a affordable solution for this and the configuration.
View 3 Replies
View Related
Jan 23, 2013
What happens with the sip phone 3905, because i cant set the rigth clock. its always display plus 2 hours from the right time in Brazil.
View 3 Replies
View Related
Sep 19, 2012
understanding of "mls qos interface stat"
I took a switch and connected it to my LAN switch is 2960 with LanBase image and PoE on it I have 3 interfaces in up state - 2 interfaces with cisco phones (6921 and 9951) nad 1 interface as uplink
here is its configuration
interface FastEthernet0/1
switchport mode access
switchport voice vlan 555
[Code].....
View 9 Replies
View Related
Oct 10, 2011
I'm looking at adding a Cisco 3750-X switch running c3750e-universalk9-mz.122-55.SE1 (IP base license) into a stack of 3750-G switches running c3750-ipbasek9-mz.122-55.SE1.bin Given that the version and feature sets are the same I don't forsee any compatibility issues. Would there be any reason why a universal image wouldn't stack correctly with other switches running the single .bin file?
View 9 Replies
View Related
Nov 15, 2011
how we can configured 3560 for Avaya IP phone ? , we would link to use voice and data connect to the same port
View 1 Replies
View Related
Apr 9, 2012
I have CME on Router 2800 series, and switch 2960 PoE connected to this router.On 2960 switch, there is existing 7945 IP Phone that already work properly and get IP 14.x.x.x from voice vlan 2.
Problem is when I add cisco 6921 IP Phone connect to 2960 switch, it get data vlan 10.x.x.x, not voice Vlan 14.x.x.x I have check CDP and it use CDP v2
Config on 2960:
interface GigabitEthernet1/0/34 <--- this is connected to IP Phone 7945
switchport mode access
switchport voice vlan 2
spanning-tree portfast
[code]....
With same config and condition on port 2960, why the IP Phone 6921 can't get voice vlan 14.x.x.x, whereas IP Phone 7945 can get voice vlan 14.x.x.x
View 2 Replies
View Related
Jan 18, 2012
I have asked to test an VPN phone for home Users. I have a BT adsl broadband at home which is going into a cisco 2900 switch. Port One is connect to the computer port 3 is connected to the Avaya VPN phone this work's. The quality is not very good, so the question is could I have qos on Port 3 which is connected to the phone?
View 4 Replies
View Related
May 2, 2013
We've been configuring our swtichports as follows for our 7945 and 6941 type VoIP Phones, but are having problems witht the 6901.
VLANS
Vlan 900 is a VoIP VLAN
Vlan 999 is a NULL VLAN and is shut down:
interface g0/1
switchport access vlan 999 {VLAN to direct data traffic to the bit bucket becuase a PC shouldn't be connected to this port}
switchport mode access
switchport voice vlan 900
mls qos trust cos
spanning-tree portfast
The 6901 phone doesn't support multiple VLANs, so our configuration above does not work unless vlan 999 is turned on (not good security wise). We got the phones to work also by removing vlan 999 and switchport mode access.
switchport voice vlan 900
mls qos trust cos
spanning-tree portfast
solution that provides the discarding of data for the access VLAN, while supporting the VoIP vlan for this phone?
View 3 Replies
View Related
Apr 4, 2013
Customer has a Catalyst WS-C2960-48PST-L. and in some ports we have VoIP phones with PoE company Aastra. If I use first config we have problem when phone boot up.
First config:
description tp-11-voip
switchport access vlan 250
switchport mode access
switchport voice vlan 201
switchport port-security maximum 2
switchport port-security(code )
The MAC shown here is from a voip Phone. After the phone boot up, the p, because it must boot first in vlan 250 (access vlan). On the port you can only see the MAC from vlan 201. With the second config the phone can boot without problems:
interface FastEthernet0/48
description tp-11-voip
switchport access vlan 250
switchport mode access
switchport voice vlan 201
is there a reason, why it is the problem with the first config on cat2960 ? The same first config works with an Cat2950 without problems.
View 3 Replies
View Related
