Cisco Switching/Routing :: DHCP Server Will Work On 2950 / 2960 Switch
Feb 11, 2012With out using any server, will DHCP be configured in cisco 2950/2960 switch?I man cisco it self should work as a dhcp server also.
View 10 RepliesWith out using any server, will DHCP be configured in cisco 2950/2960 switch?I man cisco it self should work as a dhcp server also.
View 10 RepliesCan a layer 2 cisco 2950 switch be used as a dhcp server with it's own address pool.
View 3 Replies View RelatedI need to configure a Cisco 2960 switch as a DHCP server. The current IP address will be on a different seed than the DHCP addresses. i.e.
Switch IP = 10.1.2.3, GW = 10.1.2.1, Subnet = 255.255.255.0
DHCP addresses would be 192.168.1.1 - 200, GW=???? (10.1.2.3?) and subnet would be 255.255.255.0
I am wondering if it has its own DHCP router and if theres a command to enable it?Also Random side question. it hands out ip addresses to other devices (the 2950 im using infront of a router) but when I hook up another switch to this switch it doesnt initialize the port or try to connect? why.
View 1 Replies View RelatedI would like to know if ip helper-address feature is working on a layer 2 switch (2950,2960) or you should use a Layer 3 switch to do that?
View 7 Replies View RelatedI did the DHCP configuration for my CISCO 2960 switch but the clients are still not able to get the IPs.see the configuration below.
(config)#ip dhcp database cisco.com
(config)#pool test
(config-if)#client client-id vlan 500
(config-if)#ip dhcp snooping trust
I am having 2960 switch and one port is configured with a VLAN and connected with an unmanageable switch and further one more unmanageable switch was connected to the primary unmanageable switch…
The topology will be 2960 switch -> unmanageable Switch -> unmanageable -> PC connected
The issue I am facing most of the PC are getting IP addresses through DHCP server and very few 5 or 6 PC’s out are not getting the IP from DHCP server.If I switch of the switch and switch on the issue is resolved for those and it will raise for some other PC’s.
I need to buy a cheap Cisco switch with DHCP server.Can you confirm that 2960-24-S, 2960-24TC-S and 2960-48TC-S be a DHCP server?
View 3 Replies View RelatedI Have a problem I'm trying to configure automatically my switch over ther DHCP when I start the switch it request an IP from the DHCP from here everythings is fine but it does nothing more,indeed I put on my dhcp the option 66 and 67 which is an adress of my TFTP server and a file to download and the switch seems not to understand theses options , I tried my dhcp with a cisco airport and everythings works fine the File from the TFTP is automatically downloaded into the airport...There is an option to add or am I missing something in order to make it work with my switch ?
My switch : Catalyst 2960IOS VER : 12.2(55)SE5
I am going to creat VLANs very 1st time therefore for test purpose I have following simple scnerio.I have created 2 VLANs , VLAN2 and VLAN3 on Cisco Catalyst 2960 series switch. Ports 1-12 is assigned to VLAN2 and Ports 13-24 are assiged to VLAN3. Now I have configured DHCP on Microsoft Server 2003 defining 2 scopes with following configurations.
Scope 1 for VLAN 2--- Range is 172.16.0.17 to 172.16.0.30 with subnet mask=255.255.255.240 . Server IP address 172.16.0.17
( Note: Address 172.16.0.17 is excluded from dhcp server Scope 1 and give to the MS server itself)
Scope 2 for VLAN 3----Range is 172.16.0.33 to 172.16.0.46 with subnet mask=255.255.255.240 .
Now in Cisco 2960 series switches, under Vlan 2 and Vlan 3, I have following configurations...
interface Vlan2
ip address 172.16.0.30 255.255.255.240
ip helper-address 172.16.0.17
interface Vlan3
ip address 172.16.0.46 255.255.255.240
ip helper-address 172.16.0.17
Now the problem is when i connect a client computer to any port from 1-12, It gets correct IP address from Scope 1 but when I connect a computer to any port from 13-24, it does not get the ip address.
Further I want to do inter VLAN comunication as well for that purpose i Have an ISR 2900 series router. What further configuration i will have to do on router for inter vlan communication.
We have a DHCP SERVER implemented in a cisco router 2610.This router is connected to a switch cisco 2960 configured as DHCP SNOOPING. At the switch appear the next log message: [code] The ip address: 10.100.200.1 belongs to DHCP SERVER configured at router cisco 2610. What to do so these log messages does not appear any more? Do I need to do some configuration changes at some switch or router?
View 11 Replies View RelatedDoes the 2960 switches with LAN-Lite support DHCP Server Port-Based Address Allocation?
View 1 Replies View Relatedprovide a sample Voice Vlan configuration for the Cisco 2960 POE switch to work with the Non-Cisco IP Phones?
Will these commands work? Vlan 2 is the new voice vlan, Vlan 1 is the data vlan.
mls qos
interface fastethernet 0/1mls qos trust cos switchport nonegotiateswitchport mode trunkswitchport trunk encapsulation dot1qswitchport voice vlan 2priority−queue outspanning-tree portfastspanning−tree bpduguard enable
vlan 2name voice
Have a client wanting to hand out public ip addresses to all clients from a PFSense Firewall terminating the internet connection.
How do I allow the Cisco Switches currently in place, configured with private ip addresses in the 10.10.x.x ranges and Vlans, where the main 3550 layer 3 has defined dhcp scopes for each vlan, to relay dhcp requests from all vlans to the PFSense firewall?
I assume I would take off the currently defined dhcp scopes for the vlans and configure each vlan/switch with the ip helper address and specify the PFSense firewall and that Nat would have to be disabled onthe firewall?
just want to confirm if I could use the 2x 10GE uplink ports of a cisco 2960 to connect to my Server directly?
View 17 Replies View RelatedI am trying to copy IOS from my TFTP server which is on my laptop to cisco 2960 switch
I am able to ping to switch from my laptop, connectivity is fine, tftp server is running
Current Image on Switch --> C2960-LANBASE-MZ.122-25.SEE3.bin --> trying to upgrade to --> c2960-lanbasek9-mz.122-53.SE2
I am getting below error when trying to upgarde IOS:
2960-SW#copy tftp: flash:
Address or name of remote host []? 10.1.x.x
Source filename []? c2960-lanbasek9-mz.122-53.SE2
[Code].....
I'm attempting to configure a Catalyst 3560-X Switch to act as a DHCP Server. There is documentation that supports this feature. Below is my config procedure however after the completed procedue no IPs are handed out to clients. [code]
View 1 Replies View RelatedI am aware that private-vlans are not supported on edge switches like 2960 series - so my question is would it be possibel to ceate private vlans on say just the core switch which would be a 3570 or 4506 that supports private vlans and then just trunk these to the edge like normal vlans?what I need to achive is to have edge port not able to communicate to each other even across switches - which cannot be done using 'protected' port so need the private vlan feature?
View 1 Replies View RelatedHow do you enable multicast traffic on 2900 series switches?
View 7 Replies View RelatedI am trying to configure interface vlan1 to get an ip address from dhcp by entering the commnad ip address dhcp ios rejects the dhcp portion of my command as not recognised although it is referred to in Cisco manuals.my IOS version is c2950-i6k2l2q4-mz.121-22.EA14.bin.I get the same problem when I try to configure ip http secure-server on the switch. Is this a known bug or whether I have the correct IOS version for these commands?
View 6 Replies View RelatedStumped again with my Catalyst 2950. Everything is working perfectly with wan/dhcp/router on fa 0/1 with all ports assigned to vlan1. All devices plugged in connect to the router correctly with ip's being assigned via dhcp.Instead of hooking up by console port I want to be able to SSH or telnet in to the switch using any port while still maintaining the above functionallity. Is it possible to assign a dhcp assigned ip address to vlan 2 and have vlan1 and 2 bridged? Or is there a better way of doing this ?
View 3 Replies View RelatedOne of my wi-fi site having 2nos cisco 2950 switchs. in that network some D-link unmanageble swithes also there and access points also connected to cisco switchs and D-link switchs.after one or two days i am not able to connect the wi-fi, then i need to restart the access point then only wi-fi is working fine.I upgraded the latest ios also.I connected some access points to the cisco switch ports, those ports are showing crc error messages like below. [code]
View 18 Replies View RelatedAfter setting up the domain name I try to use the crypto key and it is no where to be located. Below is some of the information I copied from TeraTerm
Switch-1(config)#ip domain-name justin.lab.comSwitch-1(config)#crySwitch-1(config)#cry?% Unrecognized commandSwitch-1(config)#crypto key ?% Unrecognized commandSwitch-1(config)#crypto key ^% Invalid input detected at '^' marker.
Switch-1(config)#?Configure commands: aaa
I have cisco 2950 catalyst switch, verson IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(20)EA1a, RELEASE SOFTWARE (fc1)
So. for one of my port (FE 0/3) i need to put the bandwith limit 512 kbps, how to configure the above same.
Note:- I configured the below but no effect
1. interface FastEthernet0/3description * CONT TO B-CENTER *switchport access vlan 10switchport mode accessbandwidth 1024speed 10
2. and there is no srr bandwidth limit option for 2950, but the same is working for 2960.
Do they have a default IP assigned to them?
I'm trying to access the CMS administration page from my browser. I've already tried 192.168.0.1 and that brings up my gateway (cable modem from Time Warner).
I upgraded a Catalyst 2950 switch and there wasn't enough room so I deleted the flash. The upgraded went well using tftp. It booted up fine. The I0S version includes crypto. But, I can't access switch via web browser or CNA. Port scan shows port 80 0pen. What am I missing?
Here is the flash.
Directory of flash:/
2 -rwx 112 Mar 01 1993 01:00:48 +00:00 info 3 -rwx 3722814 Mar 01 1993 01:02:58 +00:00 c2950-i6k2l2q4-mz.121-22.EA14.bin 4 drwx 4416 Mar 01 1993 01:03:45 +00:00 html 331 -rwx 112 Mar 01 1993 01:04:19 +00:00 info.ver 332 -rwx [code]....
I am planning to change the management IP (VLAN 5) to one of my Cisco 2950 switch, Here I am creating a new VLAN101 and assign new IP
When I am doing this VLAN 2 is going admin down.
My requirement is that I want to set same console password in 12 switch instantly...
All the 12 switch are connected to a cisco 6500 L3 switch..
So how can i do that.. i have cisco acs 4.1...
can i do that by cisco acs 4.1 if not tell me an software or command ...
I have 2950 switch booting through MOnitor Mode.Analyzed there is no Cisco IOS image in flash.
View 1 Replies View RelatedIn my organization we have several 2950T that conected each other. We have 4 floor with each floor have 1 sw except 4th flr have 3 sw.
Main server, apps, db ( 15 units) connected to core sw at 4th flr. Currently the problem is others devices can't connected to the server at core sw. Test ping and the network to core sw is intermittent problem. When ping 100 times only 30 reply. After 10 minutes the connection restored. Ping 100 times successful. It will not having problem again until the next day. This already happen 3 days. Any command for me to use to check if port or the switch having problem? Any log i can collect
I have a cisco 2950 switch, connected with 4Mbps of internet and number of users will access the internet. There is no restraction on bandwidth limit for users, if any body use high download the remaining users are facing the slow browsing problems.
So, if i can put a bandwidth limitation for every users the problem will be solved. how to restract the bandwidth on user bases.
I am trying to configure 802.1x RADIUS Authentication on cisco 2950-24TT-L Switch. I am using following set of command as given below
Switch# configure t
Switch(config)# aaa new-model
Switch(config)# aaa authentication dotx default group redius
Switch(config)# dot1x system-auth-control
Switch(config)# inter fasteth 0/1
Switch(config)#dot1x port-control atuo
I am facing problem dot1x command is not working on interface.
I have two 3560G 24 port switches. Each of them connects to some 3560G or 2950 switches. Trunks between 3560G are set as 1000/full. Trunks between 3560G and 2950 are set as 100/full. show int status also shows the interface negotiation is 100/full for trunks between 3560G and 2950. The issue is I keep getting outdiscard errors in trunks between 3560G and 2950. At 2950 switches, I see Recv-errors too. I checked all the trunks traffic. They are totally not high. Only serveal mbps. Most time even lower than 1mbps.
I googled this kind of issue online. I see it could be possibly caused by high volume traffic higher than the capacity. But it appears the traffic there is not high enough to cause this kind of issue. Is there any possiblity that could cause this problem?
The below is 3560G trunk configuration for 2950 switch
interface GigabitEthernet0/10 switchport trunk encapsulation dot1q switchport trunk allowed vlan 1-122,124-4094 switchport mode trunk speed 100 duplex full srr-queue bandwidth share 10 10 60 20 queue-set 2 priority-queue out mls qos trust cos auto qos voip trust
the trunk configuration at 2950 switch: interface FastEthernet0/24 switchport trunk allowed vlan 1-122,124-4094 speed 100 duplex full