Cisco Switching/Routing :: CR3845 Internal Switch Trying To Configure 2 Ports On Same Subnet

Sep 6, 2012

Have our public IP address space masked on /24 at our Internet Router.  The router portion of 3845 connects to Internet, while the internal switch connects to my internal network and seeds it with the public address space.  The switch had a port configured no switchport (L3) with an ip address with /24  (ie 67.63.145.1 /24)  this connects to internal IPS/IDS then to Firewall which NATs to internal, then packet shaper, web filter etc etc etc.  I need to test my ISP speed so I need to "break in" to the link between the switch and the IPS/IDS.  I figured I could configure another port on the switch on the 3845 but my problem is the port to my network is routed and is masked on entire /24.  I tried to configure a port on VLAN 1 and give myself an available address in the L3 address space and this did not work (figured it would not but gave it a try) 
 
Any way to get two ports configured to use the same subnet while one is a L3 routed port and the other is just part of that layer 3 routed network?

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Cisco Switching/Routing :: Configure Access Ports Into Port Channel On Nexus 7K Switch?

Feb 14, 2013

Can i configure access ports into port channel on Nexus 7K switch.If possible then provide the complete configuration.....

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Cisco Switching/Routing :: Configure C3560-24TS / QoS Control By IP Or Subnet?

Jun 28, 2012

I need to configure the C3560-24TS, QoS control by IP or subnet.i tried to study books and videos many times but still feel i am not well known about QOs...

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Cisco Firewall :: How To Configure 4GE SSM Or ASA 5510 Internal Data Ports

Feb 4, 2013

I have inherited an asa 5510 whit 4GE SSM module installed. The asa runs fine, but i can not use the 4GE SSM ports. Using  ASDM or console i can get and configure the gigabitethernet1/x ports but i can not get traffic on it. The ping from the console to the ip address of the Gigabitethernet1/0 is successful. On switches or hubs connected to those ports i can not see the port's mac address. The two Internal-data0/0 and Internal-data1/0 are down and i can get they up. How to configure 4GE SSM or ASA internal-data ports.

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Cisco Switching/Routing :: Configure 1941 With Routed Subnet From ISP To Forward To Server

Feb 13, 2013

I have some questions about how to configure my Cisco 1941 with a routed subnet from my ISP to forward them to 1 or more servers in my LAN.1 Routed subnet /29 from my ISP (over a fiber connection).In my LAN I have (at the moment) 3 servers, and about 15 clients.I would like to use the first ip address from the routed subnet for internet traffic from all the clients in the LAN.I would like to use the second  ip address from the routed subnet for server1 so that server1 accept some allowed connections and that server1 connects to the internet with the second ip address from the routed subnet
 
I would like to use the thirth ip address from the routed subnet for server2 so that server2 accept some allowed connections and that server2  connects to the internet with the thirth ip address from the routed  subnet.I would like to use the fourth  ip address from the routed subnet for server3 so that server3 accept some allowed connections and that server3  connects to the internet with the fourth ip address from the routed  subnet.[code]

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Cisco Switching/Routing :: 4500 - How To Configure The SFP Ports

May 23, 2012

How i can  configure the SFP Ports on my 4500 SERIES CHASSIS with other SFP ports on the connecting switch. I want to connect 15 switches via GLC=SX=MM to my 4506E sfp card.

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Cisco Switching/Routing :: Configure 819 To Forward Ports For SQL And VNC?

Aug 15, 2012

I'm trying to forward ports for SQL and VNC using these commands in the CLI:
 
ip nat inside source static tcp 192.168.1.150 5900 interface GigabitEthernet0 5900
ip nat inside source static tcp 192.168.1.150 5800 interface GigabitEthernet0 5800
ip nat inside source static tcp 192.168.1.150 1433 interface GigabitEthernet0 1433
 
where 192.168.1.150 is my server (that hosts SQL server and that I want to be able to connect to remotely using VNC) and GigabitEthernet0 is my configured WAN interface.
 
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Cisco Switching/Routing :: 3750 / 3800 - Configure Trunk Between Switch And Extreme Switch

Nov 2, 2011

i have an issue to connect a trunk between cisco switch and extreme switch i have many vlans that i want to cross via a link between cisco 3750 switch and a Extreme Alpine 3800 switch

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Cisco Switching/Routing :: 3750 Remove Internal Fan To Make Switch More Silent

Jan 21, 2013

Any example, tested on 3750-24/48TS and 3750G-24TS to remove the fan to make the switch more silent. I'm not interested in replies telling that is risky, I'm interested to know how is the switch acting. Has shutdown at overheating? I will use the switches only for my CCIE studies, a couple of hours per day, no heavy load.
 
I tested with 2950 switches are there were absolutely no problems, the devices were even in production.

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Cisco Switching/Routing :: To Configure Multiple LAN Ports On Router With Same 2921

Mar 10, 2013

I have 2921 router and I have 3 very basic switches that I need to connect to the router. The switches have very basic default configurations and there is no way to edit them, so I only have one VLAN and one default gateway. I can't assign the same IP address to each LAN port. I'm not sure how to make this setup work.

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Cisco Switching/Routing :: SG-300 - Switch With 24 SFP Ports

Nov 9, 2011

I like the SG-300 switches for SMB and I'd like use them in our network. Design is quite simple just 6 SG-300 switches connected to one central switch using SFP ports (using 2 port trunks) so I need 12 SFP ports and this is my question. Could you recomend me switch with more then 12 SFP ports from Cisco for this SMB network ? I don't know all the Cisco product lines and I can't find it.

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Cisco Switching/Routing :: 3560 / 2960 - How To Configure 2 Ports To Provide Redundancy

Jan 21, 2013

As per the attached diagram: How do I configure the 2 ports on the 3560 (Ports 6 & 7) and the connected ports on each of the 2960 switches (Port 25) to provide redundancy.
 
If the up link from Switch A dies then I need the traffic to flow through the trunk and utilize the up link on Switch B with minimal delay (milliseconds).

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Cisco Switching/Routing :: 861 - Can't Configure FastEthernet Ports To Hand Out Address Automatically

May 27, 2012

We have upgraded our gateway router from a Cisco Linksys RVL200 to a Cisco 861, this is a big jump from a GUI driven system to IOS CLi and i'm having issue finding my feet. I tried the Cisco CP system but it didn't work so I'm going to configure it with IOS commands. I wish to replicate the current configuration on the 200 with the following setup.
 
I have created a DHCP pool but i am unable to configure the FastEthernet ports to hand out address automatically, the pool is called USERS with range 192.168.1.30 -> 192.168.1.253.How do I work out the client-identifier for a DHCP client, I don't want to plug this into the network and manual reconnect all the PC's just to get the ID then make a static route.

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Cisco Switching/Routing :: How To Segment The Ports On SF-300 Switch

Jul 13, 2012

The default Gateway and DHCP server is connected to port 1 of the switch.  I have various other devices on the network plugged into other ports on the switch.I want port 1 to communicate with every port on the switch, but don't want the other ports to be able to see eachother unless I specifically allow them to. For example, port 5 should see port 1, and 7, but nothing else.Everything needs to be in the same subnet.  With the older Dlink switches I am used to this feature is called "Port Segmentation" but I see no such option in this switch.   I have been playing with the VLAN settings but so far I have not been able to achieve this.

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Cisco Switching/Routing :: 2960 Switch Ports Using POE?

Feb 5, 2013

I have a statck of 4 2960s switches, with POE powered access points on 2 of them. All of the access points appear to be functioning normally. For some reason, on 3 interfaces connected to access points, I get the following when issuing show interfaces status:
 
Gi3/0/9                      connected: T 7          a-full a-1000 10/100/1000BaseTX
^
 
My question is regarding the "T" in the status field. I can't find any documentation on this.

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Cisco Switching/Routing :: Which Sfp Ports In 3560x Switch

Feb 20, 2013

I was viewing the 3560x switch datasheet and i need network module C3KX-NM-10G. I have dark fiber with over 12 km distance to i guess i will be needing SFP EX for single mode.

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Cisco Switching/Routing :: Switch Ports Up And Down SG200-50P?

Feb 19, 2013

My SG200-50P Switch Log appears as follows with Random ports going up and down. I am trying to find out if this links to another problem I'm having with a Client Server software locking up on the client end. The hardware, thin clients and desktops, are working and have checked all sleep and power settings. All items in working order, now I'm wondering about the switch
 
2147483369 2013-Feb-20 15:12:07 Warning %STP-W-PORTSTATUS: gi19: STP status Forwarding
2147483370 2013-Feb-20 15:12:02 Informational %LINK-I-Up: gi19
2147483371 2013-Feb-20 15:12:00 Warning %LINK-W-Down: gi19
2147483377 2013-Feb-20 14:51:31 Informational %LINK-I-Up: gi45
2147483378 2013-Feb-20 14:51:28 Warning %LINK-W-Down: gi45

[code]....

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Cisco Switching/Routing :: Getting A Connection Between PA-GE And 3560G Switch (4 SFP Ports)?

Jan 22, 2012

I've a 7206VXR (NPE-G1) router. I would like to purchase a PA-GE port adaptor where I've to use a GBIC connector.
 
1. Is it possible to have a connection between PA-GE and a 3560G switch (4 SFP ports)? If yes, what type of cables & connectors are to be used?

2. Is there any GigabitEthernet port adaptors / modules for 7206vxr where I can connect RJ45 (cat 5) or SFP modules?

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Cisco Switching/Routing :: Get MAC Address From Switch Ports With SNMP V3?

Feb 1, 2013

I have been reading the postings on this site trying to retrieve the MAC address for the client devices (computers, printers) attached to our switches.  We have approximately 500 switches and I need to map the mac address to the switch.  It appears the OID information is for SNMP v2.  We are restricted to using only SNMP v3.  I have tried using the Cisco SNMP Object Navigator without any success. 

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Cisco Switching/Routing :: 4500 Switch Dead Ports / No Poe

Feb 24, 2013

I have a Cisco 4500. Recently some of the ports seem to have "died"/ will not supply Poe to phones. Some work for data only. Other do not work at all. The switch has been restarted, this made no difference.

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Cisco Switching/Routing :: 2960 Switch Ports Flapping

Feb 4, 2013

I have a 2960 switch and every then and now the ports are flapping, while i was on console i saw ports going down and coming up...when the ping to machine ip addresses timed out the port status on switch was still up...no errors collisions seen on sw port. Below is sh int when the port was flapping
 
[code]...

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Cisco Switching/Routing :: WS-C2960S-24TS-L / 4 SFP Ports For A Switch?

Jul 24, 2012

I have a got a requirement where a 24 Port Switch should have 4 SFP's and all 4 should be used at a time, So I've chosen " WS-C2960S-24TS-L"
  
The transeiver should be GLC-LH-SM, so kindly let me no whether I would be able to use all 4 ports at a time or not.

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Cisco Switching/Routing :: Catalyst 3750X-48P Switch Ports Dead

Jan 31, 2012

I work at a hospital and we have 3750X-48P switches in stacks in various locations throughout the hospital.  We have noticed that when an EKG machine is plugged into one of the ports on some of these switches and the EKG machines are set manually to 100/Full, the ports are no longer usable until the switch is restarted.  The switch is configured for auto.  If the EKG machine is set to auto, it will work and not cause problems.  The link on the interface will show up/up and there will be output packets increasing.  However, there will be no inputs on the link and the port is unusable.  Unfortunately, even when the device is removed, the port becomes unusable for any device.  Is there any way to fix this problem without rebooting the switch?

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Cisco Switching/Routing :: 3750x - MAC Address Not Captured On Switch Ports

Feb 29, 2012

In my environment we have 3750x switches running ios 15.0 (1) SE2.  We have port security mac address sticky configured on all our switch ports.  I noticed that we have several interfaces (on different switches) that are up but have not captured the MAC address from the workstation.  Here is one example:
 
interface GigabitEthernet2/0/11
switchport mode access
switchport port-security

[Code].....

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Cisco Switching/Routing :: Is It Normal To Have All Ports 4500 Switch (not Fiber Ones)

Apr 24, 2012

I was checking some things on my Cisco 4500 and spot checking some of the ports. Using CNA it says it is at 10. The web browser to the switch says Full-duplex, 1000Mb/s, link type is auto, media type is 10/100/1000-TX on port 6i/18 The CNA says, so what would cause the difference?

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Cisco Switching/Routing :: 3750 - Can Take (4) Ports From Each Switch In Stack And LACP Together

Jun 5, 2012

I have a Cisco 3750G-48PS Running IOS 12.2(40) and was wondering how many physical ports are supported in an LACP Configuration.  Is it 4 or 8 ports in a single switch.
 
If I have a dual 3750 stacked together,  and I want to configure (8) port LACP, Can I take (4) ports from each switch in the stack and LACP together.

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Cisco Switching/Routing :: PoE Switch Ports Stops Supplying Power On Cat 4507e

Dec 11, 2011

i  recently deployed cat4507e switch along with  3 nos of WS-X4748-RJ45V+E - 48 port gigabit PoE modules. I am using polycom IP560 phones.
 
I am facing issue of some switch ports (randomly) stops supplying power to phone at random time. So far there are about 4 incident and i have been plugging those connection to different - usused ports.  I am planning to RESET the switch module during weekend and i think it might fix issues with those ports.
 
But what would be quick and easy way to fix this issue when the issue is faced? How/what to check on switch port interface wrt to power? If switch module is falling short of overall power requirement, is there a way to boost the power?

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Cisco Switching/Routing :: 3750x Switch That Handle Its 24 / 48 Ports At 10 Gbps With Copper

Dec 19, 2011

Is there a switch that handle its 24/48 ports at 10 Gbps with copper?. I have checked  3750 X but just handle 2 SFP with 10 Gbps.The requirement is to use this switch as CORE and connect 12 switches (access) using  its uplinks at 10 Gbps  with copper ( in this case 3750 X can be used).using copper at 10 Gbps the distance is still 100 m?

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Cisco Switching/Routing :: 5510 Isolating Switch Ports For A Separate Network

Feb 2, 2012

I have to configure failover Active/Standby on my ASA 5510.I am wondering how i could do for the outside interface, i mean, actually the ASA1 outside interface is linked directly to our Internet router.So now if i have to add ASA2 connecting to that router i will need a switch between them.I have already a switch for DMZ & LAN.The thing is that i will have to allow 3 switchs ports to communicate with each others.

- 1 for ASA1--outside
- 1 for ASA2--outside
- 1 for Internet router
 
How could i isolate these 3 ports to make them communicate alone ? Should i use VLAN for that ?And if i use VLAN, will this require to make any change of configuration on my firewalls (ASA1 & ASA2) outside interface ?I am a bit lost with this, if i am correct i will not have to do some "vlan tagging" on the firewall itself ?

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Cisco Switching/Routing :: 2600 Switch Ports Don't Even Show Up On Router Config

Jan 10, 2012

My network generally runs older routers (2600 series) with 16 port switch modules (NM-ESW-16).   This has always worked great since I can configure the router and the switch ports on the fly, making changes to either as necessary.  Well I am upgrading to 2811 routers, and we wanted to get gigabit ethernet ports on our switch modules.  I think I made an error when I purchased a few of these switch modules:  NME-16ES-1G.   
 
The first problem, is that the switch ports don't even show up on the router config, I have to establish a session into the switch, (And I can't seem to get back to the router unless I manually switch off power and restart).  I don't like this type of switch module, it's like I'm running a completely separate device, and while having a layer 3 switch is cool, It doesn't let me setup routing protocols so I don't like doing it this way.  I want to go back to using a switch module that simply adds a ton of ports to my router like the NM-ESW-16.  (Note:  The NM-ESW-16 does actually work in the 2811 and would be perfect if it were Gigabit speed.)
 
The seconds problem is that the NME-16ES-1G isn't actually a Gigabit switch.  It has a single gigabit port, but the 16 ports are all Fastethernet, and not gigabitethernet.  So ideally, I am looking for a switch module that I can fully configure from the router interface that has 16 gigabitethernet ports, and works with a 2811. IE I want to do this. [code]

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Cisco Switching/Routing :: 3750 Is There CLI For Viewing Switch Ports With No Activity In Last 60 Days

Oct 26, 2011

I am working on a request to clean up alot of excess cabling in one of our IDF's.  I noticed that many of the connections have no lights on them and probably haven't been used in a long while.  I would like to know if there is a CLI command I can run on the Cisco 3750 switch will allow me to bring up a list of ports which have not seen any activity for a period of time - for example, 30, 60, or 90 days.

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Cisco Firewall :: Configure ASA 5515 Switch Ports

Nov 25, 2012

I am moving from ASA 5505 to ASA 5515 because we are maxing out the number of connections that the 5505 can handle. The 5515 runs version ASA 8.6(1)2 and ASDM 6.6(1) and the 5505 version is ASA 8.2(5) ASDM 6.4(5). On the 5505 I used e0/0, 0/2, 0/4 and 0/5 as outside port with teh switch ports feature but there is no switch port feature on the 5515. I have tried to set the ports individually to numerous public IP addresses that I have but I get an error that they subnet is already associated with another interface. How do I replicate the same setup on the 5515?

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Cisco Switching/Routing :: SF 300-48 Layer 3 Switch Tried To Configure To Use

Aug 24, 2011

I got one SF 300-48 layer 3 switch I tried to configure to use it in the office network.Unfortunately I'm unable to configure the VLAN settings.I need port one for input(VLAN2),port 7-15 for another vlan(vlan3) also need to connect with the vlan 4.port 15 is another vlan(vlan4) this is for wireless.Other ports are static.It doesn't get any connections with other vlans.I wish to know how to configure vlans in GUI mode.I tried , But I can't get the Vlan setting correctly.Also,I need to know how to communicate both vlans in GUI mode.

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