Cisco Switching/Routing :: 2811 With 16 Port Switch Module Configuration?

May 12, 2013

I have a laptop with a single physical NIC which I have used the advanced management tools to create two virtual NICs (say vlan 10 and vlan 20) and both are on the same subnet (say 192.168.4.x). One NIC is for normal TCP/IP traffic and one is for broadcast/multicast traffic (I have some custom software that requires this to be the case and works fine on an older laptops with built-in physical NIC and PCMCIA XIRCOM NIC). The dual NIC laptop communicates with a dual NIC server via a Cisco 2811 router (which has a 16 port switch module at the back) and has vlans set up so.
What I want is for the single NIC laptop (with two virtual NICs) to be able to also communicate with the server. Basically, one NIC is for normal traffic and one is for multicast/broadcast traffic. All three machines need to be able to talk to each other using the NIC for normal traffic and both laptops must be able to receive broadcasts from the server. What is the best way to configure the router to handle the trunking/tagging? Most configuration documentation I read has two complete subnets for the two virtual NICs. Note that all three machines use static IPs and are part of a workgroup so no DNS and domain servers etc.

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Cisco Switching/Routing :: Configuration Module Supervisor Switch Catalyst 4500

Jun 4, 2012

switch catalyst 4500 with ios cat4500e-universal.SPA.03.02.00.XO.150-2.XO.bin. I need to configure modules 3 and 4 of supervision, the problem is that I need the 4-port module 3 are active but only the first turn on both the module 3 and the first port on the module 4. [code]

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Cisco Switching/Routing :: 6500 - Erasing Port Configuration After Module Removal?

Aug 20, 2012

I have a 6500 switch and i recently removed a module (line card) from the switch. The problem is that the port configurations of the removed module still exhists in running configuration. I was not aware of the right procedure,[URL] however, i would like to know whether it resolves if i reboot the switch.

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Cisco Switching/Routing :: 4 And 8 Port Switch Module In 1941 Router

May 23, 2013

My questions is can a 4 port PoE switch module (EHWIC-4ESG-P) and a 8 port switch module (EHWIC-D-8ESG) be used at the same time in a Cisco 1941 router?

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Cisco Switching/Routing :: 3925 With 48 Port Switch Module Infinite Loop

Jan 19, 2012

I have a 3925 Router with a 48 port switch module (part number SM-D-ES3G-48-P).  I have no problem accessing the 3925 Router, but when I go into the 48 port, I get an error that reads
Error Hardware not supported by firmware. Try loading a newer software instead. System Resetting...
I know that the wrong IOS is installed on the switch, but the problem is that this is an endless loop.  The switch resets then comes back to the same error.  How to get the switch out of this loop so that I can load the correct IOS. 

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Cisco Switching/Routing :: 1941 Port-Security With Router Switch Module

Feb 29, 2012

I have a 1941 that I am going to deploy with a HWIC-D-9ESW switch module (I only need 3 switch ports but need the PoE).  I am going to hang a 1262 autonomous AP off one of the ports but I need to configure MAC address port-security so that only that AP can pass traffic. I know the switch modules are 'almost' exactly like a switch for commands but I can't seem to enable or configure any port-security settings.  Is port-security no available on the switch modules?

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Cisco Switching/Routing :: Configuring 1941 With 8 Port EHWic Switch Module And Onboard GE Ports In Single LAN?

Jul 1, 2012

Can you configure a Cisco 1941 to use an 8 port EHWic module and the 2 onboard GE ports in a single LAN?

I've discovered you can't have the on GE ports associated with a VLan, and I'm when I've previously researched for a solution, bridging was mentioned but I cannot seem to get it to work (or completely understand it)The reason I would like to use all 10 ports on for the LAN is becuase I have 10 devices I need to connect to the 1941?

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Cisco Switching/Routing :: 2811 - Adding Network Module

Dec 14, 2011

i have question about router 2811, for now, all HWIC in 2811 is full,

Slot 0 : VIC2-2E/M
Slot 1 : VIC2-2E/M
Slot 2 :  WIC-1T=
Slot 3 :  HWIC-1FE
But we need add more 2 module VIC3-2E/M. can we use Network Module ? example : add one NM-HD-2V + two VIC3-2E/M ?
Can we do that? and whether it is the same as we use the VIC2-2E / M on HWIC slots

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Cisco Switching/Routing :: Effects Of SPAN Port Configuration On 4507R+E Switch?

Oct 29, 2011

I read quite a few documents on configuring SPAN on a cisco switch but none of them mention any limitations or any kind of CPU load it can have on a switch. I need to configure this on one of our switches and would like to know if there are any implications related to SPAN.

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Cisco Switching/Routing :: Private Vlan Configuration On 3560E 24 Port Switch

Dec 12, 2012

We have a 24 port and 48 port 3560 E switches with identical IOS the 48 port switch supports private vlan while 24 port switch doesnt
configure private vlans on 24 ports 3560e and is it best practise to configure private vlan on this platform(3560)?
IOS version : C3560E Software (C3560E-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)

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Cisco Switching/Routing :: 3750 - Avaya Phone Switch Port Configuration

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
And two DHCP scopes configured on the switch. What keeps the phone from pulling from the wrong scope?

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Cisco Switching/Routing :: 3500XL - Configuration Switch Port Mode Access

Mar 5, 2013

I am trying to configure a 3500XL switch (and I know its old). I get to the int fa 0/1 line and thats where it all stops working.

switch#(config-if)#switch port mode access
switch#copy run start
switch#(config-if)#switch port mode access
switch#sh run int fa 0/1
It will show the configuration for port fa 0/1 as if I hadn't entered the "switch port mode access" command. Or any other command for that matter. Why the switch is not holding configuration and seemingly loses it as soon as you exit out of each interface?

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Cisco Switching/Routing :: Select Network Module For 2811 Router?

Aug 7, 2012

how we can select a network module for 2811 router?gigabit or ethernet Hwic?

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Cisco Switching/Routing :: 2811 Router - VLAN 531 Configuration

May 22, 2013

I have a Cisco 2811 Router. I have two VLANS on the router. The first one of course is VLAN 1 and the second one is one that I created from reading everything from this forum.. it is called VLAN 531
On VLAN one I have an IP address of and on VLAN 531 I have an IP Address of, now what I can do is this... I can.. from a workstation on the segment, ping and one server on that segment that has an IP address of, which is fine, but what I really want to be able to do is ping our email server which is on a segment and I cannot. Any commands on what I would need to do to make this work as I would like the segment to ping any other part of my LAN of my choosing.

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Cisco Switching/Routing :: How To Do Dual ISP Configuration - 2811 Router

Dec 9, 2011

Will 2811 Router with 4 switch port module, How to do dual ISP configuration on this router.

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Cisco Switching/Routing :: Catalyst 6513 - FWSM Module Configuration

Dec 20, 2007

My company has acquired a Catalyst 6513 with a FWSM module installed on it. I have been reading lot of documentation on [URL], but still have some problems configuring the FWSM:
The 6513 has 10 SVIs configured, each of them with an IP address. These 10 SVIs are binded to 10 VLANs which I need to secure. These SVIs are used for routing all the Inter-VLAN traffic inside the switch. The documentation says it is recommended to use just one SVIs for connecting the switch to the FWSM, although you can use more than one using the command "firewall multiple-vlan-interfaces". I don't want to use this command because it seems a pretty more difficult configuration, since you have to use policy routing after using this command (or that is, at least, what documentation says).
When I try to "send" to the FWSM more than one VLAN that are configured as SVIs on the switch I get this error message:
"No more than one svi is allowed, command rejected."

If I delete the IP address of those SVIs, then I can to "send" those SVIs to the switch with no problem at all. But I need the SVIs to have IP address configured, since they are needed for routing Inter-V LAN traffic.
So, the question is: how can I route all the inter-VLAN traffic using just one SVI on the switch? Should I use the FWSM for inter-VLAN traffic routing?

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Cisco Switching/Routing :: 2811 And EHWIC VA DSLA Connection Configuration

Jan 22, 2012

I am having trouble setting up a EHWIC-VA-DSL-A= card on my cisco 2811 running the following the following:c2800nm-adventerprosek9-mz.151-4.M2.bin and C2800NM_RM2.srec.124-13r.T11
My hardware supplier tells me its the right adsl card (have 1 existing working card not the same) but the card will not detect on the system to be this the right card? am I missing something?

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Cisco Switching/Routing :: To Reload The Module 3 On The 6509 Switch

Jul 31, 2012

Suffered a big outage on the network, the fix was to reload the module 3 on the 6509 switch, we had these errors on the log %CONST_DIAG-SW1_SP-3-HM_PORT_TEST_FAIL: Switch 1 Module 3 TestUnusedPortLoopback Port(s)[24,46] failed. System operation the end, we reloaded the card and it was all ok. is there anything I can do to check the card / or any deeper logs? would that error cause the card to crash?

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Cisco Switching/Routing :: Switch Module Install For 2951?

Sep 3, 2012

Any doc for installing the a PoE switch module for a 2951? I find alot about the 2951 PoE Power supply but nothing for the switch module.

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Cisco Switching/Routing :: Module Power Down On 6513 Switch?

Apr 28, 2012

We have Communication Media Module (WS-SVC-CMM) mounted on 6513 switch. It went down twice and we brought it up by applying "power enable module".

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Cisco Switching/Routing :: Setting Up Switch Module On 2951?

Sep 18, 2012

I'm trying to set up a 2951 with a 24 port switch module. I want the ports to act similiarly to the ports on an 881 router - where I assign the VLANs on the router and I set the VLANs to the switchport interfaces.I would like to be able to create the VLANs on the router portion of the 2951 and then, enter the switch module and configure the Ports to the VLANs but, how do I logically connect router to the switch? Is it an internal logical interface - meaning how are the VLANs getting from the router to the switch?

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Cisco Switching/Routing :: GLC T Sfp Module Showing Unspecified In Switch 2960

Mar 6, 2012

We have supplied Cisco Swtch 2960 with gig SFP modules. It is working fine. However, when I do a show inventory it show proper part no. for the switch chassis but for the GLC T module it shows as unspecified in the PID column.

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Cisco Switching/Routing :: Module Ws-x4548-rj45v+ And 4506 Switch

Oct 4, 2012

I have a problem with a newly bought ws-x4548-rj45v+ i've plugged in the module but when i do show modules all , it show as unsupport
Power consumed by backplane : 0 Watts
Mod Ports Card Type                              Model              Serial No.---+-----+--------------------------------------+------------------+-----------1     2  Supervisor IV 1000BaseX (GBIC)         WS-X4515           JAE1048GAXQ2    48  10/100/1000BaseT (RJ45)                WS-X4448-GB-RJ45   JAB064806WN3    48  10/100/1000BaseT (RJ45)                WS-X4448-GB-RJ45   JAB063005DB4     0  Unsupported module                     WS-X4548-RJ45V+    JAE1545056U
M MAC addresses                    Hw  Fw           Sw               Status--+--------------------------------+---+------------+----------------+---------1 0007.0e64.f880 to 0007.0e64.f881 5.2 12.2(20r)EW1 12.2(46)SG       Ok2 000b.5fa4.da20 to 000b.5fa4.da4f 1.0                               Ok3 0009.e844.d760 to 0009.e844.d78f 1.0                               Ok4 ccef.4815.9bf0 to ccef.4815.9c1f 2.0                               Unsupport

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Cisco Switching/Routing :: Adding N7KM132XP-12 Module To Nexus 7K Switch

Jul 31, 2012

Trying to find some documentation as to whether there are any other steps for inserting this new module in our N7K. We have 2 blades in already and 2 Sups in 5 & 6. I'm assuming its like the 6500s, where we just slide it in and the OS configures the global parms for it and the default VLAN.

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Cisco Switching/Routing :: VSS Switch Got Hang After Inserting 6708 Module?

Jan 11, 2012

We having a VSS switch (9 slot chasis) with ios "s72033_rp-ADVENTERPRISEK9_WAN-M), Version 12.2(33)SXI4", slot 7-9 are currently free. We wanted to install WS-X6708-10G-3C module on slot 7. Once we installed the module it didnt come, after waiting for 15-20min again we removed and inserted, but module didnt come up and we could see following logs on the console:
Jan 12 08:57:40.146: %ISSU-SW2_CFC2-3-ERP_AGENT_SEND_MSG: client/entity send failed; error code is timeout
*Jan 12 08:57:40.330: %ISSU-SW2_SPSTBY-3-ERP_AGENT_SEND_MSG: client/entity send failed; error code is timeout
Jan 12 08:57:40.146: %ISSU_ERROR-SW2_CFC2-3-START_NEGO_FAILED: ISSU NTI Client(2040): failed to start negotiation (ISSU_RC_CLIENT_ENTITY_DOES_NOT_EXIST_IN_PEER)


Afer some time VSS switch didnt response to console commands and all the users in access switches were not able to reach the gateway (VSS). Then the problem disappeared once we rebooted both the switches in VSS.why the VSS switch become non-responsive?

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Cisco Switching/Routing :: Switch To C6500E Backbone Without Getting Network Module

Apr 16, 2013

can i use any downlink port of the C4500-X switch as uplink without the need of the network module?i need to connect that switch to C6500E backbone without getting the network module, is that OK or i must get the network module?

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Cisco Switching/Routing :: How Switch Module Works In 2911 Router

Sep 4, 2012

how this switch module works in 2911 router? I have two 2911 routers in HSRP configuration for redundancy with crossover cable between switch modules. OSPF running on routers.If active router loses its power and then comes back again, it boots first, its internal link to switch module comes up and it starts to forward packets to switch module. The switch module starts to boot only after router is ready. So I have outage of about 3-4 minutes. For our real-time applications it is way too long.

any way to start booting of the switch module before router gets ready?I understand I can boot it manually, but it is only after router is ready. Only way to get around it I found is to disable internal link and use router interface to connect to the switch module.

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Cisco Switching/Routing :: 2960 Switch Hanging With SFP Module Slots

Sep 2, 2012

My Cisco 2960 Switch hanging problem (does not work or LED light), when i removed SFP  module slots its working fine.

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Cisco Switching/Routing :: Flapping Between Router (2811) And Switch (2960)

Jul 23, 2012

we have cisco 2960 switch which is connected to a cisco 2811 router. flapping issue between these two devices??
The following actions i have taken, but no result.. I have changed cables. have set speed to 100 and duplex full on both the interfaces but the interfaces are showing up up still not getting connectivity. same i have to auto on both sides still no result what configurations should i set to resolve this issue...?

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Cisco Switching/Routing :: Port Error Disabled On N7K-M132XP-12L Module

May 20, 2013

I've got a pair of N7010's in a vPC domain with some FEX's attach running NX-OS 6.0.2. I am experiencing port failures on my N7K-M132XP-12L module the port got shut down due to internal errors with Error Disabled status and I am not able to bring the port back up. I am getting the following errors when I try to reset it. I am hoping is not hardware related as my vPC peer-link is on this module and I only have a single N7K-M1 32 XP-12L in each N7010. Replacing the module will be painful. [code]

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Cisco Switching/Routing :: 4507R Cannot Put Command HW-Module To Change GE Port

May 3, 2013

i have 4507R with dual supervisors (WS-X4013+10GE) with IOS  cat4500-ipbasek9-mz.122-46.SG.bin the supervisor module are in 3 and 4, and I want to connection port 5, but i have interface and line protocol down "inactive" error.
So I realized to use command "hw-module" to change the module to GE port. However, I am not able to use the command as" I cannot use the command "hw-module uplink" as well.

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Cisco Switching/Routing :: 4500 24-port Gigabit Module Being Picky

Jan 7, 2013

We have recently purchased a Cisco 4506 that has several Gigabit Ethernet modules installed.One of the Ethernet Gigabit modules - a WS-X4424-GB-RJ45 - is being picky with who it talks to at Gigabit Ethernet.
If I plug a laptop into one of it's RJ45 ports using a Cat 6 cable, nothing happens.  No link light, no notification of link up or down on port statistics, absolutely nothing.If I plug a server into the same port it works fine at Gigabit Ethernet (even using the same Cat 6 cable).I can get the module to recognize a laptop if I fix the speed/duplex on the laptop to 100Mb/Full. I have tried this with other staff laptops from different vendors (HP / Dell / etc.) all with the same result.
The module directly underneath this module - a WS-X4448-GB-RJ45 - works fine for both laptops and servers.  We have tried swapping the module positions but to no avail. 

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Cisco Switching/Routing :: 2811 Port Is Connected To Fiber Or Copper

Jan 14, 2013

I need Know what connection is using on Cisco 2811 router.I have this interface in Cisco 2811, I need Know if this port is connected to Fiber or Copper. I think is copper with RJ45 but I see 100 base TX/FX so this make me doubt about it because TX its for copper link and FX for fiber. [code]

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