Cisco Switching/Routing :: 3120X - Blade Mac-addresses In Wrong VLAN

Feb 12, 2013

- Incoming frames on three of a blade's four switchports are being put into VLAN 1 even though the ports are either in other access VLANs, or are configured as trunks with different VLAN IDs being tagged by the server. - When the ports go down the access VLAN is removed from the port.
 
Switch stack: 4x WS-CBS3120X-S, 12.2(58)SE1
HP blade: HP BL460c Gen8
 
This combination has been used successfully elsewhere.
 
Switchport configuration:
 
!
interface GigabitEthernet1/0/13 -------> THIS PORT IS OK
switchport mode trunk

[Code].....

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Cisco Switching/Routing :: 2960 / 2621 - IP From Wrong VLAN Being Handed Out

Dec 29, 2011

Setup is like this:  Poly com IP phones -> Cisco 2960 switches -> Cisco 2621XM router running 12.28(r).  A Windows 2003 server running on HP Proliant DL380 G4 with the correct DHCP scope is configured for the IP phones, also sitting on a Cisco 2960 switch.

A typical port config on the 2960 is:
interface FastEthernet0/1
switchport mode access
switchport voice vlan 60
mls qos trust cos
auto qos voip trust
spanning-tree portfast
spanning-tree bpduguard enable

Relevant section of the config on the 2621XM router:
interface FastEthernet0/0
no ip address
no ip redirects
no ip proxy-arp
ip pim sparse-dense-mode
[Code] .......

This used to work on a Windows 2000 server which sat on different piece of hardware, but stopped immediately after the migration to Windows 2003 server was done.  There was no change on the router or switches prior to or after the server migration.  I see DHCP server log on the 2003 server giving DHCP NACK because the phones are apparently asking for IP's in the data VLAN.

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Cisco Switching/Routing :: CBS 3120X-S Switch Stack Member Down

Mar 4, 2012

I have a 3 member CBS3120X-S stack in a HP C7000 enclosure (switches 1, 3, and 5). Switch 1, (the previous stack master) is not showing up in the stack and all the ports are down. Switch 3 has taken over as master, but I don't know what happened to switch 1.  The system and stack lights are green and I am not seeing any messages in the log. I reset switch 1 and that did not resove the issue. I disconnected the stack cable and reset the switch again (pulled it out and pushed it back in) and connected to it with a console cable. I get nothing on the console, not even rommon mode. I was connected at the default baud rate that worked when I connected the conole of the other switches in the stack, so I don't think is a serial configuration issue. If this is CBS hardware problem, I don't understand why the system light is green.

Switches 1,3, 5 and provision configuration:
 
switch 1 provision ws-cbs3120g-s
switch 3 provision ws-cbs3120x-s
switch 5 provision ws-cbs3120g-s

[Code].....

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Cisco Switching/Routing :: 2900 XL VLAN Drops / Relearning Addresses?

Dec 16, 2011

Had an odd issue that started up last few days..  Have a port on a cisco 2912 XL that keeps dropping (drops all packets) on a certain VLAN, but still passes others.  Spanning-tree for that vlan says all ports are in forwarding status.  VTP says that VLAN is still active.
 
This network is a little strange...  2924XL -> MotoPTP -> 2912XL -> Moto Canopy Array -> Some sites with cisco, some without all feed through canopy controller switch to single port (fa0/8) on 2912.
 
Getting a few of these on terminal monitoring, %RTD-1-ADDR_FLAP: FastEthernet0/8 relearning 5 addrs per min...  Sometimes this is fa0/8, fa0/10, or fa0/1.
 
I'm thinking the switch has just gone nuts, cause fa0/1 is direct connected to a router used for VLAN1.  fa0/8 is connected to a dumb switch on a canopy CMM as a trunk which i enabled bpdufilter on because of some spanning tree issues on VLAN1.  fa0/10 is connected to canopy PTP back to the 2924 as a trunk. VLAN69s router is off the 2924. So there aren't really any possible alternate packet paths to this switch from another switch.
 
I also setup SPAN and captured all packets from fa0/8 and fa0/10 (seperately) and never seen packet storms of any kind on either VLAN1 or VLAN69.Further testing with debug, nothing on spanning tree, nothing on vtp, but on ethernet-controller addr I got some interesting results showing one mac moving from fa0/1 to fa0/8 and back to fa0/1 but it never moves, its the routers mac that is connected directly to fa0/1.  Same with some macs on the other side of the PTP link saying they are bouncing from fa0/10 to fa0/8 and back to fa0/10 which isn't possible

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Cisco Switching/Routing :: Shutdown 4507r-e And Just Swap Out Blade?

Apr 2, 2012

If i replace a card of the same type in the same slot will I lose the configuration for that card or does it live in the backplane of the device?Is there any special command I need to run to replace the card or can i shutdown the 4507r-e and just swap out the blade?

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Cisco Switching/Routing :: Catalyst Blade Switches 3020 For HP

Feb 10, 2013

We have 12 Catalyst Blade Switches 3020 for HP running IOS Version 12.2(55)SE.  In the configuration of these switches I see the statement shown below.
 
no spanning-tree vlan 34,45-55,70,600,643,840,843-850
 
The 12 blade switches are configured as VTP clients and running VTP V2.  I did not configure the statement shown above.  It appered by itself.  And even if I delete it, it will reapper.  (The blade switches are interconnected to two 6509s.  The two 6509s are the STP root and VTP bridges. I configure Vlans and STP on the 6509s).
 
why the statement above appers on the blade switches 3020s?
 
I mean I use other Cisco switches such as 3750s and 3560s and I have never seen the statement above appear by itself.

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Cisco Switching/Routing :: Trunking Between 3560 And IBM Blade 3012

Nov 18, 2012

Im having problems changing a connection between a Cisco3560 and Cisco IBM Blade switch 3012 actually the configuration is access in Cisco 3560 and trunk int Cisco 3012 when i change the connection to trunk i lose conecctivity to the servers connected in the 3012, i have changed the access from vlan 1 to the respective vlan in the access port of the servers

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Cisco Switching/Routing :: 6509E - Four Port 10G Blade Buffers 16M

Dec 29, 2011

Looking at the specs for WS-X6704-10GE, it shows the port buffers at 16M per port. This doesn't seem like very much for a 10G port. Is this upgradable or related to how much RAM is in the blade?

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Cisco Switching/Routing :: Blade Switch 3120G VM Etherchannel

Oct 21, 2012

I have vm with 2 nic card  and 2 blade switch 3120g in the same hp c7000 blade enclosure. How to setup etherchannel as highlight in attachment  ?

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Cisco Switching/Routing :: 6500 Packet Loss On Blade WS-X6748-GE-TX

Oct 2, 2011

we have a 6509 with ios 12.2.33SXJ
 
we have 2 WS-X6516-GE-TX, WS-X6516A-GBIC, and a WS-X6748-GE-TX with a WS-F6700-CFC daughtercard
 
our sup is a WS-SUP720-3B
 
we are experiencing packet loss for everything connected in the WS-X6748-GE-TX blade, right now we dont have any production device in that blade due to the packet loss we are experiencing.
 
this switch was running hybrid  before it is now running native ios, however I can't recall if we didn't have that packet loss before. do i need to update a firmware of the card or daughtercard (if this is possible, can't say i've done it before).

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Cisco Switching/Routing :: 6509 Switch Blade Shows Power Down

Apr 16, 2012

i have one of my switch modules that shows PwrDown when i issue the command show mod.
 
Mod Ports Card Type                              Model              Serial No.
--- ----- -------------------------------------- ------------------ -----------
1    9  Supervisor Engine 32 8GE (Active)      WS-SUP32-GE-3B     SAD09120263
2   48  48 port 10/100/1000mb EtherModule      WS-X6148-GE-TX     SAL1029VWZ5

[Code]....
 
i tried disabling the diagnostic monitor for the module, did a power enable module command and then reset it but it still fails. this is the third blade that i am replacing in a few weeks and i still get the same error. i am persuded that it is not a hardware since it is the third blade in a matter of weeks. after the module reset, i receive this error % module 3 is operationally off (FRU-power failed)
 
could an ios upgrade solve this issue? are there any ios related bugs?

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Cisco Switching/Routing :: Power Inline From PoE Blade (4548 / 4648)

May 3, 2010

I have a LAP-1142 connected to one of our PoE blade in our 4506 switch, it used to work fine with the following power consumption:
 
Interface Admin  Oper            Power(Watts)     Device              Class                            From PS    To Device                    --------- ------ ---------- ---------- ---------- ------------------- -----
Gi4/3     auto   on         21.5       20.0       AIR-AP1252AG-A-K9   3
 
However, we had power issue on Apr 28, so it failed and we saw from the log below:
 
Apr 28 13:57:38.990: %C4K_ETHPORTMAN-3-INLINEPOWEROVERDRAWN: Inline powered device connected on port Gi4/3 exceeded its hardware protection threshold.Apr 28 13:57:39.694: %PM-4-ERR_DISABLE: inline-power error detected on Gi4/3, putting Gi4/3 in err-disable state After the power restored later, the other LAP connecting with the same blade restored without any problem, except this one:
 
Interface Admin  Oper            Power(Watts)     Device              Class                            From PS    To Device                    --------- ------ ---------- ---------- ---------- ------------------- -----
Gi4/3     auto   on         16.6       15.4       Ieee PD             3

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Cisco Switching/Routing :: Get VFC Up In B22-FEX Blade In Dell Connecting To Nexus 5596UP?

May 11, 2013

I'm trying to get the VFC up in B22-FEX blade in Dell which is connecting to Nexus 5596UP.
 
The message I get is
 
# sh int vfc1033
vfc1033 is down (Error Disabled - VLAN L2 down on Eth interface)
Bound interface is port-channel3
Hardware is Ethernet
Port WWN is 24:08:00:2a:6a:0d:db:3f
Admin port mode is F, trunk mode is on

[code]....

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Cisco Switching/Routing :: GESM 371098-001 - Configuration Stored On Blade Switch?

Mar 17, 2013

I received 3 GESM cisco blade switches for a HP Blade system. I do not have the chassis. I need to sanitize these blade switches but I have never worked with these. I don't see any removable flash. Where is the config stored?

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Cisco Switching/Routing :: Catalyst 4507R+E With WS-X4748 Blade - Ports Not Working

Mar 28, 2011

I have a Cisco Catalyst 4507R+E  (with Sup7-E) and two blades; one WS-X4748-RJ45V+E and one WS-X4648-RJ45-E.
 
When I connect a device to a port on the WS-X4748-RJ45V+E blade the port will not come up, show interface shows the status as "notconnect". When I connect the same device to the WS-X4648-RJ45-E blade the interface comes up.
 
The WS-X4748-RJ45V+E blade seems to have initialised okay, it appears in the output of "show module" as OK.
 
I get exactly the same effect on a second, identically configured Catalyst 4507R+E.
 
The software version is IOS XE 3.1.0SG, which according to the release notes supports the WS-X4748-RJ45V+E blade

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Cisco Switching/Routing :: Ether-channel Between Nexus 2232 And Blade Switch 3020

Aug 6, 2012

I try to connect a cisco blade switch 3020 to Nexus 2232 with etherchannel, but when I connect the second link a obtain flapping on vlans. [code] why the vlans are flapping ? it's something wrong on the config ? [code]

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Cisco Switching/Routing :: USB Console Cable For 3012 Blade Center Switch Module

Jul 27, 2011

I have 6 of these WS-CBS3012-IBM modules that need to be configured but I cannot access the USB console port. I was told I could just get any DB9- to- USB cable and that would work.  I did buy a DB9-to-USB cable and it did not work. I looked up the installation guide for this module and it just said the console cable is  DB9-to-USB but with no part number.

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Linksys Wireless Router :: WRT160N V3 - URLs Being Redirected To Wrong IP Addresses

Sep 2, 2009

I am encountering very odd browsing errors when using this router. URLS are being redirected to the wrong IP addresses.

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Cisco Switching/Routing :: Standby Blade Switch 3030 Upstream Port-channel Flapping Up-down

Apr 30, 2012

show logging

May  1 16:00:30: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/12, changed state to down
May  1 16:00:39: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/12, changed state to up
May  1 16:17:28: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/12, changed state to down
May  1 16:17:36: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/12, changed state to up
May  1 16:25:28: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/11, changed state to down
May  1 16:25:37: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/11, changed state to up
May  1 17:19:25: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/11, changed state to down
  
Configuration as below:

macro name vmware
switchport trunk encapsulation dot1q
switchport mode trunk
no switchport access vlan

[code].....

Note:Both active blade switch and standby one are connecting to same aggregate switch 3750. Yet the active one, with same config as standby one, has not occurred this issue.

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Cisco Switching/Routing :: 3750 / Configure Rapid-pvst On Both Blade Switches Or Keep Default Configuration

Nov 14, 2011

3750 switch connects to Blade-switch_1 and Blade-switch_2 Spanning-tree mode is configured as rapid-pvst on 3750 switch, do I need to configure rapid-pvst on both blade-switches or keep the default pvst config.3750 is running VTP domain HQ and transparent mode Both Blade_switches are running VTP domain CLI and transparent mode To configure Etherchannel between 3750 and blade-switch_1 do I need to have all devices in same vtp domain?

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Cisco Switching/Routing :: Find A Sample Working Configuration Of (HP Rebadged) 3120 Blade Switch?

Jun 13, 2012

Where can I find a sample working configuration of (HP rebadged) 3120 Blade Switch?
 
I have the Cisco 6500 end configured as follows:
 
interface Port-channel1
switchport
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,300,304,310,320,560-562,600,740,770,950
switchport mode trunk
load-interval 30

[code]....
 
I will be connecting 9/5 and 9/6 to Cisco 3120G (HP rebadged) Blade Switch in c-Class Enclosure tomorrow.It would be nice to have a rough sample configuration of the above 3120G switch.

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Cisco Switching/Routing :: WRT110 - Two Router LAN - Wrong IP?

Feb 27, 2012

I currently have a wired router (Cisco RV042), a wireless router (Cisco WRT110), and a switch for my network.  I have the RV042 on a 192.168.5.1 subnet, and that is where my server and other local resources are.  I wanted to add wireless for guests, but do not want the guests to have access to local resources, so I plugged the wireless router into RV042 and configured it for a 192.168.1.1 subnet.  I can get internet access, but when I connect with a laptop to the wireless router, I end up being assigned an IP in the 5.1 subnet.  I set up the VLAN setting in the RV042 for the correct port, but for some reason I am still being assigned the wrong IP, and I can hit local resources on the wireless. 

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Cisco Switching/Routing :: 35609-X - Wrong Image On Switch

Mar 17, 2011

I inadvertantly copy the wrong image on to a 35609-X switch and now it gets stuck in a particular mode.
 
The original image was:  c3560e-universalk9-mz.122-53.SE2/c3560e-universalk9-mz.122-53.SE2.bin and I replaced it with: c3560e-universalk9npe-mz.122-55.SE1.bin ( this is what the download site identifies as the image for 3560X-24P-S)
 
It now sticks at:  Front-end Microcode IMG MGR: Programming device 0...rrrrrrwssssssssssssssssssspssssssssssssssss
 
How can I get back on to delete this image?  It ignores the break key.

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Cisco :: WLC 5508 AP Group - Clients Using Wrong VLAN

Feb 14, 2011

I have a network setup as live-ssid.  It is using the Interface for VLAN 14.  All APs under the default-group AP Group obviously allows clients to DHCP an address from VLAN 14.  This is working fine.
 
I created a new AP Group called 3rd Floor.  This has the live-ssid setup, but instead of using the Interface for VLAN 14 it is setup for the Interface for VLAN 50.  I have all the APs on this floor moved to the 3rd Floor AP Group.
 
The problem is that 95% of the clients on 3rd Floor are still picking up DHCP addresses from VLAN 14.  I checked and all the clients are connected to the APs on the 3rd Floor.  Only 4 Clients are getting an address from VLAN 50.
 
I'm not sure if something is configured wrong or not since some devices pick up the new VLAN and the rest don't.  I've manually reboot the APs on the 3rd floor to see if that would fix it.

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Cisco Switching/Routing :: 6513 Power Showing Wrong Wattage?

Oct 26, 2011

I just upgraded my power supply's from 2500Watts to 4000watts, however the show power still shows 2500watts.how do i make the 6513 recongize the change? I do have 250volts at 30 amps connected to each power supply.
 
system power redundancy mode = redundant
system power total =     2331.00 Watts (55.50 Amps @ 42V)
system power used =      1741.74 Watts (41.47 Amps @ 42V)
system power available =  589.26 Watts (14.03 Amps @ 42V)

[code]...

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Cisco Wireless :: WLC 5508 Request Received On Wrong Vlan

May 31, 2012

We have two WLC's 5508. Following are its interfaces & details:mgmt 10.49.5.251 on wlc1 & .252 on wlc2 access p 10.49.6.251 on wlc1 & .252 on wlc2 there is no AP manager interface seen on both wlc's nor configured. both wlc1 & wlc2 are connected each to two switch ports, configured as normal trunk link each.LAG is enabled on both WLC's.

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Cisco Switching/Routing :: 2960 / Recovering Switch With Wrong BAUD Rate?

Oct 20, 2012

it seems that i made a mistake when typing the BAUD rate of a 2960-Switch in rommon.I can't start the switch now, because there is no image on it (because I deleted it before) and the baud-rate has wrong settings. When connecting via console cable i can't see anything (except some strange hieroglyphics) when starting. I tried all the speeds in teraterm... without success.what can i do, to recover the switch back?

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Cisco Switching/Routing :: 3560 Possible To Create Vlan Inside Transport Vlan?

Jan 10, 2012

Between our hosting and a customer we have an extended vlan, traveling on a fiber, between two cisco 3560 switches.The thing is, that we want to create one or more vlans inside that extended vlan, in some way if possible?

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Cisco Switching/Routing :: 3750 - Extending VLAN To Remote Switch That Already Has VLAN ID In Use

Jan 10, 2013

I have two networks at two sites with a dot1q trunk between the two L3 switches at both sites (no routers involved)
 
SITE A - Cisco 3750 L3 - VLAN ID 50
10.10.50.0/24
 
SITE B - Cisco 3750 L3 - VLAN ID 50
10.20.50.0/24
 
I would like to extend the SITE A VLAN to SITE B so that I can move hosts from SITE A to SITE B without needing to change their IP address but the vlan ID is already in use. Obviously the easy solution is to change the VLAN ID for one or other of the sites but both sites contain hosts that run 24/7. Is there a way to join two VLANs with different IDs together.So for example I create a new VLAN 60 at SITE B and associate it with VLAN 50 at SITE A.

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Cisco Switching/Routing :: Route Data From Vlan 10 To Vlan 20 On 2960s?

Mar 31, 2013

i need to solves this little problem on 2960S lan BASE but i dont know if it is possible.
 
Uplink port config for gi 1/0/28 is:
 
switchport mode trunk
switchport trunk alloved vlan 10,11
  
but on interface gi 1/0/1 i want to have data from vlan 10 tagged as VLAN 20.
At this time i have solved this issue very primitively
 
I have set up gi 1/0/2 as int mode acces, acces vlan 20 and i have connected gi 1/0/2 with gi 1/0/3 with eth cable. int gi 1/0/3 is switchpor mode acces, switchport acces vlan 10

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Cisco Switching/Routing :: 3750G / VLAN 1 Is The Only VLAN And Its Disabled

Sep 16, 2012

I have a 3750G switch in my production network that only has VLAN 1 on it. All ports are in a default state and VLAN 1 is disabled. The switch is passing traffic but shouldn't having the default VLAN shut down cause the ports not to pass traffic? If I start to create VLANs will that cause the switch to stop passing traffic?

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Cisco Switching/Routing :: L2tpv3 Vlan-to-vlan Tunnel On 890

Jun 13, 2011

I am trying to setup a L2tpv3 VLAN-to-VLAN tunnel.My setup has two Cisco 890 router with Cisco IOS Software version 15.0(1) M4. These routers are connected directly on FastEthernet port 8.
 
One linux machine is connected on FastEthernet port 0 on each router. The two linux machines are on same vlan. I am trying to establish a vlan-to-vlan tunnel between the routers and send traffic between the linux machines.
 
I followed the case study 11.4 from [URL] and configured the l2tp-class and pseudowire-class. However, the vlan interface configuration is different on 890 router.
 
I configured a vlan interface as follows.

(config)#vlan 200
 (config)# interface FastEthernet 0
#shutdown
#switchport access vlan 200
(config)# interface vlan 200
 
I don't see the 'xconnect' command in this context. What's wrong with my configuration? 

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Cisco Switching/Routing :: Low Bandwidth On 3750 From Vlan To Vlan?

Nov 20, 2012

We have a low bandwith (15-20 Mbit/s) to the ASA from our Client vlan. If i connect the Client to the same vlan as the ASA is, the bandwith (90 Mbit/s) is good.
 
Here are the Layer 3 Design:
 
Client     ->     vlan 2 - Switch - vlan 7     ->     vlan 1 - ASA 5505     ->     ISP
 
The Layer 2 Design:
 
Client     ->     Gig2/0/13 - Switch - Gig4/0/43     ->     Eth0/1 ASA5505     ->     ISP
 
IP Address:
Client: 172.16.2.10Vlan2: 172.16.2.1Vlan7: 172.16.7.1ASA: 172.16.7.2
  
I assuming the switch has a problem with routing ?It is a stacked Switch with following members:

switch 1 provision ws-c3750g-12sswitch 2 provision ws-c3750g-24tsswitch 3 provision ws-c3750g-24tsswitch 4 provision ws-c3750x-48
 
And we have following error message in the log from the switch:

%PLATFORM_UCAST-4-PREFIX: 

One or more specific prefixes could not be programmed into TCAM and are being covered by a less specific prefix, and the packets may be software forwarded I first get the idea that the switch is overloaded with router traffic. Thats why i assuming i have to check the sdm templates, but i'm not sure if this resolves the issue. 
 
Here are the relevant config:
 
ASA Interface on the Switch:

interface GigabitEthernet4/0/43description ASA-inside LANswitchport access vlan 7switchport mode accessspanning-tree portfast
 
Client Interface on the Switch:

interface GigabitEthernet3/0/1switchport access vlan 2switchport mode accessswitchport port-securityswitchport port-security aging time 2switchport port-security violation restrictswitchport port-security aging type inactivitymacro description cisco-desktopspanning-tree portfastspanning-tree bpduguard enable

[code]...

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