Cisco Switching/Routing :: 3750G - Maximum Throughput Reduced By Stacking Or Any Of Other Features

Mar 21, 2012

We are experiencing output drops on our 3750G-12S (IOS 12.2.55).
 
I have monitored throughput with MRTG, but it doesn't seem that high compared to that the 3750G is supposed to handle 17.8 Mpps.
 
The 3750G's are stacked, running ospf, qos, multicast (IPTV) and etherchannel.Is the maximum throughput reduced by stacking or any of the other features?
 
I don't know if one can estimate what the maximum throughput is per ASIC or per port, but on one of the ASICs that is having drops the peak unicast load is 1.3 Mpps and multicast Mpps is 0.9 Mpps. Total ~2.2 Mpps.
 
This doesn't seem high at all and I don't understand why the drops are appearing. What I can do to find out the reason for these drops?

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Cisco Switching/Routing :: 3750G 12S - IOS Features And Stacks

Oct 2, 2012

I am trying to stack the following -

3750G 12S - 12.2.53(SE2 IP Services) Running EIGRP & OSPF

with

3x 3750X 48P-S - 12.2.53(SE2 IP Base License)

Doing some research, the IP Base does EIGRP on the 3750X, does it do OSPF?

If not I will have to get licence for the 3750X?

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Cisco Switching/Routing :: Stacking 3750G And The 3750E?

Nov 20, 2012

have 2 3750's one is an 3750E the other one is a G... Since they are 2 different versions Do I need to correct ios for each for example my 3750E switch i would have
 
IP BASE
 c3750e-ipbasek9-mz.122-53.SE2.bin        and for my 3750G switch should i use
  
IP BASE
 
c3750-ipbasek9-mz.122-53.SE2.bin
  
Which would be 2 separate images

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Cisco Switching/Routing :: Stacking 3750X With 3750G?

Apr 22, 2013

I have one 3750X with C3KX-NM-10GT, I need to interconnect using stackwise to 3750G-24TS. The 3750X needs IOS 15.0(1) to use C3KX-NM-10GT, and the latest IOS for 3750G-24TS is 12.2.55. How can I interconnect them using diferent IOS?

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Cisco Switching/Routing :: Stacking 3750g And 3750x - Hardware Version Mismatched

Jul 18, 2012

I am trying to stack a 3750g with a 3750x. At the moment they will not stack with their current IOS as the hardware version is mismatched.
 
According to various posts this is possible as long as the same IOS is in use. The following IOS are currently in use:
 
3750g     -     c3750-ipbaselmk9-tar.122-55.SE5
3750x     -     c3750e-ipbasek9-mz.150-1.SE3
 
I have tried to downgrade the IOS on the 'X' to 122-55.SE5 however, i get errors regarding firmware incompatibility.
 
I am unable to upgrade the IOS on the 'G' to 150-1.SE3, as the size of the IOS image is larger than the available flash (Version 15 IOS for the 3750G (c3750-ipbasek9-mz.150-1.SE3.bin) is 16,074,189 bytes whereas the 3750G has 16MB of flash memory or 15,998,976 bytes total which mean the IOS will not fit).
 
Has not actually stacked these devices successfully? I understand there may be license implications of upgrading to 15 but at the moment I just want them to stack!

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Cisco Switching/Routing :: Maximum Transfer Rate With 3750G

Apr 18, 2012

I have a computer connected to a Switch3750G and another computer connected to another Switch3750G. Theses switches are connected through a Optical Fiber link in the uplinks of the boths Switchs 3750. The computers are connected in the access ports, this ports works at 1Gbps. My question is Which is the maximum transfer rate that should reach between these two computers.

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Cisco Switching/Routing :: Maximum Throughput Of 4948 Using Its Layer 3 Capability

Oct 8, 2012

Does anybody know the Maximum Throuput of a Csico 4948 using its Layer 3 capability? Is it 72mpps for Cisco 4948 and 102 mpps for Cisco 4948 10 Gigabitethernet?

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Cisco Switching/Routing :: Catalyst 3750G / WS-3750G-48PS Memory

Jan 15, 2012

Has any come across show ver memory details on 3750G-48PS as below, One of our Catalyst 3750G running software 12.2(44)SE2 shows unexpected DRAM as below:

cisco WS-C3750G-48PS (PowerPC405) processor (revision F0) with 0K/12280K bytes of memory. This would equate to around 11MB memory which does not seem right... Is it a known IOS bug?

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Cisco WAN :: 3750G-48PS-E Stack-Wise 50CM Stacking Cable

Jan 21, 2013

just wonder if the Cisco Stack Wise 50CM Stacking Cable is freely available when purchasing Cisco Catalyst 3750G-48PS-E or we need to pay for it?

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Cisco WAN :: 881 Maximum Throughput

Jan 18, 2011

I need to provide a router to connect Internet circuit and run IPsec to MPLS network. Circuit is 10Mbps.
 
What is the max a Cisco 881 can handle if running IPsec?Also, if you are aware of any branch router (1941) which allows connection to future 4G LTE .

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Cisco Switching/Routing :: 2960 - How Much POE Watts Can Be Reduced On Certain Devices

Jun 21, 2012

I'm getting currently installing a full Valcom IP sound and clock system , along with all new Cisco 2960 gig ps-l switches. All devices run off of POE. In the past, I have read that most AP's only draw approx. 12.5 watts (va's). But you must take into account length of wire to add your additional draw which puts you at the 14.5 they auto draw.  My question being that the clocks I have auto draw 15.4 watts, which is eating up my 370w of power on my switches. The spec sheet on the clocks show only a power consumption of 4.5 watts.  So today I turned a few ports down to 4.5 watts and everything still worked fine.. Any experience by chance with Valcom devices or just turning the power down on devices in general? I can imagine that a clock is drawing enough to care about the length of the wire run.

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Cisco WAN :: ISR 819 Maximum Recommended Throughput?

Jun 12, 2012

We are looking at providing an ISR 819 for one of our customers using FTTC & 3G for failover .. However, I cant seem to find any recommended throughput guidence for the device? We could be looking at up to 80Mbps via the ethernet interface and I just dont know if the device will cope?

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Cisco Switching/Routing :: WS-C3560CG-8TC-S / Speed Reduced And Drop Packets With QoS?

Apr 11, 2012

I put a QoS in a  WS-C3560CG-8TC-S  version 12.2(55)EX2.  in our lab file upload or download speed much reduced and drop the packets with QoS everyting is fine without QoS
 
Here is the config: My question is why I speed reduced a lot and packets to be dropped with QoS.everything is fine WITHOUT QoS.

class-map match-any VoIP  description Voice IP Phone RTPmatch access-group 157
class-map match-any WEB  description Internal Web, SSL Web, DNS query, Pinnaclematch access-group 153
!
policy-map QOSMARK
class VoIP  set dscp ef
 class WEB  set dscp cs3

[code]....

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Cisco WAN :: 3945E Maximum Throughput Potential?

Jan 8, 2011

Am looking at purchasing a router that is capable of serving a WAN bearer at up to 1Gbps.  The 3945E has had good reviews as a high throughput router but the datasheets suggests performance of 350Mbps.  It also states that additional performance can be ensured by adding SPE modules. Whether the 3945E could achieve up to 1Gbps with SPE modules?
 
If the 3945E can't achieve such performance, The key features I am after are:
 
IPV4 and IPV6 support
L2tpV3 support
BGP
IP SLA
1Gb Copper Connections on-board with capability of at least 4 Ports

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Cisco Firewall :: ASA 5580 - Consider Maximum Throughput That Could Be Send?

Aug 31, 2011

I have a asa5580 with multiple interfaces. To replicate me databases to another site, I mainly use two interfaces on that firewall. Those interfaces have a steady pace, around 95%.
 
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Also I want to be sure that I won't affect the normal traffic between the other interfaces. Is there a way to garantee certain traffic over others on an ASA? I don't have any router in me setup layer 3 role is perform by asa firewalls (static routes).

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Cisco Application :: 3750G - Maximum TCP Connections Statistics

Mar 6, 2012

I have a little problem...I want to see the maximum tcp connections that I had on my Cisco. I tried using show ip statistics but it's not working. I have a Cisco Catalyst 3750G (WS-C3750G-48TS)
 
IOS -> Version 12.2(52)SE, RELEASE SOFTWARE (fc3)

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May 24, 2013

When WAN traffic meter is enable on RV180 router maximum throughput drops to 40Mbps from ~120Mbps.Enabling WAN traffic meter is needed to get SNMP data from WAN port.

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Oct 15, 2012

what the maximum Data Througput can be for this router. Right now, the router is limiting my internet speed compared to what the cable modem can provide..So far, I know that when I connect my computer directly to the output of the Motorola Cable Modem and run a Speed Test on my Charter cable connection, the test shows ~ 50 Mbps for downloads and ~5 Mbps for uploads. That would be great, but I have multiple computers and need to use a router/gateway to feed my LAN. When I insert the RVS4000 router between modem and computer, the Speed Test results drop to ~ 16 Mbps for downloads and remain ~ 5 Mbps for uploads. During that test, there were no other computers online via the router. While 16 Mbps is not shabby, I would like to achieve the full value... is that possible?

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Cisco WAN :: What Is Maximum Allowable Bandwidth Or Throughput For 2911 Router

Aug 11, 2011

I cannot find this info on the cisco site.

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Cisco Switching/Routing :: Does 3900 Router Has Same Features On PBR

Dec 17, 2011

I would like to configure the policy base routing (PBR) on router (3900) base on the "specific tcp port" (TCP port 16255) to re-direct the traffic to another FE port. 
 
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Cisco Switching/Routing :: 3750 - IOS Keys And Certain Features

Feb 24, 2013

We just purchased a bunch of 3750s, and we need to do EIGRP stub routing and VRF routing
 
For the newer IOS versions (15+), will I need activation keys?

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Cisco Switching/Routing :: Distribution Using Nexus 5548/96 With L3 Features?

Feb 12, 2012

using the 55xx as a L3 Distribution switch or even as a Core.  By enabling the L3 features does it allow you enabled L3 SVI's for VLAN interfaces or are there interfaces on the daughter card that are used for routing instead?

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Cisco Switching/Routing :: 2921 - IOS That Support MPLS Features

Jan 1, 2012

I have a 2921 router and want to use mpls feature. Right Now we are using c2900-universalk9-mz.SPA.151-4.M1 image but mpls static cross connect”  is not working with this image. And will this image(c2900-universalk9-mz.SSA) be worked?

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Cisco Switching/Routing :: Features Supported In Image 3750X-24T-S?

Jan 20, 2013

What features are supported in the image ipservces cisco 3750X-24T-S? Need NAT

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Cisco Switching/Routing :: SG 500 Stacking SFP Cabling

Nov 14, 2012

How to stack a set of these switches with the copper 5G SFP on these switches. We currently have 4 switches stacked with Cat5e jumpers between S1&S2. We want to stop using this stacking method and go to the SFP. What is the best way to do this. Live would be preferable but whatever is the safest method is the way we will proceeed. Any goth'ca's in this process?

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Cisco Switching/Routing :: Stacking With 3750X?

Jan 1, 2013

There seems to be a lot of conflicting information on what can and can't stack together in the 3750X range.
 
I know that LAN Base can only stack with other LAN Base switches.
 
Can IP Base stack with IP services in 3750X? I have also heard that the 15.x.x IOS restricts mixed feature set stacks?
 
I know that Cisco recommends that all switches in a stack have the same IOS and feature set but having all IP Services in a stack can get too expensive.

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Cisco Switching/Routing :: Default Features In 6500 Series Switches?

Mar 29, 2012

some of the features of 6500 are enabled by default and woudn't appear in the "Show run".  See the command below and how do I make sure whether these featues are enabled by default or not.  Would it appear in the config if enabled?
  
ip verify unicast source reachable-via rx
ip verify unicast source reachable-via any
 
storm-control broadcast level 70 
 
what are the difference between the commands below and can they be enabled together.
 
spanning-tree guard root
vs
spanning-tree loopguard default
vs
spanning-tree guard loop

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Cisco Switching/Routing :: 6500 - Stacking Over Fiber?

May 23, 2012

Someone had told me the 6500 switches can be stacked via fiber. This feature is available for the 3750s?

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Cisco Switching/Routing :: 3750X And 3750 Stacking Together

Nov 1, 2012

I have two WS-C3750-48PS-S switches and I need to add two more.  The new part number I am looking at is WS-C3750X-48P-S will these all stack together ?

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Cisco Switching/Routing :: 3750 POE Switch Stacking?

Aug 12, 2012

We have three Cisco 3750 - 48port  POE -LAN switches and i am trying to see if there are any issues when we stack POE and Non-POE type of switches.Aslo looking for information on the advanatage and disadvantage the stacking can provide on a Cisco 3750 48port.

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Cisco Switching/Routing :: Stacking A 3750X With 3750Gs

Jan 23, 2013

We currently have a stack of 3750G switches that are running 12.2(46)SE C3750-ADVIPSERVICESK9-M
 
Our 3750X is currently running 15.0(2)SE C3750E-UNIVERSALK9-M and I believe we were told you can't stack with a Universal IOS image. We have the universal on there because we have some 10GB fiber connections on it that Cisco told us wouldn't work otherwise.
 
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Cisco Switching/Routing :: C3750-X Stacking Configuration

Mar 30, 2013

I am having troubles to get 2 C3750-X switches WS-C3750-X-48P-L) to stack.   They are both running  iOS 15.0(2)-UNIVERSALK9, and are licensed for IP Base.
 
If I connect stack port 1 of switch 1 to stack port 2 of switch 1, and  stack port 1 of switch 2to stack port 2 of switch 2 I get the following:
 
WS-C3750-X_STACK1_SW1>show switch stack-ports summary
Switch#/  Stack   Neighbor   Cable    Link   Link   Sync      #         InPort#     Port              Length    OK   Active   OK    Changes   Loopback          Status

[Code].....
 
I have tried restarting (powering off for about 1 min and turning back on) simultaneously, and powering off switch 1 for 1 min and switch 2 for 2 min.   I have also tried both enabling the stack ports, and disabling followed by enabling.

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Cisco Switching/Routing :: 3560 V2 Stacking With 3560X?

Mar 14, 2012

Im going to be ordering a new 3560X L3 switch (ws-3560x-48pf-s). We currently have a 3560 V2 switch and I've read it supports stacking, but looking at the back I just see a console port. Is there an extra card I have to get for this 3560V2 to make it stakable with the 3560X?

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