Cisco WAN :: Replace 2611 Functionality With 3750G -48TS-S?
Aug 15, 2011
We have an aging 2611 router that that we need to replace due to the fact that its 10Mb/s Ethernet ports are limiting our internet connectivity throughput (we have a 20Mb/s circuit).
The purpose of the 2611 router was to route traffic from multiple devices connected to a 2950 switch's VLAN X to the internet. Can we achieve this same functionality with only a 3750C-48TS-S switch? Could a static route statement on the 3750 replace the need for the router?
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Dec 13, 2010
I have a stack composed by:
Switch Ports Model SW Version SW Image------ ----- ----- ---------- ----------* 1 52 WS-C3750G-48TS 12.2(35)SE5 C3750-IPBASE-M 2 52 WS-C3750-48TS 12.2(35)SE5 C3750-IPBASE-M
All works well, except for the client connected to the gigaethernet ports that do not works at 1000, I am sure that the clients are able to do it. I have done a check on one of 48 port:
SW3750_100_ced_rk0#sh int gigabitEthernet 1/0/24 capabilitiesGigabitEthernet1/0/24 Model: WS-C3750G-48TS Type: 10/100/1000BaseTX Speed: 10,100,1000,auto Duplex: half,full,auto Trunk encap. type: 802.1Q,ISL Trunk mode: on,off,desirable,nonegotiate Channel: yes Broadcast suppression: percentage(0-100) Flowcontrol: rx-(off,on,desired),tx-(none) Fast Start: yes QoS scheduling: rx-(not configurable on per port basis),tx-(4q2t) CoS rewrite: yes ToS rewrite: yes UDLD: yes Inline power: no SPAN: source/destination PortSecure: yes Dot1x: yes
Seems all ok but if I try to disable auto config about speed and duplex, and force it manually to 1000 full, I lost the client when i done it I forced the speed and the duplex to 1000 full on the client too.
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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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Jan 26, 2012
I was given an old Cisco 2611 to screw around with, no idea if it's working or not and no idea if the configs and passwords were wiped. Now my problem is that when I turn it on I don't see any console output at all.
Using 9600 baud, 1 stop bit, 8 data bits, no parity or flow control.
The power LED comes on and the activity light blinks for ~1 - 2 minutes before stopping. If I plug something into one of the Ethernet ports on the back the link light comes on for the port and the activity light occasionally flashes, from DHCP probes or something from my netbook I assume.
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Apr 29, 2011
I have 2611xm router with 2 fastethernet ports. Now I want to install NM-1FX-TX module. I just want to conform that does 2611 supports NM-1FX-TX module. I am using this device for lab purpose. I am using latest IOS"
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Feb 10, 2011
i was just wondering if its possible to use a WIC-4ESW with a 2611 non-XM router?
with any IOS versions, i just want to know if its possibly or not.
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May 28, 2011
A broadband speed test take before the Cisco 2611 shows 25+ Mbps. After the 2611, it drops to under 6. Consistently. The router routes between the local LAN (10.80.0.3) and a remote building across (10.13.0.2) a T1. The ADSL internet connection enters this router and leaves to a Cisco 3550 switch.
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Dec 26, 2012
now currently i am working in networking academy. here we are using cisco 2611 and 1761 routers, i want to setup these two routers, i know the all configuring commands,
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Sep 1, 2011
my cisco 2611 series router is showing garbage value at start up and not allowing me to enter in Romon mode I check the bitrate in console .it is 9600/8N till then i am unable to start the router Can you tell me how to change configuration register value without entering in rommon mode
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Aug 16, 2011
Phase1 is complete, Phase2 isn't coming up...everything has been verified on both sides but we're getting unknown errors.
Aug 17 11:33:15.609 CDT: ISAKMP (0:2): Old State = IKE_QM_READY New State = IKE_QM_I_QM1
Aug 17 11:33:15.609 CDT: ISAKMP (0:2): Input = IKE_MESG_INTERNAL,
[Code].....
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Aug 30, 2011
i have Cisco 2611 series router it is showing garbage value while start up as 00000000000000000000000200000000000000 and i am unable to log in it Roman mode.
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Aug 3, 2011
I'm trying to connect my Cisco lab to the internet. I've configured my 2611 to accept DHCP. I can ping the Linksys E1000 router but can't ping the modem on the other side, and cannot get out to the internet with the PC that's connected to the lab. When I look at the DHCP table in the E1000 the 2611 shows up in the table. I can ping all other computers on the lan, just not the modem to get out to the net.I have the configuration for the 2611. Did I miss something. Is the modem blocking ICMP traffic?
Router#sh run
Building configuration...
Current configuration : 931 bytes
!
version 12.3
service timestamps debug datetime msec
[code].....
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Oct 4, 2012
I have a wireless access point, I want to be able to hand out addresses via the Cisco router through DHCP on the interface eth0/1. The wireless users that get an IP I want then route out the eth0/0 interface to my statically assigned default gateway. Right now Im not concerned with setting up security measures once this works I'll go back in and add that. Here is my running-config. Right now nothing from the 10.0.0.0 is being routed out to the internet.
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Apr 8, 2013
I got some unexpected System crash, and this happens to 2 different routers on the same network.. (We suffer a Crash and change the router, happens the same to the new router after some time, maybe 40 minutes!!)
Here is the last console report for the new router....
%Software-forced reload
Preparing to dump core...
4w1d: %SYS-2-WATCHDOG: Process aborted on watchdog timeout, process = IP NAT Age
[Code]....
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Dec 29, 2012
I have one Cisco ASA 5510 with 2611 router two 2960 switch how to configure.
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Sep 8, 2012
I am with Virgin media and have a home lab (2611 routers, 3550 switches, 2950s etc) which i usually just use for testing things on and practicing.
Now I tried to connect it to the internet and got some weird things happening.
I got NAT and DHCP client all setup correctly on the router (or so I think!) along with DNS settings but I still can't get Internet access.
My network is all setup right so that through using OSPF the router is the gateway (0.0.0.0 route) for all devices. Doing a traceroute confirms this.
Yet I never get any further than the router? I see IP nat translations ticking up as I send more requests but never get a webpage or a reply from any of the machines in my network.
HOWEVER... The router itself does get some replies from Google.co.uk and bbc.co.uk but doesn't seem to want to give anything else on the "inside" a response?
Here is a dump of config:
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
[Code].....
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Mar 11, 2012
My home lab is in a different room than the cable modem. I have a wireless N router in the room with the cable modem. I have a wireless access point that is connected to a Cisco 2611XM routers fa0/0 interface. The 2611 accepts the DHCP address from the wireless router. However, I can't ping past the wireless LAN 192.168.10.0 network. I know with the wireless router it's two layers of DHCP. Should remove the DHCP settings from the wireless router? The wireless router is a TrendNet TEW-651BR. I can ping my iphone or any device conntected to the wireless router. And my laptop can ping default gateway of the wireless router, which I assume is the cable modem, however the 2611 cannot. So I'm assuming that's why the hosts behind the 2611 can't get to the internet. I followed the below instructions. I know the instructions don't assume your using a wirelss router between 2611 and the cable modem. But, I really don't want to run a cable to the cable modem.
[URL]
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Feb 7, 2012
We are planning to run BGP on our pair of 3560G switch, I would like to know how many bgp routes it can support? it currently running on advance IP service.
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Mar 27, 2011
What is the difference between v02 and v03 of ws-3560-48ts-s switches? is it just small corrections or functionality?
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May 3, 2013
Any replacement fan for the WS-C3750G-48TS-S switch that runs quieter than the one originally built into this router? I've searched a number of web sites and found plenty of replacement fans available but none of them show noise level specifications.
particular manufacturer/model combination that works in this router that will drop the noise level down while maintaining air flow. This switch is in a short network rack in an small office that also includes people. The current noise level isn't defining like some servers, but is loud enough to be distracting.
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Nov 2, 2011
choosing Ios for a funcionality.
We need to upgrade Ios in a 6509, the reason for we need to upgrade IOs is that we need implement the command xconnect in a interface. The current version of Ios not suport this comand.
How do we select the new IOS that suport this command?, ..we see a long list of IOS in the software download section of 6509, but not sure which one to choose..
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Oct 19, 2010
With lms 3.2 during installation we can choose what to install i.e. not install DFM or IPM.
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Jan 22, 2012
Using the VRF- Lite functionality on Cisco 3750G's (WS-C3750G-24T-S), I've got a situation currently with a set of 3750's running inter- v LAN routing for around 80/90 connected sub nets (140+ gig ports). I'm looking in the coming week at creating a new VRF and enabling OSPF for that VRF while leaving the existing routing arrangements in the Default IP Routing Table.
I'm in a situation where I can't replicate the live config into a lab to test the impact / implications of enabling / creating VRF's. I know the 3750's have a very small support for VRF's (24 if I recall) but I only plan on using 2 or 3 max currently.
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Feb 14, 2012
I have below switch and I was interested in configuring GRE on one of the interface. So I tried to create tunnel interface, the tab completes the command. Is GRE supported on this switch and IOS?
Switch#show version
Cisco IOS Software, C3560 Software (C3560-IPBASE-M), Version 12.2(35)SE5, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2007 by Cisco Systems, Inc.
......
cisco WS-C3560-48TS (PowerPC405) processor (revision G0) with 122880K/8184K bytes of memory.
Switch(config)#interface tunnel 0
^% Invalid input detected at '^' marker.
Switch(config)#
IP routing is also enabled.
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Jul 21, 2011
i need to free up my 2811 router memory.so if i remove this package, it will cause impact or i will miss any functionality ?
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Sep 30, 2012
I am currently looking at the suitability of replacing an 'airbreak' firewall with 2 new ASA 5505'S.One stipulation i have is that i require to connect the third party that is currently using the 'airbreak' solution using a secure iPsec VPN.I have both 5505's that were supplied by the third party, but i believe i may need a new fireware upgradeI am using ASDM 6.4.XX and the ASA's have firmware 8.4(2) and a basic licence.Am i correct in assuming that the VPN wizard functionality is missing because of th firmware installed currently on both of the ASA's? or am i looking in the wrong place?
I have done a fair amount of research an can see earlier versions of ASDM wit the VPN wizzard so can only assume it is down to the firmware.i see that the latest version for the ASA 5505's is 8.4.4 and was wondering if this will provide me with the functionality i require as it does mention in the documentation that it does support the clientless VPN options. What part number ASA5505-BUN-K9 relates too in relation to firmware for the ASA's? [code]
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Jan 31, 2012
Well I have been back and forth on this a while now...I have a 6513E chassis that is getting prepped for prod. I am currently testing sso functionality and I can only get it to work using the following images on both Sup Cards.
s72033-adventerprise_wan-mz.122-33.SXI5.bin
If I try any other image, smaller or bigger in size...it forces my Sup card in mod 8 to recycle " proxy request from peer ". I have tried K9 images and non K9 images. Here is an output from sh redundancy.
Redundant System Information : Available system up time = 4 minutes Switch overs system experienced = 0 Standby failures = 0 Last switchover reason = none [code]...
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May 31, 2010
the " password recovery functionality is disabled " service is running on the system .
im trying to access rommon in a Cisco 851, with not much success, i am sending a break after the image is loaded ( in the time frame that is allowed for that) .
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Jul 31, 2012
We just purchased this device and was curious if the firmware 3.0.2.0 or 3.0.1.0 has the CLI functionality like the Sx300 models with 1.1.2.0. I find it easier to configure via CLI then the WebUI.
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Jun 13, 2012
Can I upgrade my 3750 48TS-S to the EMI software or does it need to be a 48TS-E?
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Mar 7, 2012
This switch randomly reboots throughout the day. I checked the stacks info and reported it was using crashinfo_12 (report below). I have access to the switch throughout the day if more config info needs to exported.
Cisco IOS Software, C3560 Software (C3560-IPBASEK9-M), Version 12.2(50)SE1, RELEASE SOFTWARE (fc2)
Copyright (c) 1986-2009 by Cisco Systems, Inc.
[Code].....
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Feb 21, 2012
I have a switch WS-C3560G-48TS.The version of IOS is:
WS-C3560G-48TS 12.2(58)SE2 C3560-IPSERVICESK9-M
The command "track number rtr" is missing. There are just three options there:
#track 10 ?
interface Select an interface to track
ip IP protocol
list Group objects in a list
Why is that so and where is rtr?I have the same switch with the following ios version:
WS-C3560G-24TS 12.2(50)SE1 C3560-IPSERVICESK9-M
rtr is present in there.
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Oct 21, 2012
I have a network running some 20 switches, two controllers and many AP's. All the devices that should be able to connect to cisco network assistant can successfully. However there is one switch that will show in neighbours but will give the message of “unable to connect to device” when I try and add it to the topology.
As far as I can see the config is identically to all other similar switches in the network. I can telnet from a switch (management VLAN) to the switch in question. However when I try to ping or telnet from the PC running network assistant (different subnet) I am unsuccessful. However I can ping/telnet to all other cisco device from this PC. The switch is a WS-C3560-48TS and I have included the config for firstly the switch in question and another switch of the same model and config that works correctly.
sho run
Building configuration...
Current configuration : 7363 bytes
!
version 12.2
no service pad
service timestamps debug datetime localtime
[code]......
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