Cisco Switching/Routing :: Unable To Boot 2511 Home Lab Access Server
Sep 25, 2012
I have setup a home lab for my CCNASecurity studies and have purchased a 2511 to serve as an access server. The 2511 was advertised as fully operational but when I powered it up this is the first error message I get.....
ERR: Invalid chip id 0x80B5 (reversed = 0x1AD ) detected in System flash
From my research it appears this may have something to do with an old ROM and newer flash, here is the ROM info....
System Bootstrap, Version 4.14(9.1), SOFTWARE
Copyright (c) 1986-1994 by cisco Systems
2500 processor with 16384 Kbytes of main memoryHere is the info on the IOS..
[Code].....
Could this be a simple as a ROM upgrade which I have found on eBay for $10.00? Or do I have a larger problem?The boot continues appearing normal until it gets to ....
%SNMP-5-COLDSTART: SNMP agent on host Terminal is undergoing a cold start and then completely hangs.
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Sep 21, 2011
I have verizon wireless router to connect to the internet via FIOS. The public IP on the wireless router is DHCP assigned. I have my home lab with cisco 2511 and octal cables. I would like to be able to access the terminal server remotely via the internet when I'm not in. I'm concerned cause the wireless router is DHCP assigned IP. Even if I have a static IP on the ethernet port of the 2511 connected to the wireless router, I'm not sure if the NAT will work so it can be accessible from the internet.
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Mar 26, 2012
I am having trouble trying to configure my cisco 2509 cisco router for access server. I have two guides shown below: URL and URL
However I am running into some problems. I can go through the second guide up until it asks me to do this command
Step 5: Configure the transport input protocol on the async lines to Telnet.
Access_Server(config-line)#transport input telnet
I cannot put in Transport Input, I only have the option of doing Transport Output let me show some lines from my console:
---------------------------
Access_Server(config)#line 0 14Access_Server(config-line)#no execAccess_Server(config-line)#transport input ?% Unrecognized commandAccess_Server(config-line)#transport ? output Define which protocols to use for outgoing connections preferred Specify the preferred protocol to use
Access_Server(config-line)#transport
------------------------
Im not sure whats going on. I have two routers(cisco 2600 series) plus my 2509 cisco router I am going to use for a access server. I have a two switches 2950 series and I have the access server connected to all of them via a octal cable.
Here is the configuration from the access server:
--------------------------------------
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-IS-L), Version 12.3(26), RELEASE SOFTWARE (fc2)
Technical Support: [URL]
Copyright (c) 1986-2008 by cisco Systems, Inc.
Compiled Mon 17-Mar-08 14:39 by dchih
cisco 2509 (68030) processor (revision M) with 14336K/2048K bytes of memory.
Processor board ID 22840809, with hardware revision 00000000
Bridging software.
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Oct 22, 2012
I can see the boot file at 192.168.100.1 but I can never get into the GUI. The unit boots up, fans running. Eventually the power light flashes red. I don't have the unit hooked up to anything else except a laptop to try and configure it.
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May 26, 2012
Customer is using SUP720 with SP rommon image version 8.1(3), he is trying to boot the new ios image from disk0, but he gets invalid magic error. he fomat the disk0 but still he gets error when he boots from disk0. He suspect that it can't be flash problem but can be software of hardware as he has two flash with same issue on 2 switches.
Customer wanted to recreate, I tried in the lab, i was able to load from disk0, but sup in lab had 8.5(4).
Customer wanted me try with 8.1(3) version. But i was unable to downgrade the SP Rommon image. SP rommon is running in Gold region and I loaded the 8.1(3) from both disk0 and sup-bootdisk, even preferrence was given to region1 but still sup came up with gold region itself.
* Will i be able to downgrade from 8.5(4) to 8.1(3), if so, what are the steps.
* is there any limitation or bug where 8.1(3) will be unable to read disk0.
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Oct 21, 2012
I have been looking at grading the IOS version on our 6509-E however there is not enough space on disk:0 to upgrade to the version I need to install. The question I would like to ask is - is it possible to boot the IOS from a TFTP server? If this is possible what configuration do I need on the 6509 to enable this. How does the 6509 know about the TFTP server as an IOS is not installed and therefore it will not have a network configuration
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Jan 27, 2013
I do have C3750G-12s switch which is not able to boot as of the expected. Every time when I break the stack and try to use console i got a weird output from my console output. we need the stack to be break and use those switch separtally .
[code]....
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Sep 11, 2012
I am in the process of upgrading our stack of 4 switches consist of WS-C3750G-48PS. Upon reading release notes found that there are two versions of release notes 1 day apart, the one 02 Sep 2012 saying that WS-C3750-48PS is not supported in this version. Then in release next day 03 Sep 2012 that note has been removed. Which one is correct. Is it supported with my model of switch or not.also unable to update boot path in the stack switches, "switch all" is not supported in the current IOS. Master switch has new boot path but unable to change in slaves.
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Nov 12, 2012
I have 2 routers, one is an Apple AirPort Extreme with a static outside IP address, I also have a Cisco 871 with a static outside IP address. The Airport Extreme connects to a switch on the private network and has an IP address ending in .1. The Cisco 871 connects to the same Private network and it ends in .2. The 871 is setup as a VPN Server. now when clients connect to the VPN they can ping the VLan IP Address on the 871, but they can t ping any other hosts on the smae network. The hosts on the private network can ping the vlan on the 871.
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Apr 7, 2013
This isn't a big deal as the rest of the ACL works fine, but this is an annoynace since the web auth redirects to our company website (internal for now) after successful login.We have a Cisco WLC that provides access to our production and guest wireless environments. The guest environment of course is in a separate vlan (10.10.50.0/24). So I created this ACL:
access-list 107 permit udp any host 10.10.2.13 eq bootpc <----internal DHCP server
access-list 107 permit udp any host 10.10.2.13 eq bootps
access-list 107 deny ip any 10.10.0.0 0.0.255.255 <---all internal networks
access-list 107 deny ip any 172.28.16.0 0.0.0.255 <----DR Network
access-list 107 permit ip any any
int vlan 50
Desc "Guest wireless network"
ip access-group 107 in
This ACL basically gives the wireless guests access to an internal DHCP server and full access to the internet. For the 10.10.50.0/24 scope, the DHCP server assigns Internet DNS servers and my rationale is that wireless clients would access it via the external IP address but I suppose it doesn't work quite like that with the website being behind the same router as the client machines.
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Apr 6, 2012
I have a Nexus 5548 installed (layer 2 device only) with several 10G ports supporting IBM P770 systems and a TSM (Tivoli Storage Manager) system on a single VLAN. All of the Nexus 5548 ports are configured for jumbo frames. I was ask to install a new server on the same VLAN as the others but as 1G port without jumbo frames to allow communications with the TSM server. I'm assuming that the 1G port for this new server without jumbo frames configured on the Nexus 5548 will not be unable to communicate with the TSM server that is on the same VLAN with it's Nexus 5548 10G port configure using jumbo frames.
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Oct 23, 2012
I have a set-up with multiple C2960 and C3750 switches. All these devices are being managed remotely. So basically I login to C2901, which is used as a Terminal Server, and reverse SSH to the console of each device. That's - I have assigned an IP to each port of the terminal server so that I can SSH directly to the desired device through via the mapped IP.
Now, recently I had to restart couple of switches - one C2960 and C3750. I initiated the reboot via console connection remotely. I could see the device logs for some time and then the logs stopped and there was no reaction from the console irrespective of any command I tried to enter.
I tried resetting the line on the terminal server, but that didn't work.
Now when I try to SSH the IP mapped to console of that particular device - i dont get any login prompt and there is no effect on device after giving any command. Although i can see the logs on the console session - but cant do anything.
I have a second way of connecting the device via inband- management, and checked the device config found it correct. It is same as other devices which are working correctly.
Both C3750 and C2960 are behaving exactly same - can see logs on console but see effect of even pressing enter - not getting login prompt as well.
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Dec 15, 2012
I am using Solawinds syslog and trying to get our Cisco routers send syslogs to our syslog server. I followed the procedure on Configuring Cisco Devices to Use a Syslog Server from [URL] Our Cisco swtches are all sending syslog messages but not the routers. I compared the config with our access switches but can't seem to find the problem:
Sample router config:
service nagleno service padservice tcp-keepalives-inservice tcp-keepalives-outservice timestamps debug datetime msec localtime show-timezoneservice timestamps log datetime msec localtime show-timezoneservice password-encryption!hostname WWF-RT1boot-start-markerboot-end-marker!security authentication failure rate 10 logsecurity passwords min-length 8logging buffered 4096logging rate-limit all 10logging console critical!aaa new-model!!
[Code] .......
is there a command that prevents the router from sending the syslog to the server?
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Apr 20, 2011
i have a new smc router and my local ip address and remote ip addresses are very similar. The remote ip address is updating my dns server but i am unable to ping it. Its something like 122.61.xxx.1 ?
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Dec 9, 2012
I purchased the EA6500 a few days ago, and when I'm connected to Cisco Connect Cloud I am unable to select Folder Access / FTP Server / Media Server. I click them and nothing happens.Also, the Cisco light on the router keeps blinking.
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Sep 5, 2012
On cisco and am having some issues with intervlan routing. I have followed the vids and manuals but just can seem to get this working. I have the following network lab set up.
Vlan 10 = 10.70.1.9/24
Vlan 20 = 192.168.0.1/24
ME2400 firmware
ROM: Bootstrap program is ME340x boot loader
BOOTLDR: ME340x Boot Loader (ME340x-HBOOT-M) Version 12.2(35r)SE3, RELEASE SOFTWARE (fc1)
[Code]...
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Feb 25, 2013
I have installed the six new WAP with model Cisco AIR-SAP2602I-E-K9, and we have two SSID for the new WAPs. When the users are connected to this WAP they can able to access the intranet but not able to access the internet. What could be the problem? I have checked and verify that they can able ping to the IP address of google from the CMD but when try from internet explorer they are fail (both with www.google.com & with IP address of google).
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Mar 13, 2012
I just find there is no "Crypto key generate" command line in my Catalyst4506-E with cat4500e-universal.SPA.03.01.01.SG.150-1.XO1.bin image. Is there any other command I can use to enable ssh access? this command is always able to use on other catalyst switch like 3750X.
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Apr 1, 2013
I am using a Cisco SG-300 28 port switch in layer 3 mode as my default gateway for all my devices. I have two vlans on the switch, vlan 1 and vlan 4. Both are pulling valid IP addresses in their scope from the DHCP server, and both have valid DNS settings. I set a static route to the Internet on the switch to our firewall (192.168.5.254). All devices connected to vlan 1 are able to access the Internet, however all devices connected to vlan 4 cannot get past the switch. A tracert from one of these devices shows it hits the switch as the gateway, but gets no further. [code]
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Jul 24, 2012
I am trying to connect my Access Server to my main network via the AUI port and I am not able to ping any device..
Current Config:
Access_Server#show run
Building configuration...
Current configuration : 1113 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
[code].....
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Jan 22, 2012
I have a 1841 deployed as my NAT device towards internet. NAT is setup so that internal addresses can access WWW. I also have some NAT translations opening speciic ports from outside to inside in the form: ip nat inside source static tcp A.B.C.D 443 A.B.C.D 443 extendable.
Now have an outside address/port setup with a public DNS reference and using NAT from outside to get access to the corresponding inside address. It works when being outside the LAN.
Now to the problem: From the LAN side of the router - i cannot access the public name. I can ping it - but my browser dont find the webserver behind the name. Someone told me it should be setup as "local firewall domain" - and i should set this up as "source NAT".
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Oct 31, 2011
i cant resolve one problem in may 1921 isr router, i have a web server in my internal lan , i set up static nat for accessing that web server from outside and it woks fine but i cannot view that site from internal workstations can you suggest me what to do. as i know when request gets to router it performs static nat and sends packet to the web server, but the server responds with its private source address instead the public address witch workstation expects and connection cannot established.
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May 23, 2012
I unpacked a new 3560x and went to put our standard code version on it c3560e-ipbasek9-mz.122-53.SE2. Everything seemed to upgraded fine but it won't boot to a console prompt. It seems like it loads the IOS image fine but can't get passed the Front-end Microcode IMG MGR: Programming device 0. [code]
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Nov 9, 2012
Unable to access switch from outside the local network. Can get to all routers and PC's
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Dec 27, 2012
I have 2960 switch and i can't access it using my console cable .I can access other switches in my network ( 3560 & 2960 ) but i can't access only this switch.may be the console port in the switch damaged? or it's a bug ?? !!! although the switch is worked normally.
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Mar 19, 2013
I have one issue on Vlan in Cisco 3750X switches , I have 2 Offices , I am sitting at corp OFfice and i have one 3750 ( 10.10.1.36)Switch at my location , in my remote office i have one more switch 3750 ( 10.10.33.1) and i am able to access the both vlan IPS with out any issue , now i have some network components in Vlan33 ( 10.10.33.1) at my remote office . i am able to ping 10.10.33.1 IP from my corp office , but i am not able to ping any network devices in 10.10.33.5 example : 10.10.33.5 is my Cyberoam IP at remote location and i am not able to ping , i have taken a trace route and not able to find the issue as i am not much femilar , ping 10.10.33.5 at remote location devicec
I am giving the Configuration for both locaitons below :
10.10.1.36 - Corp Office 3750 Switch:
sh run
L3-#sh running-config
Building configuration...
[Code].....
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Feb 23, 2012
I have configured vlans in 3560G switch but vlans notable to accessing Internet
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May 16, 2011
I am able to access all website except one particular website from my home network. Also, I am unable to access the same website using my ipod-touch. The website is up and running and it is not down. In order to verify, I took the laptop and ipod touch to starbucks. I was succesfull in accessing the website from starbucks using my laptop as well as my ipod-touch. Also, I tried to replace m existing router with a new router, but still the problem exists. Operating System: Windows Vista 64bit?
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Oct 16, 2012
Today when we run one applcation to access a target server with IP address 10.2.2.13, the application cannot run through and appearing error message related networking.The target server has two network ports whereby another one with IP 10.2.2.14 is running OK with the same application. All these two connections are connected to the same Cisco switch 3750, after the switch then go to Cisco ASA firewall which has no access control rule for this 10.2.2.13 and its subnet, and then the firewall connect directly to the application server.We can ping, remote desktop access and telent port for the application to the target server by using 10.2.2.13.We swapped the cable connection of the ports from one another and try the application again, the IP with 10.2.2.13 is still fail and IP with 10.2.2.14 is OK.We then change the IP from 10.2.2.13 to 10.2.2.12 or 10.2.2.155, all are OK. We changed back to 10.2.2.13, it is failed again.The switch is in running real time production and so we cannot power cycle or reload the switch.
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Apr 24, 2011
On a 4500 switch port , defined as access vlan 10, if the user connects his own dhcp server ( instead of the normal pc that should be connected ), will it cause issues with my existing network. the existing network is all static ip. In above case, will the dhcp server start looking out and assign dhcp ip's , if a user unknowingly removes his static ip and changes to obtain ip via dhcp option on the lan properties.
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Aug 23, 2012
My configuration:
radius-server host 10.138.44.57 auth-port 1645 acct-port 1646 key 7 ******
!
aaa new-model
!
aaa authentication dot1x default group radius local
[code]....
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May 2, 2012
Connected server on a tenGigabitEthernet interface simple configuration setup
switchport
switchport access vlan 201
end
for server connection. Connected with Fibre. The interface is up and up but cannot ping server?
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Dec 24, 2011
On a 4500 switch port , defined as access vlan 10, if the user connects his own dhcp server ( instead of the normal pc that should be connected ), will it cause issues with my existing network. the existing network is all static ip. In above case, will the dhcp server start looking out and assign dhcp ip's , if a user unknowingly removes his static ip and changes to obtain ip via dhcp option on the lan properties.
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