Cisco WAN :: 3750 Not Able To Telnet From Outside

Feb 16, 2012

I have a cisco 3750 switch and i given 2vlans (40, 118). 40 is local and 118 is public.I given the public ip for vlan 118. now i am able to telnet from same vlan (118 only) but i am not able to ping and telnet as globally. [code]

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Cisco Switching/Routing :: 3750 Telnet Still Working When Accessing This Switch

Apr 12, 2012

I only want SSH to be allowed when accessing this switch, but telnet is still allowed, why?  Whe authenticate via radius.version 12.2no service padservice timestamps debug datetime msecservice timestamps log datetime msecservice password-encryption!hostname 3750!boot-start-markerboot-end-marker!logging buffered 64000logging console informationallogging monitor informationalenable secret 5 $1$1K$!username admin privilege 15 secret 5 $1$Bs$cLHusername users view priv3 secret 5 $1$Jfnviwp!!aaa new-model!!aaa authentication login default group radius localaaa authentication enable default lineaaa authorization consoleaaa authorization exec default group radius local !!!aaa session-id commonclock timezone GMT 0clock summer-time BST recurring last Sun Mar 2:00 last Sun Oct 3:00switch 1 provision ws-c3750g-12sswitch 2 provision ws-c3750g-12ssystem mtu routing 1500udld aggressiveno ip domain-lookupip domain-name CB!!login on-failure loglogin on-success log!!crypto pki trustpoint TP-self-signed-3817403392enrollment selfsignedsubject-name cn=IOS-Self-Signed-Certificate-3817403392revocation-check nonersakeypair TP-self-signed-3817403392!!crypto pki certificate chain TP-self-signed-3817403392certificate self-signed 01  3082024C 308201B5 A0030201 02020101 300D0609 2A864886 F70D0101 04050030   31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274   69666963 6174652D 33383137 34303333 3932301E 170D3132 30343133 31303539   33395A17 0D323030 31303130 30303030 305A3031 312F302D 06035504 03132649   4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D33 38313734   30333339 3230819F 300D0609 2A864886 F70D0101 01050003 818D0030 81890281   8100C31D AE6DD8B5 56245317 AD96F4F4 727385D4 97A5B138 488A215E 4294FC40   1C5B2F26 2B75E1CF E562F240 118F2F50 0CFF2449 16EC66EA 2D489F5F F36BFD05   ACCC79CA DDDA984D 4CB7AB DD95A5E0 9274A225 3F5A3634 DEBF1A2A 416E2189   B35B4473 C7D5EE2C E3D41675 A86F31CD.

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Sep 17, 2012

I have 2 switches. 2960 and 3750.  I have trunk on both ports of the switch.  there are couple of vlans and ports are assigned to those vlans. examples are management, voice and data. int vlan 1 has ip   there is default gateway  the hosts are able to connect to the internet when connected to the switch.  

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Cisco Switching/Routing :: Unable To Ping VPN 3005 Concentrator From Telnet Session In 3750

Feb 7, 2012

The network is set up like this.
 
Host -----> 3750 (classic) running IPSERVICES stack ----> 3550 router -----> VPN 3005 Concentrator.
 
IP routing is disabled on the 3750 (it's acting solely as a switch) IP routing is enabled with an EIGRP process running on the 3550 router that has the network for the 3005 broadcasting.
 
I can ping the vpn 3005 concentrator from a telnet session in the 3550 but not from the 3750.I can ping between the 3750 and the 3550 vlan management interfaces.  Visually speaking it's like this
 
3750 ------> 3550  [Success!!!!]
3550 ------> VPN 3005 Concentrator [Success!!!!]
3750 ------> 3550 --xxxx--> VPN 3005 Concentrator [Timeout....]
 
I know this because I tracerout to the 3005 from the 3750 and it resolved the default gateway configured for the 3550 properly but then started timing out.
 
The 3750 is trunked to the 3550.
 
3750 is vtp client mode
3550 is vtp server mode
 
I'm wondering if there's a layer 2 issue involved here as it is a VTP domain and maybe it's not returning properly. 

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Do I need the Universal image to perform stftp on a 3750 or 3750-X?

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I have a 891 router I have been testing some things on. I have been able to successfully telnet to it in the past with no problems. Just yesterday I was trying to set an interface to have an IP of 10.10.10.2 which I realized was an IP I had forgot to exlcude from DHCP and it was handed out to the computer I was using to telnet in. So I wrote in the exlcude commands and did an ipconfig -release ipconfig -renew on my PC that had the 10.10.10.2 IP. After the renew I was given 10.10.10.7 (put in a few more excludes).However the release dropped my telnet connection and afterwards I was completely unable to telnet in, getting the error that says I cannot open the connection on port 23. I had made some changes to my entire config beforehand which had it switch to use a new public IP. I never saved the changes and did a hard reset by unplugging the router to get my old config back and see if I could telnet after that. Still could not get in, same error. Well I went through and remade my entire config to use the new public IP. My 10.10.10.7 PC can access the internet, DNS, ping the router, all just fine. Still can't telnet. I remade my line/vty config and made sure it matched up with a config I had on another router. Still can't telnet. Last thing I did was go in and manually clear all open line connections. All that is left is an idle 0 con 0 line that it wont let me close. Still can't telnet.What the **** is going on with this thing? I am completely at a loss to explain why I cant telnet. It must be something in my ACLs that I am missing?

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1.SCP Not Working on my Linux Box (Fedora release 7 (Moonshine))to Fedora fc11.i686 running box[CODE]

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Feb 10, 2011

I have the following configuration to enable me telnet to a cisco switch, but couldn't even ping the 192.168.1.22.

vlan 22
!
conf t
int f4/4
switchport mode access
switchport access vlan 22

[code].....

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Please find the attached config details.

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I have Cisco router 851 at my region site. It has five Fa ports. One of them is connected to ISP and has ip address 10.1.1.2 (for example). It also has vlan 1 interface, that has ip address 192.168.0.1 (also for example). I also have Tun0 interface that goes through ISP network and connects to my hub network. The rest of Fa interfaces are swithcable and they are in vlan 1.The problem is that from hub LAN I can telnet to 10.1.1.2 ip address, but I can't telnet to 192.168.0.1. Whereas I can Ping 192.168.0.1 from my hub LAN.

Topology:
 
Hub LAN -------ISP---------Spoke Router 851

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I am not able to telnet  or ssh to ASA running 8.2.5(33). [code] I am able to ping inside interface of the ASA. Telnet gets stuck at Trying

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I am facing an issue with a cisco 877 router. I am not able to telnet to this router from outside using the public IP. I have also notices this works when the Nat is removed.

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I have a  Cisco 2650 with a simple config as follows:

version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname MaVI_Test
[Code]....

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I've configured in an ASA5540 (8.4) access to a server in my LAN using telnet with webVPN. I've installed the ssh/telnet plug-in in the ASA and SSH access to the servers works fine but when I try telnet access I always get this error:
 
Could not connect to: "ip server" 23
Reason: java.io.IOException: Connection failed
 
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I have an early model PIX-515 that hasn't been used in a long time but I want to get it working again in a lab environment.  I am at loss right now on how to get into it though. 
 
CONSOLE:

I've tried connecting from the PC's serial port to the units console port using Cisco's blue cable with no avail.  All I get is a cursor but no response.  I've tried using 9600,8,none,1,none as settings and I can sucessfully console a Cisco 1700 router with those same settings in Putty no problem, but it doesn't work with this Pix.   I've also tried using other possible common speeds like 1200,1400,4800,19200, 38400, 57600 and 115200 in case the firewall was set to use those and that didn't work either.

[code]...

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I'm having difficulty logging onto my 1801 router over the internet I can ping the device and tracert to it but I can't telnet or SSH ,Here is the config - Can you see whay this would happen. Its on ADSL link.

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Cisco Firewall :: Asa 5505 Cannot Telnet Or Ssh To The Outside Interface

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I setup a site-to-site VPN tunnel at the remote ASA5505. I am able to asdm to the outside interface but not ssh. I switch to telnet and still not allow me to access. I added an ACL to allow telnet any to the outside interface but still not working. In ASDM I see the log Here is the second issue. When I want to change the telnet back to ssh using ASDM I got the following error.

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Sep 20, 2012

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With wireshark, I can see the requests been made to the router.. ( from the office )
 
Within my PCF file i have ...
 
[main]
Description=MYNAME
Host=<external IP>
AuthType=1
GroupName=vpnname
GroupPwd=<myUnEncryptedKey>

[code]....

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sh telnet maxsessions
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30 at 192.168.30.1
 
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