Issue of Telnet and SSH on Cisco 3750.
I turn on Cisco 3750 and everything so I wasn't able to connect in the area. I even changed the source interface and update transport under the VTY lines input method, no luck.
Can I choose to disable SSH by removing the corresponding lines of configs and RSA keys. And I changed the entry to transport back to Telnet. After the reboot of the switch, I'm still not able to connect despite the fact that the box is accessible.
Any help?
Thank you
Jean-Marie
Hello
This should help to confirm the configuration and troubleshooting SSH on your device: -.
http://www.Cisco.com/c/en/us/support/docs/security-VPN/Secure-Shell-SSH/4145-SSH.html
I hope this helps.
Kind regards
Dinesh Moudgil
PS Please rate helpful messages.
Tags: Cisco Security
Similar Questions
-
Hello
We have two WAP561 devices and they delivered with firmware 1.0.3.4. In this firmware release notes, there is open opposition with reference number CSCty22825, declaring that telnet and ssh is disabled in the interface chart and SNMP. In the notes of the other releases, as 1.1.0.4, this caveat is no longer present. We have improved our 1.1.0.4 devices, over telnet and ssh section is still not present in the GUI.
Is there a way to enable ssh on these devices? In the administration guide, there should be a section called 'Telnet and SSH', but it is not present in the GUI. We also checked with the emulators with different firmwares. Still no telnet and ssh, section.
Your help is very appreciated.
Thank you
Hello
These options were available in a very old firmware (the first version) which is no longer present on the cisco.com site and unfortunately I do not have. For security reasons, these options have been removed the new firmwares available.
I hope that the information provided was useful.
If you have any other questions do not hesitate to contact me.
Best regards
-
Is it possible to have a different public IP (i.e. 66.102.7.000) address to telnet and SSH for the ASA 5510 remotely? If it is possible, how you would install the telnet and SSH? The config is attached. Thank you.
Laura
laurabolda wrote:
Thanks for your prompt response, Jon.
For clarification, if my computer IP address is 66.102.7.10, can I SSH to the ASA (outside interface 109.66.25.80)? If I can, how would you set it up on the ASA? Is it the same command as your previous response?
Thanks.
Laura
Yes Laura he would be-
SSH outside 66.102.7.10 255.255.255.255
Jon
-
Information about TelNet and SSH
Hi all... IM new here
Its my first qstion
Q: I would like to know more about TelNet and SSH... How... can its work you explain this...?
Hi Muhammed,
Welcome to the Microsoft forums.
I understand that you need to know about TelNet and SSH. I'll help you with the information.
The Telnet utility to connect to other computers over a local network or on the Internet. Unlike a modern Web browser, Telnet uses only the controls text to interact through the network. While this method is a little outdated, it is still used by advanced users to test a network or perform maintenance on the system. Telnet is included with Windows 8, but is disabled by default. You can use the control panel to activate Telnet and then perform the network with application basic commands.
a. open Control Panel. This can be done through charms, Windows + X, or by conducting a search on the start screen.
b. Select programs from the main menu.
c. click on or turn off Windows features turn on and approve the application administrative.
d. check the Telnet Client and Telnet Server (depending on what you need).
e. click OK.
You can see the following TechNet article to learn more about TelNet.
http://TechNet.Microsoft.com/en-us/library/cc732339 (v = ws.10) .aspx
SSH (Secure Shell) allows you securely transfer files between computers on a network. All the data involved in the SSH session is encrypted in order to protect against hackers. Once SSH is installed on your computers and servers, you can create passwords for individual users, using programs included in the installation of SSH. If you need to SSH to a remote computer, you need to download a third-party program to connect via SSH.
I hope this helps.
Please report if the problem persists and we will be happy to help you further.
-
Telnet and SSH on PIX515E does not
I have two PIX515E (primary and Fail-over) and I can't access it via telnet or SSH.
I can access only once they have restarted and then they react to me and close the connection.
the version of the show from the primary is as below:
Cisco PIX Security Appliance Software Version 8.0 (3)
Version 6.1 Device Manager (1)
Updated Wednesday 6 November 07 19:50 by manufacturers
System image file is "flash: / pix803.bin.
The configuration file to the startup was "startup-config '.
Primary up to 3 days 19 hours
up to 13 hours and 18 minutes failover cluster
Material: PIX-515E, 128 MB RAM, Pentium II 433 MHz processor
Flash E28F128J3 @ 0xfff00000, 16 MB
BIOS Flash AM29F400B @ 0xfffd8000, 32 KB
Hardware encryption device: VAC + (Crypto5823 revision 0 x 1)
0: Ext: Ethernet0: the address is 0019.e762.f577, irq 10
1: Ext: Ethernet1: the address is 0019.e762.f578, irq 11
The devices allowed for this platform:
The maximum physical Interfaces: 6
VLAN maximum: 25
Internal hosts: unlimited
Failover: Active/active
VPN - A: enabled
VPN-3DES-AES: enabled
Cut - through Proxy: enabled
Guardians: enabled
URL filtering: enabled
Security contexts: 2
GTP/GPRS: disabled
VPN peers: unlimited
This platform includes an unrestricted license (UR).
Serial number: 810417710
Activation key running: 0x7785a916 0x349cafef 0x49afea88 0x8bbd3f92
Modified configuration of enable_15 to 12:49:25.499 EEDT Sunday, July 26, 2009
can someone help me solve this problem please.
I would upgrade to 8.2. I don't have the bug number, but you should be able to find it in the Bug Toolkit.
-
Removal of Telnet and FTP (keep the SSH/SCP)
I don't want the sensors to run Telnet and FTP, services because I want to force anyone to connect to them to use SSH/SCP.
I edited the /etc/initd.conf and put in comment lines that start these services. However, this may not be the 'best method' because after that I tried that all of a sudden the sensor stopped listening on port 22 and I couldn't connect with SSH (of course). When I Uncomment the lines telnet and ftp in the inetd.conf, SSH/SCP/port 22 is open again. Weird. What should I do to remove these services?
BTW: on an unrelated note, the/dev/iprb0 (command and control) interface is the card that is assigned an IP address and is used for the connection of the sensor. / Dev/spwr0 is the interface which doesn't listen for traffic in promiscious mode and does not have an IP address assigned, right?
Thank you
Erik
Run sysconfig-sensor, there should be an option in the secure communications box to disable telnet and ftp. Sysconfig-sensor will then take care to make the changes for you.
4220 and 4230 sensor devices, your statements are correct for the interfaces.
NOTE: 4210, 4235 and 4250 sensors have names of different interfaces.
Marco
-
I was not able to get the VDS to talk to the physical switch (Cisco 3750 running IOS 12.2 (53) SE). I tried many different configurations. Can what comments you make on how to get this working. Here are 3 different configurations I tried:
Installation: I have 3 servers vSphere4 attached through 2 connections each to a Cisco3750. I created a dvSwitch and added the VLAN (100) primary and selected secondary 101 of VLAN (isolated) and the secondary VLAN 102 (community). Communication on the PVLANS work in the ESX servers as they are supposed to, but I can not connect on these PVLANS Cisco switch.
The 3750 is in talks with the firewall on vlan 100, but will not speak for here ESX Servers configurations I tried and all have failed. What I am doing wrong?
Configuration 1: (affecting the switchports promiscuity and the use of the mapping of layer 2 to pvlans)
VLAN 100
private - vlan primary school
private - vlan association 101-102
!
VLAN 101
name PVLAN_Isolated
private - vlan isolated
!
VLAN 102
name PVLAN_Community
Community of private - vlan
!
interface FastEthernet1/0/1
Description ESX_VM_Trunk_Ports
switchport private - vlan mapping 100 101-102
switchport mode private - vlan promiscuity
spanning tree portfast
spanning tree enable bpduguard
!
interface FastEthernet1/0/2
Description ESX_VM_Trunk_Ports
switchport private - vlan mapping 100 101-102
switchport mode private - vlan promiscuity
spanning tree portfast
spanning tree enable bpduguard
!
interface FastEthernet1/0/3
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport private - vlan mapping 100 101-102
switchport mode private - vlan promiscuity
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/4
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport private - vlan mapping 100 101-102
switchport mode private - vlan promiscuity
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/5
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport private - vlan mapping 100 101-102
switchport mode private - vlan promiscuity
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/6
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport private - vlan mapping 100 101-102
switchport mode private - vlan promiscuity
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface Vlan100
Description «PVLAN» primary
74.X.X.X 255.255.252.0 IP address
no ip redirection
private - vlan mapping 101-102
Configuration 2: (definition trunk port to the VLAN as its primary VLAN native)
VLAN 100
private - vlan primary school
private - vlan association 101-102
!
VLAN 101
name PVLAN_Isolated
private - vlan isolated
!
VLAN 102
name PVLAN_Community
Community of private - vlan
!
!
!
interface FastEthernet1/0/1
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport trunk vlan 100 native
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast
spanning tree enable bpduguard
!
interface FastEthernet1/0/2
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport trunk vlan 100 native
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast
spanning tree enable bpduguard
!
interface FastEthernet1/0/3
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport trunk vlan 100 native
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/4
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport trunk vlan 100 native
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/5
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport trunk vlan 100 native
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/6
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport trunk vlan 100 native
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast trunk
spanning tree enable bpduguard
interface Vlan100
Description «PVLAN» primary
74.X.X.X 255.255.252.0 IP address
no ip redirection
private - vlan mapping 101-102
config #3 (affecting the trunk port vlan native 2 - another thing that the vlan primary - on the trunk ports on ESX servers)
VLAN 100
private - vlan primary school
private - vlan association 101-102
!
VLAN 101
name PVLAN_Isolated
private - vlan isolated
!
VLAN 102
name PVLAN_Community
Community of private - vlan
!
!
!
interface FastEthernet1/0/1
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport vlan trunk native 2
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast
spanning tree enable bpduguard
!
interface FastEthernet1/0/2
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport vlan trunk native 2
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast
spanning tree enable bpduguard
!
interface FastEthernet1/0/3
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport vlan trunk native 2
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/4
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport vlan trunk native 2
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/5
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport vlan trunk native 2
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast trunk
spanning tree enable bpduguard
!
interface FastEthernet1/0/6
Description ESX_VM_Trunk_Ports
switchport trunk encapsulation dot1q
switchport vlan trunk native 2
switchport trunk allowed vlan 101 102
switchport mode trunk
Speed 100
full duplex
spanning tree portfast trunk
spanning tree enable bpduguard
interface Vlan100
Description «PVLAN» primary
74.X.X.X 255.255.252.0 IP address
no ip redirection
private - vlan mapping 101-102
What I've found, is that Cisco 3750 s are PVLAN informed, but do not support promiscuous chutes for the ESX servers. Only the 4500, 4900 and 6500 s have the possibility of doing circuits PVLAN promiscuity due to their hardware ASICs.
-
I have a pretty basic or newly created three ESX environment 3.5 servers, switches from NetApp for storage and a battery (two) of Cisco 3750.
IM using for my data vmfs iSCSI store and will only run about 15-20 VM at best. This isn't a great environment but I want to plan for future growth and I won't get a second chance to get the stack of 3750 correct configuration.
I have 2 GB ethernet by the host to the storage and 4 GB of my NAS ethernet ports all converge on the stack of Cisco.
Can someone point me to a cisco config guide or the white paper which can guide me for the installation to take advantage of the cross battery etherchannel and balancing of load on the side of esx?
Suggestions?
Experiences?
Advice?
Much appreciated in advance.
Hello.
While it's not hardware Cisco, Scott Lowe has some excellent articles on this subject.
http://blog.scottlowe.org/2007/06/13/Cisco-link-aggregation-and-NetApp-vifs/
http://blog.scottlowe.org/2008/10/08/more-on-VMware-ESX-NIC-utilization/
Good luck!
-
Hello
I am trying to connect to an access point to distance within our network... is it possible to activate telnet or ssh access point by WCS or https. Please let me know
Knockaert
WCS, you could push a model AP. On the 'the AP settings' tab, you can enable ssh and telnet access and then apply it to the AP.
http://www.Cisco.com/en/us/partner/docs/wireless/WCS/6.0/Configuration/Guide/6_0temp.html#wp1064409
-
Hi all
I could really do with help with my Cisco 3750 X; Basically, I use the 3750 as a dedicated iSCSI switch which is connected to 3 Hyper-V servers via 1 GB (each server Hyper-V a 4x1Go connections) and it is also a hybrid storage device connected to the switch using 10 GB SFP +.
Interfaces 1 GB I see quite a few drops of output, but on 10 GB interfaces, I do not see drops of output. I really need to find what causes the output drops, and how I can solve this problem.
That's what I've configured on the switch:
- Extended on a MTU of 9000 frames
- Control flow receive desired is on all interfaces
- Quality of service has been disabled (see issues prior to allowing QoS)
- Spanning-Tree Portfast enabled on all interfaces
I also downloaded the release of some show commands that should help out if all goes well (let me know if there are other commands you want to start).
Thanks in advance for any help that anyone can give.
Disclaimer
The author of this announcement offers the information in this publication without compensation and with the understanding of the reader that there is no implicit or explicit adequacy or adaptation to any purpose. Information provided is for information purposes only and should not be interpreted as making the professional advice of any kind. Use information from this announcement is only at risk of the reader.
RESPONSIBILITY
Any author will be responsible for any damage that it (including, without limitation, damages for loss of use, data or profits) arising out of the use or inability to use the information in the view even if author has been advised of the possibility of such damages.
Poster
You probably are bumping within the buffer of the 3750 X series.
You could update your IOS to the liberation of SE8, doubt that will help you in this case.
The only thing that could mitigate your drops is active flow control, although this can cause latency.
PS:
Jumbo Ethernet deactivation may decrease drops too, if it slows down the effective data transfer rate.
-
enable the telnet and password
Or remove them. Hello. My goal is to one or two internal connections on each Cisco device and then allow Radius Authentication for telnet or SSH?
Is there a simple way to do this on a Cisco device?
Thank you
Dwane
Oh, I see what you mean, use local authentication failure RADIUS! You're almost right.
AAA authentication login LINE1 group local RADIUS
line vty 0 4 'or '.
line vty 0 15
authentication of connection LINE1
-
the need to increase the speed of the network on my vpshere 4.1 with cisco 3750
Hello
Must I increase now my network speed on my esxi vpshere 4.1 my switch cisco 3750. the rdp on the erp application is now affected with speed. What would be the best solution on this? each host on my vpshere have two NICs for the network of the vm and vmotion. each network adapter is 1 G and cisco 3750 is the bandwidth of 1 G.
Add multiple NICs for vmotion separated and the vm network? do all the network adapters in vm network stuck for a bandwidth of submission? or do I just have to prioritize the rdp session in my cisco switch? or all will help?
help please, thank you.
It is recommended to separate management, vmotion, storage and LAN VM traffic from each other (or in the case of 10 G, use QOS at the rate limit and separate each type of traffic...
On a standard server with 50 or so VM on it, double 1Gbit nic is much band bandwidth for traffic of vm... and actually on the blades, I saw 2x1GB nic handle all traffic very well...
RDP uses about 121kbits/s of traffic per session rdp (on average)... I highly doubt that the speed of ar causing you performance issues your card network interface, but you should easily be able to tell if you are having problems of saturation of the network with a simple PRTG, MRTG or solarwinds type of surveillance.
-
Newbie connection DELL 6248 pile to pile of CISCO 3750
Hi all
I need to extend the desktop LAN by connecting a battery of CISCO 3750 existing a new pile of DELL 6248.
I intend to use the fiber/combo harbour in DELL 6248 to connect to the CISCO uplink port.
I want to use DELL port 48 but I saw there was 1/g48 and 1/xg48. From memory, they are mutually exclusive.
Q1. That means I'll just set up 1/g48 and do not enter the config of 1/xg48 of the sentence?
Q2. To connect together the 2 batteries, devrais I defined just two ports to connect as a trunk port? I have no experience in doing so. FOR INFO. We already use VLAN in piles CISCO and so the new DELL batteries must know about it.
Any help will be very appreciated!
Combo ports have a combined input and output of the PHY chip. Only the optical port or RJ-45 port can be used individually, but not at the same time. Any cable is connected will first use the port PHY. If the Ethernet port is used, you will configure with 1/g48, if fiber port is used then set up uses 1 / x 48.
Yes, you are right, a network connection is what you want between the two battery. Commands on the switch PowerConnect looks like this.
Console > activate
Console # config
Console (config) # interface ethernet 1/g48
console switchport mode trunk #.
console # permit trunk switchport vlan add 2,3,4,5
On the PowerConnect 62xx switches, you must use general mode if you want to allow traffic from management on the switch on the PVID. If you use the Trunk mode, you will not have the default VLAN on these ports. The ports will only allow labeled traffic. So if the Trunk mode does not you, then switch to general mode.
As the pile of Cisco has already VLAN on it, we must ensure to the PowerConnect switch has those same VLAN. Here is an example of creating a VLAN on the PowerConnect switch.
Console > activate
Console # config
Console (config) # vlan database
VLAN console(config-VLAN) # 2
output console(config-VLAN) #.
Console (config) # interface vlan 2
Console # name Marketing
Console # end
Another thing you may perform is place a static route to help the traffic at the back of the battery.
IP route {network} {mask with joker} {Next Hop-IP}
Console # config
Console (config) # ip route 172.16.0.0 255.255.0.0 10.0.0.2
Console (config) # end
I hope this info helps,
Thank you.
-
CISCO 3750: OSPF interface IP unnumbered
Hi Expert,
This is the first time that I'm working on OSPF and IP Unnumbered interfaces.
My task is to adjacencies OSPF put forward two switches CISCO 3750 connected back-to-back by IP of interfaces not numbered. I use the loopback interface to borrow the IP addresses for the interfaces not numbered on both CISCO switches. After trying so many times, OSPF is not at all to come through Unnumbered interfaces but when tried with numbered interface was fine.
I'm pasting here complete running-config. Please help me to solve the problem:
Here is the brief info put in place:
R1(Gi1/0/19) - R (article gi1/0/19)
Swicth R1:
===========
Current configuration: 2129 bytes
!
version 12.2
no service button
horodateurs service debug datetime msec
Log service timestamps datetime msec
no password encryption service
!
Switch host name
!
boot-start-marker
boot-end-marker
!
!
No aaa new-model
1 supply ws-c3750g-24ts-1u switch
mtu 1500 routing system
IP subnet zero
IP routing
!
!
!
!
!
!
!
!
!
!
pvst spanning-tree mode
spanning tree extend id-system
!
internal allocation policy of VLAN ascendant
!
!
!
!
interface Loopback1
IP 10.10.10.10 address 255.255.255.0
!
GigabitEthernet1/0/1 interface
Shutdown
!
interface GigabitEthernet1/0/2
Shutdown
!
interface GigabitEthernet1/0/3
Shutdown
!
interface GigabitEthernet1/0/4
Shutdown
!
interface GigabitEthernet1/0/5
Shutdown
!
interface GigabitEthernet1/0/6
Shutdown
!
interface GigabitEthernet1/0/7
Shutdown
!
interface GigabitEthernet1/0/8
Shutdown
!
interface GigabitEthernet1/0/9
Shutdown
!
interface GigabitEthernet1/0/10
Shutdown
!
interface GigabitEthernet1/0/11
Shutdown
!
interface GigabitEthernet1/0/12
Shutdown
!
interface GigabitEthernet1/0/13
Shutdown
!
interface GigabitEthernet1/0/14
Shutdown
!
interface GigabitEthernet1/0/15
Shutdown
!
interface GigabitEthernet1/0/16
Shutdown
!
interface GigabitEthernet1/0/17
!
interface GigabitEthernet1/0/18
Shutdown
!
interface GigabitEthernet1/0/19
No switchport
IP unnumbered Loopback1
IP ospf network point
!
interface GigabitEthernet1/0/20
Shutdown
!
interface GigabitEthernet1/0/21
Shutdown
!
interface GigabitEthernet1/0/22
Shutdown
!
interface GigabitEthernet1/0/23
Shutdown
!
interface GigabitEthernet1/0/24
Shutdown
!
interface GigabitEthernet1/0/25
!
interface GigabitEthernet1/0/26
!
interface GigabitEthernet1/0/27
!
interface GigabitEthernet1/0/28
!
interface Vlan1
no ip address
Shutdown
!
router ospf 100
router ID - 100.100.100.100
Log-adjacency-changes
Network 10.10.10.0 0.0.0.255 area 0
!
IP classless
IP route 20.20.20.20 255.255.255.255 GigabitEthernet1/0/19
IP http server
IP http secure server
!
!
!
control plan
!
!
Line con 0
line vty 5 15
!
!
control the source session interface 1 item in gi1/0/19
control interface of destination session 1 item in gi1/0/17
end
===
The #show switch ip interface brief | include the
The #show switch ip interface brief | include the
GigabitEthernet1/0/17 no undefined upward down YES
GigabitEthernet1/0/19 10.10.10.10 YES manual up up
Loopback1 10.10.10.10 YES manual up up
==================================================
Switch R2:
==================
Switch #sho run
Switch #sho running-config
Building configuration...
Current configuration: 2079 bytes
!
version 12.2
no service button
horodateurs service debug datetime msec
Log service timestamps datetime msec
no password encryption service
!
Switch host name
!
boot-start-marker
boot-end-marker
!
!
!
!
No aaa new-model
switch 1 supply ws-c3750g-24 t
mtu 1500 routing system
allow authentication mac-move
IP subnet zero
IP routing
!
!
!
!
!
!
!
!
pvst spanning-tree mode
spanning tree etherchannel guard misconfig
spanning tree extend id-system
!
internal allocation policy of VLAN ascendant
!
!
!
!
interface Loopback1
IP 20.20.20.20 255.255.255.0
!
GigabitEthernet1/0/1 interface
Shutdown
!
interface GigabitEthernet1/0/2
Shutdown
!
interface GigabitEthernet1/0/3
Shutdown
!
interface GigabitEthernet1/0/4
Shutdown
!
interface GigabitEthernet1/0/5
Shutdown
!
interface GigabitEthernet1/0/6
Shutdown
!
interface GigabitEthernet1/0/7
Shutdown
!
interface GigabitEthernet1/0/8
Shutdown
!
interface GigabitEthernet1/0/9
Shutdown
!
interface GigabitEthernet1/0/10
Shutdown
!
interface GigabitEthernet1/0/11
Shutdown
!
interface GigabitEthernet1/0/12
Shutdown
!
interface GigabitEthernet1/0/13
Shutdown
!
interface GigabitEthernet1/0/14
Shutdown
!
interface GigabitEthernet1/0/15
Shutdown
!
interface GigabitEthernet1/0/16
Shutdown
!
interface GigabitEthernet1/0/17
!
interface GigabitEthernet1/0/18
Shutdown
!
interface GigabitEthernet1/0/19
No switchport
IP unnumbered Loopback1
IP ospf network point
!
interface GigabitEthernet1/0/20
Shutdown
!
interface GigabitEthernet1/0/21
Shutdown
!
interface GigabitEthernet1/0/22
Shutdown
!
interface GigabitEthernet1/0/23
Shutdown
!
interface GigabitEthernet1/0/24
Shutdown
!
interface Vlan1
no ip address
Shutdown
!
router ospf 100
router ID - 200.200.200.200
Log-adjacency-changes
network 20.20.20.0 0.0.0.255 area 0
!
IP classless
Route IP 10.10.10.10 255.255.255.255 GigabitEthernet1/0/19
IP http server
IP http secure server
!
!
activate the IP sla response alerts
!
!
!
Line con 0
line vty 5 15
!
!
control the source session interface 1 item in gi1/0/19
control interface of destination session 1 item in gi1/0/17
end
====================
The #sho switch ip interface brief | include the
GigabitEthernet1/0/17 no undefined upward down YES
20.20.20.20 GigabitEthernet1/0/19 YES manual up up
Loopback1 20.20.20.20 YES manual up up
====================================
Thank you very much in advance for your answer!
Kind regards
Aerts
Hi AEK.
the IP unnumbered command does not work on multiaccess-interfaces such as Ethernet (even when you set it up as a point-to-point OSPF):
Understand and configure the IP without order number
Cisco IOS IP Addressing Services Command Reference #ip unnumberd
HTH
Rolf
[EDIT]:
... apparently, with the exception of high range as the 6 k platforms:
Order history
(...)
12.2 (18) SXF: this command has been modified to support the physical Ethernet interfaces and switched virtual interfaces (LASS).
-
Cisco 3750 X - 24 Port stacked: support VRF?
Hello community,
We have 2 x switch WS-C3750X-24 t-S that are stacked through StackWise cables. We would like to activate VRF on it, but orders aren't there. We currently have a basic IP license (which I know is the reason). I tried to do some research and looking at the release notes, but the answer is not clear. I read that it is only available as a stand-alone and not stacked switch. Is - anyone out there know if this device is capable of making the VRF as a battery? If so, what are the requirements?
Thank you
Neocec
Hello
You can use this link to verify what image you want.
Ref: http://www.Cisco.com/go/fn
1 select 'Search by feature' and "Multi-VRF VRF Lite support"
2. Select "" Cisco 3750 x".
Finally, you will see that taken IOS support this feature. Then go to the download page (if you have the right to download.)
HTH,
Toshi
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