Tagged Questions

Cisco is a major provider of switches and routers to most medium and large companies. Cisco devices often run IOS or NX-OS. This is a generic tag to be used when no more specific tags are available. See the partial list of tags in the full Tag Wiki.

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1answer
23 views

Cisco static NAT not working on LAN side

I have a web server in my private network that has the ip address 192.168.1.134. I need to allow users to access this web server from both the internet and the private network. The public ip address ...
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0answers
18 views

Force Cisco ASA to change source port NAT

I have a 2 devices, a Cisco ASA and sitting behind it another device. Both the Cisco and the other device have IPsec tunnels but to different locations. I need to ensure that the source port of the ...
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0answers
25 views

Cisco IOS 15.1 Multiple Inside Addresses Corresponding to Outside IPs (Client Switchable Inet IPs)

I have a Cisco 867VAE running IOS 15.1 which I am trying to configure. My network style is simple: I have one subnet, 10.0.0.255. I have mostly user operated computers DHCP'd and Wi-Fi for the mobile ...
1
vote
1answer
27 views

cisco ASA 5505 l2tp vpn

I have a problem with cisco asa 5505 vpn configuration. I set l2tp for windows clients. I can connect to vpn but: when i have "use default gateway on remote network" on NIC enabled i have access to ...
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0answers
3 views

shrew soft vpn client routing to another network

I have configured Shrew soft VPN Client on Kubuntu 12.04.3 and is connecting to CISCO RV042. The CISCO router is connected to LAN 10.66.11.0/255.255.255.0 and also connects to another CISCO router at ...
2
votes
1answer
35 views

DNS grey listing and long retry intervals - standard practices?

My company's ISP has implemented what I'll term DNS "grey listing" (or they have a configuration problem) - they are blocking inbound DNS queries between [resolver IP, server IP] pairs that haven't ...
1
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1answer
13 views

Cisco Aironet AP1260 can't reach FreeRADIUS server

I have a problem with a Cisco Aironet AP1260 standalone access point and a FreeRADIUS server. I'm trying to set up a 802.11x access point with authentication on a FreeRADIUS server. I have set up both ...
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0answers
13 views

Cisco RV325 looses connection when in “router Mode”

I have a new Cisco router (Model RV325) I want to set it to "router mode", but each time that I do that computers connected through it loose internet connection. They don't loose connection to the ...
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2answers
27 views

Cisco session time issue

I have a network with 3 cisco catalyst 3500. When I move my computer from one of cisco ethernet ports to another ethernet port of the same cisco or from one cisco switch to another cisco ...
1
vote
1answer
38 views

Cisco Catalyst 3750 disable Factory default reset with Button press

The Catalyst 3750 Series switch has a front panel button which erases the config and reboots the switch if pressed more than 10 seconds. In a dense Rack it happened more than once to me that cables ...
3
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2answers
47 views

Static public IP issue on Cisco ASA 5512x

This is our scenario: We have an Cisco ASA 5512x and we have 2 different Internet connections from different ISPs connected with it. ISP A is being used for the users browsing traffic(normal ...
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0answers
34 views

Cisco 877 configuration with multiple firewalls behind in parallel using public IP's

I would like to ask how I can configure my cisco 877 adsl router to have multiple firewalls installed in parallel behind the cisco 877 router. I have enclosed a diagram of what I am trying to achieve. ...
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0answers
32 views

Cisco Router Failover Configuration

I am a unix admin that has been stuck in the position of configuring a Cisco 1921 for one of our offices. In that particular site we have two connections, an AT&T eVPN and a Sprint MPLS. The MPLS ...
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0answers
29 views

Cisco tacacs+ commands accounting

I've installed a tac_plus server to log commands executed on my Cisco catalyst 2960-s switch, with the following config key = "tackey" user = root { default service = permit member = admingroup login ...
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0answers
21 views

Openswan and Cisco ASA

i have post this same question on "Unix & Linux" but iv got no answer and will delete from there but ill try here too. I need this as soon as possible to solve it or at least to find out what is ...
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0answers
34 views

Switch troubles - Cisco Catalyst 2950T 24

At my new workplace, thanks to the old system administrator, we have an unused Cisco Catalyst 2950T 24 (two gigabit ports, 24 100Mbit ports). It was used in a quite weird setup (the place has two ...
2
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1answer
38 views

Simplex, half-duplex, full-duplex (ccent1)

If simplex, half and full duplex are OSI layer 5 (session layer) modes, why are they configurable on a l2 switch?
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2answers
52 views

How can I connect to a Cisco ASA5540 from Windows Server 2012 over IPSEC?

Given a windows server 2012 client (which I have under full administrator control), and an external Cisco ASA5540 router (which I don't), I'd like to connect to the router to access their internal ...
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0answers
10 views

showing ppp per subinterface

I've cisco ASR1004 (RP2) Running on : Cisco IOS Software, IOS-XE Software (X86_64_LINUX_IOSD-ADVENTERPRISEK9-M), Version 15.2(4)S6, RELEASE SOFTWARE (fc4) Making this as a PPPoE Server on 4096 ...
0
votes
1answer
45 views

Cisco IOS: Logging only debug messages on command-line

I want to have a quiet command-line such as (config)# no logging console causes. Still, I want to make use of # debug commands. It appears to me that # debug depends on syslog level 7. So I cannot ...
3
votes
1answer
28 views

Logging commands on cisco devices

I'm searching for a way to log every command executed on a cisco switch/router, I have a catalyst 2960s with lanbase image, and a catalyst 4500e with ipbase image. I've found a way to log commands ...
7
votes
2answers
121 views

Getting Cisco UCS Server's CPU Serial Numbers

I have a Cisco UCS C240 M3S server with dual CPU failure under warranty. I am trying to find both CPU serial numbers to complete the RMA request, however cannot find any serial numbers. I have tried ...
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0answers
12 views

Route AAA LDAP traffic from ASA through IPSEC-tunnel to Windows DCs

We have one Cisco ASA 5505 in our HQ responsible for connect our remote office with a IPSEC-tunnel and one ASA 5505 at the remote office. The Cisco ASA 5505 in our HQ is also responsible for VPN users ...
0
votes
1answer
59 views

2x uplinks in HSRP - how to setup switch?

Our ISP provides us with 2x 10G uplinks, and they use HSRP on their end. We see incoming traffic (load balanced) on both ports, but outgoing from us is only via one port. We only run L2 on our side ...
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1answer
42 views

Multihomed Cisco VPN server

I am trying to configure Cisco 1841 with two external IPs to accept VPN connections on either external interface and maintain data flow through the interface on which VPN connection did happen. My ...
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4answers
124 views

Cisco IOS: Show incoming Telnet sessions

According to show ? the show sessions command is supposed to show Information about Telnet connections. Although I'm connected, the sessions does not show up. Both devices run Cisco IOS. How can I ...
5
votes
1answer
72 views

Do Juniper switches support vtp?

We have a mostly Cisco network, though for our access layer we usually deploy Juniper Virtual Chassis switches. To replicate this, we are interested in deploying a few juniper switches in our product ...
0
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0answers
12 views

What is the Cisco 7200 VXR Netflow Default Sample Rate?

I am trying to collect netflow data from a Cisco 7200 VXR router. I need to specify the sample rate, but I cannot seem to get the information from the cisco router and I do not know what the default ...
0
votes
1answer
38 views

How can I prevent myself from being automatically logged out of a cisco nexus switch because of inactivity

Is there a way where I can prevent myself from being logged out of a cisco nexus switch/router (or any other cisco device) after a period of inactivity? I get this message after being kicked off: ...
0
votes
1answer
31 views

Access files on remote computer via VPN

Environment: We have Office Mac Pro. I have Mac Mini at my home. I can connect to Office VPN. Question, How can I access file in Shared folder from Mac Pro from home? I have tried smb:// and afp:// ...
0
votes
1answer
30 views

Input traffic spikes on outside interface at same time every day

For the last two days I've had this issue where our internet connection SLOWS to a crawl and is almost unusable. I logged into our Cisco ASA 5500 (not very well versed with it) but I was able to see ...
2
votes
2answers
503 views

Cisco RV110W: Use LAN port as WAN? [closed]

I have Cisco RV110W Wireless router. WAN port was burned after a storm. Can I use one of LAN ports as WAN? Looking under "Switch Settings" I can't find solution. In the Cisco documentation, I could ...
3
votes
1answer
63 views

Cisco CVE-2014-0224 Vulnerability

We have a Cisco RV-042 Small Business router and our PCI scans flagged it as being vulnerable to CVE-2014-0224 (CCS Injection/Man-in-the-Middle). It appears to be another OpenSSL vulnerability. We ...
0
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0answers
27 views

How to build a Layer 2 VPN across an uncontrolled network using cisco router?

We have two cisco 871 routers, one is in the datacenter with a fixed ip address, the other is at our office with a changing ip address(dsl with pppoe). How to build a L2 VPN for this scenario? I ...
0
votes
2answers
50 views

Cisco 887VA - Cannot open port 110

I am trying to configure a Cisco 887VA at work to open port 110, but no matter what I try, it doesn't seem to work. The router is accessed from within the building via a web UI but require CLI ...
0
votes
1answer
41 views

How to type a £ symbol over console with Cisco IOS?

I've noticed that I'm unable to type a UK-pound symbol (£) over the serial console using Cisco IOS 12.2. The symbol instead is interpreted as a hash (#). If I open the Windows character map and ...
0
votes
1answer
40 views

Cisco PIX Firewall Version 6.3(5)

I am unable to ssh to any servers. I've exhausted every possible thing except the corporate firewall. Its an old cisco pix firewall. [model] Cisco PIX 501 I'm trying to figure out 1) how to ...
0
votes
1answer
90 views

Is this a botnet? [closed]

I manage networking equipment at a small ISP for 60 highrise buildings. Each building has anywhere from 1 to 60 24 port switches, or some DSLAMs, or some coax gateways, with p2p radios on the roof, ...
0
votes
1answer
14 views

Connection to MGMNT iterface on Cisco DSC 9124-K9 lost

From some reasons i've lost connection to mgmnt interface in DSC9124-K9 - I cannot ping, cannot see MAC in arp. Fabric interfaces are working well, without problems so I do not want to reset whole ...
1
vote
2answers
68 views

Syslog does not record logs received over TCP to a file

I am trying to setup a centralized rsyslog server on CentOS 6.5 for Cisco routers and switches. On the Cisco devices, I've set the correct date/time and enabled timestamps, logging to the server over ...
0
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0answers
19 views

In what Cisco IOS versions is the “Show LLDP Neighbors” command available?

Could anyone help me with this? Or a place to find command and availability in versions or devices? I'm really new to networking. Thanks in advance.
0
votes
2answers
74 views

Cisco internal VLAN setup with access to public network

I have a Cisco 4948 switch that I'm dividing in half (half public, half private VLAN for NAS access). On the public side, Gi1/0 is the up-stream connection to the router, and G1/0-23 are configured ...
0
votes
1answer
61 views

What will happen if the fiber optic power budget exceed?

I know that before you use the fiber optic cable you should calculate the power budget and make sure that the total power should be below the Transceiver power budget margin to be sure that the system ...
0
votes
1answer
33 views

Wireless Router Username and Password Access

Does anyone know of a Wireless N Router that would allow me to setup Usernames and Passwords instead of an SSID and Password? The problem I am having is when my company lets an employee go I have to ...
1
vote
1answer
54 views

CISCO Catalyst switch API

I have a Cisco catalyst switch and there is a task to code some web gate which will allow billing to control ports in switch, gather different statistics, etc. What is the modern way to achieve that? ...
0
votes
2answers
77 views

How can I use SSH to run Cisco IOS commands in Global config mode?

I know about Kron, but there is supposedly no way to run global config commands: http://www.techrepublic.com/article/schedule-commands-with-cisco-ios-kron/ If I connect using Putty, Putty is able to ...
0
votes
1answer
26 views

snmpv3 EngineID for Traps in net-snmp

I'm trying to collect simple logs from Cisco devices using netsnmp with SNMP v3. I can get the messages to appear in my snmptrapd, but I have to manually add the EngineID to for them to talk. E.g., ...
1
vote
1answer
97 views

Cisco 2901 - IPSec VPN Maxing CPU

We have a Cisco 2901 on the edge of a 100Mbps/100Mbps WAN link which is providing an endpoint for an IPSec VPN to a Juniper SSG 550M. The problem is that we are seeing a max of 'only' 40Mbps over the ...
0
votes
1answer
61 views

Virtualized Linux firewall as router on the stick for cisco switch

I have got: Linux(virtual maschine on esxi) <---trunk---> cisco Switch. On virtual maschine vSwitch setup: VLAN ID 4095 Enables trunking on port group (VGT Mode) LINUX interfaces file: ...
0
votes
1answer
41 views

openconnect on startup at debian wheezy through ssh [closed]

I am trying to connect to Cisco vpn using open connect. I can do it with the terminal where it asks for my user and pass. However, is there any method for automating this on login.