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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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 ...
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1answer
56 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 ...
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2answers
304 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
51 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 ...
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1answer
99 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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1answer
108 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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5answers
11k views

Cisco ASA - manually start a VPN tunnel

Using a cisco ASA is it possible manually bring up a lan to lan VPN tunnel & SA from the device, rather than having one of the systems that is part of the VPN initiate traffic to start the VPN? ...
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2answers
361 views

Cisco IOS: Prevent Inter-VLAN IPv6 Network Solicitation messages

I have a Cisco 3825 router that (among other things) functions as a gateway to the internet. I have two VLANS, but only one of them should have access to the internet. VLAN10: network = ...
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4answers
476 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 ...
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1answer
158 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 ...
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0answers
26 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 ...
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1answer
80 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: ...
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1answer
78 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:// ...
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1answer
42 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 ...
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1answer
71 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 ...
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1answer
183 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 ...
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0answers
41 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 ...
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2answers
144 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 ...
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1answer
593 views

Cisco 887VA Port Forwarding Not Working

I have a Cisco 887VA connected to our BT Business Broadband line. We also have another modem on a seperate connection which also handles our DHCP. The Cisco is plugged into our network switch, as is ...
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1answer
73 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 ...
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1answer
110 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, ...
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5answers
2k views

Free monitoring software for Cisco routers? [closed]

I'm looking for something i can install on my machine and get the logs from a couple Cisco routers. Whats out there that can connect to my routers and pull logs for quick access without having to go ...
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1answer
15 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 ...
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2answers
252 views

Can I use a software router to filter traffic coming from a Cisco router?

I have the following topology working but i would like to be able to filter the traffic using a software router such as Zentyal. Current [INTERNET] === [Cisco 2600] ===[Cisco Switch] === [Machines] ...
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2answers
167 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 ...
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0answers
38 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.
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0answers
153 views

Cisco UCS C22 M3 Rack-mount BIOS Recovery

So my Cisco UCS Server's BIOS is corrupt and needs reflashed. When it boots it simply gives me the recovery instructions such as put the recovery.cap file in the root directory of a USB drive then ...
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1answer
226 views

Cisco ASA vague error

I'm getting a very vague error from my cisco ASA that connects our VPN to a branch office running a cisco router. I was hoping some one could give me some incite into how I could possibly pull more ...
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2answers
366 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 ...
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1answer
86 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 ...
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2answers
209 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 ...
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1answer
40 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 ...
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1answer
73 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., ...
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2answers
6k views

iPad connections to Cisco VPN error — “Enter your user authentication”

Is anyone else having problems with the iPad IPSec (Cisco) VPN configuration? I've configured a Cisco VPN connection to a PIX 501 firewall on a 32GB Wifi Apple iPad. This is done in Settings -> ...
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1answer
479 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 ...
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1answer
142 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: ...
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1answer
74 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.
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155 views

VLAN setup Cisco SG300 and SIP gateway

Hopefully someone can shed some light here. I'm quite new to networking and not too sure if I'm doing the right thing here. We are setting up a new VOIP phone system with SIP gateway for our company. ...
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3answers
3k views

How to block external access to the DNS service running on a Cisco router?

I have a Cisco (877) router acting as the main gateway for a network; it has a DSL connection and performs NAT from the internal network to its external, public IP address. The router allows SSH ...
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votes
1answer
46 views

How do I allow data to span from port to port on a Cisco ASA [closed]

I'm running a Cisco ASA5520. I could have sworn I had this set up when I installed the system and checked the right boxes in the "Wizard" in Cisco's ASDM, but data only goes from port to port if it ...
2
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0answers
266 views

Cisco SG300 switch does not send RADIUS messages to server for 802.1x

I want to eventually configure the SG300 to authenticate wired clients with 802.1x and Microsoft NPS (RADIUS). I am currently testing this setup using a single port (Port 7) on my SG300, a test ...
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0answers
51 views

Cisco 7921G IP Phone not working

Got my hands on a second hand 7921G wireless IP phone. It should be configurable via USB; but need drivers to do that ...
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0answers
47 views

SRP521W Intervlan routing and NAT

I've a Cisco SRP521W router which I've set up with two VLANs called normal_Lan and SWSVLAN. I don't want devices on each VLAN to communicate with each other so I've turned INTERVLAN Routing OFF. ...
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0answers
157 views

Cisco 2901 Inbound NAT with local IP overload

Overview We are replacing a Juniper SSG on one of our networks with a Cisco 2901. Everything has so far been quite smooth except some issues have come up with external ports needing to be opened. ...
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0answers
329 views

Cisco SG300 Switch VLAN issue

We've got Cisco SG300 switch (in L2 mode) which we use to extend our network. It's ge10 port is connected to main switch (upper level, connected to different PC and Servers with no issues) and has ...
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1answer
312 views

high cpu usage on 2811 router

there is high cpu usage and high intterupt rate on 2811 router while there is low rate traffic about 10 Mbit. How can i fix this problem. output of sh processes cpu sorted 5sec | exc 0.00 command that ...
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1answer
121 views

can't ping the GW when configure linux with two vlans?

my scenario: vlan1 <--------> [interface0/1] L3 Switch [interface0/2]<-----------> vlan2 by follow this tutorial: vlan1 have one linux machine: I Configure Linux to have 2 Virtual ...
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9answers
45k views

No Internet access while being connected to VPN using Cisco VPN Client 5

I have an access to corporate VPN using Cisco VPN Client 5.0.00:0340, but when I'm connected to it, I don't have an Internet access. I'm using Windows XP SP3. As it was suggested here ...
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0answers
65 views

How To Stop Cisco ASA Spoof Attack

I have thousands of "Deny TCP reverse path check from 10.60.60.X to 10.60.6X.X on interface outside" The IP addresses for the source and destination hosts are all over the board, and the interface is ...
3
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2answers
2k views

How do I find out which physical port my ethersvi MAC address corresponds to on a Cisco switch?

I'm doing a layer2 network map (my first) and this is the first virtual mac I've encountered. From the mac address table of switch1, I have VLAN 1 6416.8d98.52c0 DYNAMIC Te0/1 and on the ...