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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521 views

Cisco IP Phone TFTP Error/Timeout

I'm trying to get Cisco 7942G IP phone working on FreeBPX setup. It has issues with getting things over tftp. I tried hard reset thing and I'm getting this in tftpd log: [root@localhost ~]# tail -f ...
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0answers
98 views

Number forwarding Cisco CallManager Express

I would like to set up number forwarding on Cisco CallManager so that when, for example, "888" is dialled, the call is forwarded to "00912345678". In my scheme the leading zero is for an external ...
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2answers
137 views

DHCP server does not work with 2 router [closed]

i have problem on packet tracer when i try to setup DHCP server with 2 different network and 2 router.. my setup is Two 2811 router, Two 2960 switch , One DHCP server and 4 PCs. in Router 1 I have ...
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0answers
307 views

cisco vpnc + how to disable the IPSec ID and IPSec secret

I use the vpnc in order to open vpn connection against the customer in the following example I run the vpnc and get error about "hybrid" so according to some site they suggest to remark the line ...
3
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2answers
2k views

Retrieve Information from Cisco router in Parsable Manner

I'm trying to write a script that will pull configuration files over SSH from Cisco routers and parse them, so I can ensure that they meet predefined standards (e.g. password shouldn't be "cisco"). ...
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1answer
375 views

Cisco AP vlan setup

I have been racking my brain since last night and all morning with this problem...luckily it's not in a production environment yet. I have done many searches and have come up with the same responses ...
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votes
1answer
600 views

Network load balancing: LACP between Debian & FreeNAS over Cisco Switch doesn't work

My setup: 2 Debian Server, with Bonding 2 Storage Server FreeNAS with Link Aggregation 1 Cisco Switch SG-200 with LAG enabled MTU 9000 enabled everywhere Result: Network performance is still single ...
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0answers
212 views

Transparent Squid Proxy – issue opening a page in Internet Explorer

I set up Cisco Wccp + Squid on Suse Linux Enterprise 11 SP3. Firefox opens our intranet portal pages with no problems. I can see requests to squid. I see cache hits and access in squid log. I see ...
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2answers
690 views

What does 'Si' mean with respect to network switches?

I am seeing references to Multilayer Switches with Si as in the network symbol below. What does the 'with Si' qualifier mean?
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0answers
676 views

Incoming Connections with Two ISPs and Cisco 2911

I am a relatively beginner Networking Guy and I have managed to set up a Cisco 2911 router with two ISPs (no BGP), NAT and route-maps (although I don't really understand them) to the two up links with ...
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1answer
288 views

Cisco Router not displaying DHCP client hostnames

I've got a branch office configured to issue IP address from a Cisco Router (IOS 15.0). The router is successfully issuing DHCP addresses just fine. My questions is that when I issue the command "sh ...
2
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1answer
333 views

Cisco 7604 router runs out of memory when loading the IOS image, yet runs a different image with similar reqs

I am experiencing an unusual memory issue with a Cisco 7604 router, specifically the memory on the Supervisor Engine (SUP32-GE-3B) and how it pertains to IOS requirements. I was preparing the router ...
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1answer
95 views

can anyone show me how can i fix error with my NAT config

Can anyone help me with my packet tracer problem? My network 2 buildings (each building has 3 vlans) on the same side and it has 2 sides, between is internet. I finish with DHCP and now I try to ...
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0answers
134 views

my cisco 877 has problems to adsl syncing?

I have a cisco 877 modem/router but I have some problems to configure it for my adsl. When I plug in the rj11 cable, the "CD" led begins to blink but it does not stop to blink, imho means it has ...
3
votes
1answer
593 views

How to install and run Puppet Device in order to configure Cisco Switches and Routers?

According to this documentation it should be possible to configure a Cisco Switch by using the Puppet Module Device. Where could this module be found? Is this module restricted to Puppet ...
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2answers
233 views

Point of Shared Secrets on RADIUS Servers over a Cisco Switch

I was wondering what the point of Shared Secrets are on RADIUS servers if I set the secret in the Cisco switch configuration. If the supplicant wanting to be authenticated does not have to know it, ...
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1answer
3k views

How to configure a Cisco Catalyst 2960 to synchronize with an NTP server

I would like to synchronize a Cisco Catalyst 2960 series switch with a publicly available NTP server such as time.apple.com. I have reviewed the knowledge base article here: Catalyst 2960 ...
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1answer
2k views

Cisco ASA: port forwarding to different IP depending on client IP/subnet outside

I have Cisco ASA 8.2(5) and would like to configure port forwarding. Cisco ASA has 2 interfaces: outside with IP 192.168.57.2 inside with IP 192.168.1.1 I have two subnets reachable through ...
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6answers
1k views

I have a Cisco Catalyst 2940 and want to connect to it via the network. How to find its IP address?

Since my computer has not serial port, the serial cable is of no help. Does the Catalyst 2940 acquire an address via DHCP? At least my DHCP server doesn't show any address which has been requested ...
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1answer
202 views

Version of IOS for Cisco 2900 series? [closed]

Can someone please provide the current version of IOS for the Cisco 2900 series router? I'm having trouble figuring this out based on Cisco's documentation. Thanks.
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0answers
228 views

Untangle running on ESXi sending tagged VLAN to Cisco switch not working

basically here is my setup: [Host A] = A hypervisor running ESXi 5.0 [Switch A] = A Cisco 2960-S Series 48 port switch [Switch B] = A Cisco 2960-S Series 48 port switch [P-Router] = *A physical ...
3
votes
2answers
143 views

Possible to use a console cable from a Cisco ASA and use it interactively with ESXi?

I'm creating procedures to deploy a Cisco ASA and an ESXi machine to remote locations where no local tech contacts are available. I think it may be a wise idea to connect the console cable from the ...
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1answer
89 views

PoE from 2960 without Layer 1 Connection

I'm attempting to use a Cisco 2960-X (LPS-L) to provide power for a some Nexus 7 tablets (via a TP-LINK PoE Splitter). The issue is that without some actual device connected to the LAN port of the ...
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0answers
296 views

Cisco ASA 5505: PAT / NAT between 2 IPSec Tunnels

I've the following Setup: Customer <-> HQ <-> Branchoffice The Customer has a 192.168.1.0/24 subnet. On the HQ only the VPN Gateway is in my context, 172.20.10.1 . And on the Branchoffice ...
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2answers
94 views

Can a cisco router execute a command itself?

I'm experiencing a problem with my Cisco router 1900 Series, the router sometimes stop routing packets, and when i log into it and show the running-config i see no ip routing executing ip routing ...
4
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1answer
163 views

Does Cisco IOS support the use of variables in its configuration?

I'm configuring a Cisco IOS (version 15) router, and I need to use the same values in multiple places; in this case, I need to configure the router's name servers (ip name-server <address>) and ...
1
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1answer
188 views

Network latency caused by incorrect cable?

Our team recently setup a new network and now we are experiencing network latency issues. the flow of traffic is as such: modem -> router -> packet shaper -> cisco3750 switch from router to packet ...
0
votes
1answer
104 views

RADIUS authentication requests not relayed to RADIUS server

I am trying to set up a RADIUS server for 802.1x NAC over a Cisco IE 3000 Network Switch, using freeRadius to implement it. I know the switch knows where the RADIUS server is because I set up the ...
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votes
1answer
5k views

Port Forwarding on Cisco Router

I'm a Cisco newbie, have the 1841, with two ethernet interfaces: interface FastEthernet0/0: Internal Desired destination IP: 186.67.181.140 interface FastEthernet0/1: External World IP ...
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1answer
124 views

Cisco IOS Show | Filter | redirect

I am new to Cisco IOS and I have one question that I have come across. Please reference this thread. Reference The answer to that thread states that in Cisco IOS you can run a command, filter it down ...
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3answers
6k views

Script SSH to router and “enable” and run commands

I have a script that will ssh to a list of routers and run commands from commands.txt. I want to enable after I connect to the router through ssh before I execute the rest of my commands in ...
0
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1answer
643 views

Configuring a RADIUS server for 802.1x over a Cisco Switch

I am trying to set up RADIUS authentication over a Cisco switch and I have gone through every tutorial they have. I am able to get the RADIUS server to authenticate when I access the CLI of the Cisco ...
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0answers
415 views

Why is Router IP Address Repeated in Trace Command?

I have a network that is a branch of our central office. The central office is located in another city and I connect to the central office with a Cisco router using a leased line E1 cable(using ...
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2answers
96 views

Cisco router or Sonicwall hindering our phone systems to acquire DHCP [closed]

We have been battling with our IT Company, who installed the Sonicwall, and our phone carrier, who installed the Cisco router, for 14 days. One of the two is blocking our phones from receiving DHCP. ...
2
votes
1answer
769 views

Cisco ASA 5510 Out-of-Order Packets to Google

We're seeing a large number of packets being dropped due to being Out-of-Order. The numbers are large enough that it may be having an impact on network performance. We've isolated it down to a few ...
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1answer
44 views

Select-object in CISCO IOS

I am very new to CISCO IOS and have little to none experience. I was wondering if there is a way to run a command like show ip interface brief and then select exactly what you want and then redirect ...
0
votes
1answer
249 views

Configuring Cisco 3800 ISR Router with two default gateways for different subnets

I am trying to configure two physical interfaces on a Cisco router to act as two separate gateways for two different subnets: gigabitEthernet0/0 > gw 10.10.10.10 255.255.0.0 for network 10.10.0.0 ...
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votes
2answers
1k views

VLAN Tagging Traffic on Cisco Switch

I have a situation where I'm setting up multiple VLANS on a pfSense firewall on the same physical interface for a client. So in pfSense, I now have VLAN 100 (employees) and VLAN 200 (students - ...
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1answer
561 views

CISCO WS-C4948-10GE SFP+?

I have a pair of CISCO WS-C4948-10GE's that we need to connect to a new switch that has SFP+ and QSFP ports. Is there an X2 module that supports this? If so, can someone name the part number that will ...
0
votes
1answer
703 views

Turn Linux into Router (Cisco-like) [closed]

how you doing? I have two Sophos UTM 220 Appliance for study. They have 8 Gigabit Ethernet ports and the hardware is like a common PC (Intel Motherboard, Processor and DDR2 Memory). I would like to ...
0
votes
2answers
2k views

MTU between Juniper and Cisco, cause of packet loss?

This office has a network consisting of Cisco Catalyst and Juniper EX L3 switch. Cisco Router and Juniper L3 switch share a OSPF area in between them. Hosts on Juniper side are running FTP servers ...
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1answer
188 views

VRF Internet Gateway Multiple External IP's 1 Internal IP to AWS

Trying to setup VRF for the first time and its not working for me even though I keep reading everything online. IP's are different to real life. I have an Internet connection which I can ping to my ...
0
votes
1answer
1k views

Voice VLAN Configuration on Cisco SG300

We currently have a single Cisco SG300 switch on our data network. We are introducing a hosted VoIP system. As such we will be installing a second Cisco SG300 (to account for growth and new phones) ...
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0answers
68 views

Cisco UC Integration for Lync does not switch back Lync status after a call

We use Cisco UC Integration for Microsoft Lync with Office 2013. The integration does not seem to be as good as with Office 2010 (we have a separate icon for the running program, not the expected ...
1
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1answer
194 views

Switch to switch encryption over a wireless bridge (TrustSec?)

I am planning to connect an existing Cisco 3750 switch to a 3560C switch over a wireless PTP bridge. The bridge will be WPA2 protected, but I am looking for an additional measure of security between ...
1
vote
1answer
1k views

configure HTTPS server on a cisco router

For the past week I was trying to configure an HTTPS server on a cisco 2900 router, I've used the following commands and assigned a username and password to privilege 15 however, when Im trying to ...
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1answer
410 views

Text on Cisco ASA console is garbled/missing letters

I've actually looked up a number of solutions for this problem and none of them work. There's this Cisco ASA 5505 that I'd like to use, that outputs mildly garbled text with missing characters. I did ...
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vote
2answers
115 views

Cisco IOS - Stuck in Read Only Mode

I can't figure out what happened but I can not enable privileged mode in my Cisco 3750. At first, I tried: enable to enter EXEC mode. My password would not work and it kicked me out after 3 ...
3
votes
2answers
869 views

How to push configurations to multiple Cisco Switches

Assume I have around 50 Cisco IE2000 Switches connected together and I want to reconfigure some settings, the same settings for every switch. Normally I would open a command line session via Putty ...
10
votes
3answers
3k views

Native VLAN mismatch and missing VLAN?

I'm trying to wrap my head around what exactly is going on here with a new site's configuration of their networking stack. This particular piece I am working is pretty simple but I having a hard time ...