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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3
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2answers
196 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?
0
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0answers
54 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 ...
-1
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0answers
16 views

Is there some opensource IPsec server compatible with cisco vpn client? [on hold]

I need some opensource IPsec server compatible with cisco vpn client to simulate network issue. I tried OpenSwan and SoftEther, but they are not compatible. Are there some other? Or maybe I should try ...
-1
votes
1answer
21 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
votes
1answer
33 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 ...
-1
votes
1answer
55 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 ...
0
votes
0answers
20 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 ...
2
votes
1answer
54 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 ...
1
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2answers
30 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, ...
0
votes
1answer
48 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 ...
-3
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0answers
13 views

CISCO SWITCH AND TELNET — 2 [on hold]

I need to configure my cisco881 as below after i write "ip address 192.165.1.1 255.255.0.0" the telnet session is disconnected i have ping to 192.165.1.1 but can't access via telnet what should i do ...
0
votes
1answer
30 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 ...
-1
votes
0answers
36 views

Watchguard to Cisco VPN

I am trying to setup a site to site VPN. I can see the tunnel is up but i'm unable to ping across the VPN. The other end is a watchguard. Current configuration : 8098 bytes ! ! Last configuration ...
-1
votes
0answers
12 views

Cisco E2500 Wireless Router - Guest network always open

I can't for the life of me figure out why the guest network stays open. I have a password configured, and the main network is secure. I can enable/disable the guest network, and access is ...
0
votes
1answer
31 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.
0
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0answers
17 views

Cisco ASR 1001 RTU licencing - not applying correctly?

We're in the middle of deploying a Cisco ASR 1001 for use with a GRE/IPSec VPN tunnel. Whilst we've got the device we're waiting on e-delivery of the licences however looking at: ...
0
votes
0answers
28 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
36 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 ...
0
votes
1answer
27 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 ...
0
votes
0answers
12 views

Cisco ASA Access anyconnect from inside IPsec tunnel

I have a Cisco ASA on a dynamic WAN IP with a IPsec site-to-site tunnel to a remote linux host in a datacenter with a static WAN IP. All non local traffic is tunneled and the datacenter end is the ...
0
votes
0answers
26 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 ...
1
vote
2answers
12 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
votes
1answer
66 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 ...
0
votes
1answer
85 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
23 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 ...
0
votes
1answer
52 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 ...
0
votes
1answer
21 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 ...
0
votes
2answers
72 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
votes
0answers
25 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 ...
2
votes
0answers
54 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 ...
0
votes
2answers
46 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
55 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 ...
1
vote
1answer
25 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 ...
-1
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0answers
19 views

Configuring an EH-WIC Card on Cisco 1941 Router

I have a Cisco 1941 Router that has just two ports for Gigabit connection but wanted more so I got a four port Cisco EH-WIC Card and connected it to it. I have been trying to assign IP address to the ...
1
vote
1answer
57 views

Config Cisco 2960-X 3 stack switches [closed]

I'm am in the process of setting up 3 x Cisco 2960-X switches in a stack. I've configured Cisco switches before, but this is the first time I will be configuring them as a stack. Will I only have to ...
0
votes
1answer
43 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 ...
0
votes
0answers
40 views

Configuring a RADIUS server 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 ...
0
votes
0answers
42 views

Cisco WAP321 Access Point Locking Up Daily

We have a Cisco WAP321 Small Business Access Point (WAP321-A-K9 V01 Non Clustered) that has about 15-20 users (Phones and Tablets). The device has been randomly locking up every day to the point ...
0
votes
2answers
83 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 - ...
1
vote
1answer
71 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
0answers
16 views

PIMD daemon needs long time to send PIM join message

I am using the PIMD daemon on Ubuntu Server 12.0.4 (32-bit). When it receives IGMPv2 membership report for certain group, it takes sometimes two, sometimes five seconds to send PIM join message to its ...
0
votes
1answer
93 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
82 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 ...
1
vote
1answer
42 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
83 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) ...
1
vote
0answers
12 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
vote
1answer
39 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
35 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 ...
1
vote
1answer
79 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 ...
0
votes
0answers
47 views

Cisco router: expired translations not timing out

Why would a Cisco router stop removing expired translations from the NAT table? For example: #show ip nat translations tcp verbose tcp <loopback>:60576 <inside>:60576 ...