Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [cisco]

Cisco is a provider of switches and routers to commercial consumers. Cisco devices run IOS or NX-OS operating systems. 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.

Cisco is a provider of switches and routers to many medium and large companies. Cisco devices often run IOS or NX-OS operating systems.

Since Cisco acquisition of Linksys, the consumer line of switches, firewalls and routers (which do NOT run IOS) have been rebranded under the Cisco name.

This tag is a generic tag - Wherever possible a more specific tag related to the product you are using should be used instead. For example:

, , , , ,

2629 questions
4
votes
6 answers

Is there a way to submit a batch of commands to a Cisco router and have them execute from the router?

I need to change the configuration of a remote (6 hours' drive) client's Cisco 871 (IOS 12.4.15T) from my location because of some new internet service at his location. To be more precise, I need to change the default route, ip address of the…
atroon
  • 508
  • 3
  • 10
  • 23
4
votes
3 answers

Cisco - NAT causes nslookup to return local IP

A little background: I have a server on my LAN that is statically NAT'd to its public IP in my Cisco 871. The rest of the same local subnet is statically NAT'd to a different Public IP, in order to separate traffic. The authoritative public…
Berkus Aurelius
  • 119
  • 1
  • 7
4
votes
1 answer

ASA 5505 vLAN Routing - 2 LAN 1 WAN

I am setting up a Cisco ASA 5505 with the base license. TCP/UDP communication works from inside->outside, outside->inside, inside->secure, which is my desired traffic security. HTTP, SSH, and other access from inside->secure works, but I can't ping…
Wayne
4
votes
1 answer

Cisco ASA and static IPv6 tunnel endpoint?

I recently installed a Cisco ASA 5505 firewall on the edge of our LAN. The setup is simple: Internet <--> ASA <--> LAN I would like provide the hosts in the LAN with IPv6 connectivity by setting up a 6in4 tunnel to SixXS. It would be nice to have…
Martijn Heemels
  • 7,728
  • 7
  • 40
  • 64
4
votes
1 answer

Is there a "show cdp neighbors" type command for Cisco ASA devices?

I have been working on a project to map out my organization's network infrastructure. For the networking devices (we are a Cisco shop) I have been running the show cdp neighbors command to see how everything is connected and through which…
Psycho Bob
  • 816
  • 2
  • 13
  • 23
4
votes
5 answers

Tips and Suggestions IP Address Re-Addressing?

Hello serverfault Universe, My ever evolving and expanding local area network is currently using a class-C address. My network consists of multiple subnets depending on site/location. 192.168.1.x is site HQ 192.168.5.x is secondary site 192.168.10.x…
RSXAdmin
  • 157
  • 2
  • 11
4
votes
5 answers

ASA 5505, is BGP supported?

I need to configure BGP on an ASA 5505, according to certain sources it isn't supported, yet I can find resources on the internet giving information on how to configure BGP. I'd really like an expert to answer some queries for me. Can you…
sorrrydoctorforlove
4
votes
2 answers

QoS for Cisco Router to Prioritize Voice and Interactive Traffic

I have a Cisco 891W NATing Voice and Data to the internet over a 10mbit/2mbit connection. Voice traffic gets degraded when I upload large files. Pings time out as well. I tried to configure a QoS policy but it's basically not doing anything. …
TJ Huffington
4
votes
1 answer

Multiple Set Peer for VPN Failover

I will have two Cisco routers at Location A serving the same internal networks, and one router in location B. Currently, I have one router in each location with a IPSec site-to-site tunnel connecting them. It looks something like: Location…
Kyle Brandt
  • 83,619
  • 74
  • 305
  • 448
4
votes
2 answers

cisco router loses configuration on reload even after saving it

I'm configuring a Cisco 3640 and it's not saving simple things like my hostname. I've tried with 'wr' and 'copy running-config startup-config'. Also erased the configuration but no luck. There's no error whatsoever when running the above…
Colin
  • 125
  • 2
  • 2
  • 7
4
votes
2 answers

Network Redundancy Example

Looking for help filling in how redundancy in the following model might work: alt text http://www.kbrandt.com/files/NetworkSample.jpg I believe my Datacenter will give me redundant gateways with two hand offs (going to have to talk to the more about…
Kyle Brandt
  • 83,619
  • 74
  • 305
  • 448
4
votes
5 answers

Will Power Edge Servers and Cisco Routers Power on when given power?

This post mentioned that servers can be powered on when given power (useful for remote power up by PDU). Does anyone know if Dell PowerEdge servers have this options (particularly 2950 and 2850s). Also, will Cisco 3825 / 2800 router work this way?
Kyle Brandt
  • 83,619
  • 74
  • 305
  • 448
4
votes
3 answers

Second (Redundant) Power Supply for a Cisco 3825 Router

Does anyone know if I can purchase a second power supply that goes in a Cisco 3825 router, or is there a separate unit I get for this? Right now it just the single power supply, and I want to get what I need to have it read for standard A/B power…
Kyle Brandt
  • 83,619
  • 74
  • 305
  • 448
4
votes
0 answers

Layer 2 Broadcast filtering on VLAN? (Access ports on Cisco SG-500-52MP)

This is my first time setting up VLANs on a Cisco so I've probably made some mistakes - would appreciate some suggestions. Thank you in advance. ... From my understanding of switches, when a layer 2 broadcast packet is received, the switch should…
DHW
  • 53
  • 1
  • 8
3
votes
1 answer

Plug 10GbE appliance into the SFP+ port of a switch on a 1GbE network

Is this possible? Our setup: Core switching: Catalyst 2960-X 48 x 1GbE RJ-45 ports 2 x 10GbE SFP+ Uplinks between switches are RJ-45. We plan to get rid of these and use a 10G switch for switch-to-switch uplinks in the near future. Appliance:…
Brendan Lovett
  • 31
  • 1
1 2 3
…
99 100