Routing

I have a "C3750 Software (C3750-IPSERVICESK9-M), Version 12.2(55)SE7" and I got an error "%PLATFORM_ENV-1-FAN: Faulty fan detected".  My question is, is it possible to replace the FAN only not the switch ? 

Hello All, I have two routers connected and running IBGP between two of them and I am able to ping each other. But later I replace one of the router with same configuration and now I am unable to ping the other router, the replaced new router is of s...

I manage a 6509 with a SUP 720 3 (MSFC3) running 15.1(2)SY7. There is a single Ten Gig interface (WS-X6704-10GE) to a network provider, using trunked vlans to IP route to 3 other 6509 routers. I now need to send an additional vlan to one of those 650...

Hi All, What exactly need to be done and how to proceed with the Malicious attacks (brute force , DDos , Botnet etc) on network. Please suggest , what commands need to be execute on Cisco router (facing towards Internet) to mitigate such attacks. ...

Hi All,  Seeing a strange issue on an 871, I've defined a Dialler interface Dialler 10 for PPPoE, It comes up and establishes with no issue.  When I shut the Dialler interface I keep getting the log line "%LINK-3-UPDOWN: Interface Virtual-Access1, ch...

Hi, I just take ownership of a cisco 2911 with IOS ver 15. I noticed that the command IP PMTU and IP DFBIT SET is no more available. Anyone knows why? The router comes with IPBASE and DATA license.

Hello guys, I need your help about my VPN(L2TP). I need to use this VPN (Private Internet Access): https://www.privateinternetaccess.com/. But after perform the configuration of my router, the crypto remains: UP-IDLE, and the connection isn't operat...

Hi, May I know if ehwic-4g-lte-g can support mtu size 1600? If yes, what are the commands? I tried mtu 1600 under interface cell 0/0/0 but still my ping with mtu size 1600 cannot go through. Please help. Thanks John 

Hello, I want to calculate the power consumption of the 2901 and 2911 routers when one WIC2T board is installed in terms of VA? I looked at the Cisco calculator but there are only some models for some Cisco Switches and no routers. I can not find a...

Hello, The current situation I am facing is our headend router (an ASR 1002X) is acting as a hub and spoke for our 30 remote sites, and they all currently feed off of a /24 mesh with the head end router using a physical interface IP (Not sub interfa...