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Resolved! cisco 2960C has noise

cisco 2960C has noiseHI guysI am wandering if you could help me with my questionToday I've got Cisco WS-C2960C-8PC-L 8 Port from ebay. Brand newI've done a configuration all looks good BUT I've notice some kind of noice comming from a back pannel (fr...

OSPF cost calculation

hi people , i need to undertand how OSPF calculates the cost as its metric, i know the the formula to calculate is  100000000/interface bandwidth, but how can we convert the interface bandwidth which is in KBIT to BPS ?please let me know the detailed...

Resolved! Will OSPF work with 3rd party vendor

Hi there!i've one CISCO Main Router that connects to ISPIP WAN: 1.1.1.1IP of ISP: 1.1.1.2LAN IP: 10.1.1.1/24I've created this OSPF to this routerrouter ospf 1 log-adjacency-changes network 10.1.1.0 0.0.0.255 area 0 redistribute connected metric 112 s...

Resolved! Deleted flash:

Hi All,I have mistakenly deleted flash:I am on switch: mode how do i come out of that and load the new IOS.any help will be much appriciated.many thanks.

Cisco 2960 - failing GBIC?

Cisco novice here...have a Cisco 2960 connected to a Cisco 3550 via Fiber (along with a few other 2950s and 2960s).  This has been running fine for years....starting Monday morning, the fiber link to one 2960 just randomly shuts off.   Doesn't get di...

PBR - next-hop local interface

If I set the next-hop in a route map to a local interface, will bad things happen? configs below...interface Vlan2 description User Subnet ip address 10.3.3.253 255.255.254.0 ip helper-address 10.77.42.12 no ip redirects no ip proxy-arp ip route-cach...

nkillgore by • Level 1
  • 644 Views
  • 6 replies
  • 0 Helpful votes

ip san 10G nic with 3750x

hi all,i checked my configuration now with ip san and it's connected with my 3750x 10G nic, there's no "spanning-tree portfast" command on it.  I don't remember if I have notes not to put it.  Just having error now when it's disconnect and reconnect ...

Resolved! default gateway

Hi,This is a naive question.We have a layer 3 4500 switch configured with interface SVI ip 192.168.100.1/24.connected to this is a 3750 with ip 192.168.100.11/24 ( default gateway to 192.168.100.1).there is a third edge switch, a 3750, connected to t...

suthomas1 by • Level 6
  • 672 Views
  • 1 replies
  • 0 Helpful votes

Resolved! lost password 3900

Hello,I just shopping for a new router series 3900I first connected with ID cisco / cisco, but I did not pay attention to a banner that says "IF YOU DO NOT CHANGE THE PUBLICLY-KNOWN CREDENTIALS, YOU WILL NOT BE ABLETO LOG INTO THE DEVICE AGAIN AFTER ...

Nexus 5548up blocked pings between ports

I have a weird issue.  I have 3, 5548up switches.  I have performed a write erase on all so they are completely default.  All ports are on vlan 1.  The only changes to the default was that ports 1-4 are used in a port channel with vpc, and change the...

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