Switching

We had a problem wih a very short Power outage (just a second). All our swicthes (in different buildings) made a coldstart except one model 3560-48PS. It never started. The solution was to unplugg the power cable and plugg it again. Then it worked!Th...

Hi,I want to ask basically two questions regarding Etherchannel:1) In Etherchannel, PAGP n LACP negotiates for formation n maintenance of links. But while using 'ON' mode exactly what happened. book says no negotiation protocols like PAGP and LACP ar...

Hi All,My organization's network engineer has asked me to find out the port number which is connected to GigabitEthernet 3/0/2 & GigabitEthernet 4/0/9 respectively. I don't know out of 48 port on switch in our data center which one are these two (bot...

  Is there any technique to identify 3550/3560 support intervlan routing or not?

I'm having some trouble with a 2960-S configuration to reach the internet. I'm not sure if this is related to the switch or possibly the comcast gateway. Network configuration is as follows: Comcast Gateway ---------> Cisco 2960-S -------------------...

Hi Friends,As per N7K WCCP guide, F1 card doesn't support WCCP, if lets assume the incoming traffic hits a port in F1 card (vlan 999) and we enable WCCP under SVI interface (interface vlan999), will it work? (we have other M1 card on N7K as well)In t...

Please see attached docs for problem details.

I understand its not recommended to redistribute using route-map and ACL in NX-OS.The recommendation is to use prefex-list.Its known as a bug :CSCtt04685.Any details when this bug would be fixed? or there is no plan for it?Thank you.

Hi - I have 6513 IOS switch. I want to erase config on that and keep only 'boot system flash' command so that while reloading it don't go to rommon.How can I do that ?Regards, Jr.J 

Hi, I have a Router Cisco 887W witch is connected to Access Server. When i move from router(config)# to ap>    than i cannot go back to router again.Every time when i press Control-Shift-6 x it takes me back to my Access_Server# Please help me.Kind r...

HiI have been tasked with configuring an ASA pair to connect to a pair of 6807s in VSS mode. There is 1 sup 2 T in each chassis and they want to run port channels with /30 subnets between the 6807s and ASAs. Firstly I need the physicals sorted so the...

Hi everyone,Could you please look into my access-list applied to my router and tell me if this will be enough to secure home network.I use Cisco 887W router with the following scenario: VLAN1 & WLAN1 - 192.168.1.0 255.255.255.0 defaul gateway - 192.1...

Hi Cisco Support In sup8-e data sheet NVRAM = 2GB, but when i "show version" or "dir nvram:" on cli that shown 512KB.I just wan't to know, how can i show size of nvram on sup8-e? http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-4500...