Switching

Resolved! DHCP Snooping Binding Table Question

Hi All,I have a question regarding the DHCP Snooping/Binding Table:The way I understand it, is that when DHCP snooping is enabled, the switch builds a Binding table that has all of the trusted MAC addresses and their IP DHCP mappings. The firewall f...

New VLAN Architecture/Implementation

Hello All,I have been given the task to architect and implement VLAN's in our company. And I have a couple of architecture and implementation questions I wanted to run by the experts.Quick Run Down on Topology:There is a total of 18 Layer 3 switches...

Can't reach an IP that's directly connected

Greetings,We have a device on our network that is directly connected that I'm unable to ping or trace to from my desktop. The device is our email server, or more specific, it's how we replicate our datastores to the failover in another location. I've...

Routed Interface

I have a 6509 with a WS-X6748-GE-TX (48 port 10/100/1000mb Ethernet) module. I am trying to convert one of the ports from a switchport to a routed port.I have issued the following commands: (config-if)# no switchport (config-if)# ip address 1...

10GBASE LR Link Budgeting

Hi,I am using 10Gig link to connect distribution and access switches. Since we are terminating the cables at multiple locations, we are also doing the link budgeting. The CISCO SFP 10G-LR module data sheet shows two values for the transmit power one ...

Interpreting OSPF routes.

Just one small question regarding OSPF routes in the Cisco routing tables : These are the routes from a routing table.O 130.126.0.20/30 [110/20] via 130.126.0.86, 3d12h, TenGigabitEthernet1/1 [110/20] via 130.126.0.17, 3d12...

Resolved! Next Hop for a Directly connected route.

C 192.17.10.64/29 is directly connected, Vlan572This is a directly connected route entry in the RIB. So if we have a packet with destination 'X' which matches this route then the next hop for destination will be 'X' itself ?thanks.

power requirment for 6506E

I am looking the power requirment for 6506E in data sheet and it shows that is support 3000, 4000, 6000 & 8700W. I have currentely 4000W power source for my new 6506E switch. will it work with below modules in new 6506e?Mod Ports Card Type ...

Catalyst 3750X - Network Module 1/10G

Dear All,Is it possible to mix 1 and 10 Gigabit links on a 1/10Giga Network Module of the Cat3750X???I mean porte GE1/1/1 and GE1/1/2 used with SFP and port TE1/1/2 used with SFP+; that makes TE1/1/1 not available as GE1/1/3 and 1/1/4Thanks for a rep...

Resolved! Cisco 4500X power Consumption

Hello,I am calculating Cisco 4500X power consumption requirements to select appropriate UPS systems. I have 4500X switch with dual power supplies. Question is which value should I take for power consumption calculation, in data sheet it has two valu...

Outgoing interface not resolved for static and BGP routes.

Hi, I need to parse the output of "show ip route" to create a list of Destination , next hop and outgoing interface. After looking at few output it looks Static routes and BGP routes can have entries with no outgoing interface resolved . Is there ...

Resolved! VIDEO CONFERENCE WITH POLYCON DOES NOT FUNCION OVER INTERNET

Hi.We are making test witch POLYCOM for pass video conferencing from an privete network to internet, but i having problems:one way audio and videoonly ringback during session stablishmentthere is not any problem when we make test between private netw...

Nexus 7010 span picking up multipal device unicast packets

I want to monitor our backup server (commvault) as it is saying it's library (Data Domain) is going off line. I have set up monitoring like this:swus7010Corea(config)# show mon ses all session 1-----------------------------type ...

Dear friends i am having a issue i configure 1 core switch 4500 series and 4 2960 48 port switch , each access switch have 4 uplink toward core switch ,this uplinks are configured as etherchannel, contined below

CONTINUEi configure the uplinks as etherchannel,i configure two svi interface on core switch int vlan 51(192.168.51.1) and int vlan 50(192.168.50.0) for this two svi int i configured two dhcp pool ,when any of the pc is requesting for dhcp add i am g...