Switching

Hi, quick question here. On a 6509-E with dual SUP720 I can see the following entry in the mac-address table:7 0800.0f27.4991 dynamic Yes 170 flood to vlan7 (unicast)There are a number of entries similar to this, all in the same vlan. My ques...

We are using a Catalyst 2950T to capture the traffic of our network. We set up monitor session from a source port to a destination port, where a laptop runs tcpdump. What we observed was that the tcpdump started seeing only broadcast traffic after a ...

Hi, I have a cisco 1720, with IOS Version 12.2(8)TPC10a.I have configured a FTP server with NAT static in this router but we have problems to open sessions.Do you know if this is related with IOS? someone tell me I have to configure TCP MSS Adjustmen...

Hi All,Iam planning to upgrade IOS on dual SupV 4510R to most recent 12.2.50-SG to support ip tracking feature for Internet reachability. Current IOS: cat4000-i9s-mz.122-25.EWA4The switch has BGP/OSPF/EIGRP protocols with SSO redundancy. In the 12.2....

I have a LAN that consists of two 6500's with SUP720's and about 40 2970's (with a few 2960's mixed in). The 2970s are basically an access layer as they serve as ports for the servers inside my cabinets. Each 2970 is trunked and etherchanneled up t...

As I know this standards are different, and 1000BaseTX need a CAT6E cable to operate.show run says that:Gi0/2 notconnect 1 auto auto 10/100/1000BaseTXbut here:http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6406/product_data_shee...

Dear All,We have noticed on 3750 switch that the stacking ports have been unstable,they are flapping server times a day,i couldnt able to find out any thing exeptthe below explanationError Message STACKMGR-4-STACK_LINK_CHANGE: Stack Port [chars] S...

Would you help me to understand the reason why Total Output Drops increasing on WAN interface fa0/0( facing to VPLS/L2 service link) on my 1841 router?To my understanding there are two reasons that could cause this output drop counter increasing as f...

Hi All,I have a dhcp server on w2k3 and one scope for one LAN .I want to have another scope on the same dhcp server for a 2nd Vlan and I did the IP helper and ip broadcast on the 2nd Vlan interface but it is not working.No PC gets IP in the second sc...

Hello,I'm currently in the process of re-designing QoS for our entire network (LAN & MPLS WAN).We already have VLAN & IP Address QoS enabled in the core of our network.In 2008 we implemented MPLS between HQ and 2 Remote/Branch Offices. Each site has...

Hi all, we have the option to use LACP from the server to the switch with 2 nics, in my min this would be true load balancing both ways rather tan using the HP default of outboun load balancing. am i right in saying this? I think the server does outg...

Hi all, I have a small queryWith cisco routers, do they have an IOS image and a boot image?if so what does the boot image look like, ie the name when I do show flashcheersCarl