Switching

hello!i can;t ping my Multicast group from My Router:RXIp multicast-routinginterface FastEthernet0/0 ip address 10.10.100.2 255.255.255.0 ip pim sparse-mode ip igmp join-group 224.2.2.2 speed 100 full-duplexendping ResultR2#ping 224.2.2.2Type escape ...

Hi, I have few Servers on PIX DMZ but I am not able to ping from outside, provided I have enabled the ICMP (in outside ACL) to any any and I can access the website hosted on these servers from outside world on the opened ports.Also I can ping these s...

Dear Sir,We have a pair of WS-C3750G-48TS-S and several groups of 3com Hub for a network of 200 users.We want to setup 3750 as the resilience core switch and let each groups of hub have dual link connect to them.But as the hub does not run STP and li...

Hi,I did not know exactly which forum to post this. I had a couple of problems last week with a cut over to a new network design. This design was supposed to logically segregate VoIP infrastructure from DATA. This means for example Vlan 10 is the ...

Hi all, If I have access switches plugged into my core layer 3 switch, if I prioritize my traffic at the edge using vlan, what do I need to do on the port that connects to the layer 3 switch (uplink)

Hi All,We have got Cat6509 switch with Sup720 and 12.2(17a)SX IOS. There are already two WS-F6748-DFC3B blades in this switch working absolutely fine. We have got a new WS-F6748-CFC blade and have plugged it in slot 3. In "show module" the new card i...

I need to understand how secondary ip address configure on router work when it is two different networke.g:ip address 1xx.xx.7.2 255.255.255.0 secondaryip address 1xx.xx.6.2 255.255.255.0secondaryand ip route 1xx.xx.6.0 255.255.255.0 FastEthernet0/1i...

Hi All,I have some questions on switches in general.Can I get help on the following modules on the switch.1.What is a Backplane?2.Why is a sup card needed?3.why are MSFC AND PFC cards used?4.what should I look for when I want to install 2 supcards on...

I'm new in networking.I found that cisco router 28XXhas the VPN feature in the security option:Security Solutions-------------------Network Admission Control (NAC)Voice & Video Enabled IPSec VPN (V3PN)Optional Security ModulesIDS/IPS Network Modules ...

Is there a difference between vtp pruning and controlling the vlans allowed using the switchport trunk allowed vlan vlan-list?Thank you.

I want to connect 2 NIC from server to Switch to increase banwidth, the questions is:1- Can I configure 1 IP address for NIC.2- What functions of the switch support.3- How do I configure step by step.I use Cat 3560

I've been asked to help a customer who has a Sup II fitted into a 4500 chassis. He has tried to upgrade the IOS on the switch and somehow in the process lost the boot helper image. So now the switch is at ROMMON, and wont load the IOS, probably due t...

Hello!i have to know when you configure frame-relay on some interface and you can't ping ur own interface!here where the Problem and how can i resolve like this problems10xs

hello anyone has faced like this problem before:R4(config-map-class)#FRAme-relay fragment 64000 ^% Invalid input detected at '^' marker.R4(config-map-class)#10xs

Dear Experts!I Have to know where we use these Commands:1)ip drp server2)ip wccp web-cachMulticast:ip pim dm-fall-backip send-rp-announce Interface..many 10xs