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Forum Posts
You can configure HSRP in networks that run which of the following protocols (Choose all that apply)?A. Banyan VINESB. IPC. IBM DLCD. Novell IPXE. AppleTalkAnswer: A, B, D, E I believe that HSRP is a cisco-proprietary, so my answer was "B" only.Why t...
I have a swtich stack comprised of three 3750G series swtiches. 1x 12sfp fiber port 10/1000 and 2x 24port 10/1000 ethernet switches in this stack. I am setthing up a etherchannel connection comprised of 4 cables to a SAN device. I want to balance th...
I am trying to understand how mulitcast works and have read a few documents out there. We have a 6 servers that requires mulitcast, however we do not feel comfortable doing this on our catalyst 6509 because it's our main switch/router and the servers...
I have attached a power point for your review. We are seeing excessive packets jumping VLANS so-to-speak. On the drawing you will see XYZ receiver which sends out boatloads of UDP packets (i.e., broadcasts constantly). We are OK if they remain con...
Resolved! To see all up/down ports in a switch
Dear friends,Is it possible to get an output of all ports whose interface status is up and line protocol is down. If i say sh ip int brief | inc down, it also includes down/down status.I only want up/down status of ports.Thanks a lotGautam
Resolved! ospf wildcard
dear experts, hellowhy we use a wildcard in ospf networkconfiguration and not the subnet mask of the network, like net 10.0.0.0 0.0.0.255 and not net 10.0.0.0 255.255.255.0so what is the reason for that.thanks alot for your helpLabib Makar
Resolved! passive-interface with ospf
hello expertswhen we issue the command (passive-interface) in ospf configuration on a specific interface, will this command prevent sending and receiving the update packet or prevent sending only and allow for receiving like rip and igrp, thankyou fo...
Resolved! HSRP state change
I've got two routers: a 2821 with an interface GigabitEthernet (Active) and a 2620 with an interface FastEthernet (Standby) normally performing in a HSRP mode:interface GigabitEthernet0/1 description LAN XXXX ip address xxx.xxx.xx.x 255.255.255.0 no ...
I'm running a Cisco 871 router in a LAN WAN setup. Nat, site-to-site VPN, Firewalling, etc. The problem is that the router stops forwarding traffic at random. The only way to fix this issue is to reboot the router using the console / powerswitch. Sym...
Hi i am new to this community.I'll try to give as much information as i can.I basically know nothing about networking and routers and such. That's why i need your help, the professionals. So my xbox 360 sits in my room. To playLive it requires intern...
Hello,After running a coupple different protocol analyzers I am seeing 10,000+ fast retransmissions. Could this be an issue? I have a lot of clients complaining about slow server response time, and I'm wondering if this could be causing it. What wo...
I have cisco 2821 router with 16 FastEthernet Switching module. I am facing a problem that at console a message "Insert multicast address to MARL table failed" appearing constantly. I tried to search it on Internt but could not get anything usefull. ...
Hi Everyone, I am currently working on an entire network upgrade for my company. I am working on a network security solution that will enable users to use Cisco IPSec VPN's. I have been doing my research and for my user base of about 50 users, I d...
hello friends,i am trying to find out the answer for difference between L3 switch and Router and their functions as compared to each other but unable to get it..1) can you please tell me that what is the exact difference between L3 Switch and Router?...
Hi,We are using a Cisco 3750G 24 port switch, I want to make it 48 ports so I am going to buy a new one and stack it. Does the firmware version/age on both have to be the same?Thanks
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