Dear networkers, For a pretty simple setup, all based on VLAN100, SW1 runs as IGMP snooping querier on VLAN100, SW1 simply sends the IGMP query commands, it's no necessary for it to get the real multicast data traffic as there is no any receiver, ca...
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Forum Posts
Resolved! Can't get Vlan to accept DHCP address
In order for the answer below to work, in this setup I had to stop using the Gigabit port entirely and just use FastEthernet0/1 as the connection to the ATT. ~~~Hello, I will be honest that I am very new to this. Luckily I am trying to do something s...
Dear Networkers, When SW_2(2960-X, v15.2) sends the IGMPv2 membership Query(seems I cannot make it to send v3 queries), the client/receiver in IGMP v3 only mode replied the membership Report to 224.0.0.22. But “show ip igmp snooping group” on th...
dears, I have two switches one is Cisco SG500 and another is Allied Telesis 800. Is it possible to communicate with these two switches using Single mode Optical fibre with SFP module? IF Yes Then How please suggest me?
Do we need to configure IGMP on Host, Switch or Router.
Dears My router f0/0 ip is 192.168.1.1/24 But I want to give another ip in that interface how can i give that please suggest me . Thanks and regards Murari Mohan Padhan
Hi All,, Need some basic knowledge of CISCO NEXUS switches. what are they xctly? How they work? Why we use them Difference btw normal 3850 and nexus OS of Nexus Why it has ethernet ports All basic details from scratch. Pls share some details
Hello, I have a situation; that I had to divide my Cisco Switch 3560-X into 10 vlans and have them routed to a port on an encoder? (not cisco) I have created all the vlans with different subsets and all, created the trunk on the 1st port, routed e...
Hello, I am running IGMP snooping. When I run the command 'sh ip igmp snooping groups' I get the following populated result, however when I run the command 'sh mac address-table multicast' I get no result. I thought that if my IGMP groups table is ge...
I have a L2 network segment using cisco Cat IOS 15.x connected to some checkpoint firewalls. The firewalls are configured for PIM Dense Mode and basically statically forward traffic to the segment. I tried setting the quierier to the switch " ip igmp...
Resolved! Sup 7L Won't Upgrade IOS
I have a 4507R-E with dual Sup 7L-E that will not upgrade IOS. These two Sup's came with IOS XE 3.4 on them. I have copied the image for 3.9.1 to both supervisors and modified the config to 'boot system flash bootflash:<imagename>' then wrote the mem...
Hi, We have a C3850 switch and I could see 2 vty sessions hanging for sometime now. sh users Line User Host(s) Idle Location 1 vty 0 idle 1w5d hp22-840 2 vty 1 ...
Resolved! IOS upgrade on Switch 2960S
Good day all - in the process of upgrading the IOS on one of our switches, other then copying the IOS to switch and reloading switch with new IOS as you normally would, any precautionary steps i should take to prevent loss of config and vlan's? I'm c...
Hi , I need urgent help, I have installed 30 3650 devices in client location I want to run ip device tracking max 0 command on cisco 3650 switches but I think its not supported , if any one can suggest if any alternate for this command which we can...
Resolved! NAT problem?
My server can send to router 1, router 2 and multilayer switch, the router 2 and multilayer sw can't send to server. The server and router 1 also can't send to pc, same situation pc can't send to server but can send to router 1. Router 1 configurat...
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