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Forum Posts
Hi allon most catalyst switches, is IGMP enabled by default, I hear that the switch only forwards traffic to ports that are in a group, my question is, does the switch try to listen to memberships for all multicast traffic and only send to them ports...
Please help!!!I have a 3560-48 switch running Cisco IOS Software, C3560 Software (C3560-ADVIPSERVICESK9-M), Version 12.2(44)SE3 and i need to implement basic QOS commands to the fast Ethernet interfaces as well as the gig interfaces and Also I need ...
Hi,I am a little stuck trying to troubleshoot unusally high cpu on 7600 Platform.This has been going on for many hours and not been causing a problem, but this doesn't seem replicated in our network and I am concerned about the cause.I have attached ...
Does 3650-X IP Base support Static Load Balancing or i should upgrade to ip service SW ?
Resolved! Slow RSTP Convergence (~30 Seconds)
I have a 7609 with two LAG groups (Etherchannel not LACP) going to two separate devices that DO NOT participate in spanning-tree (Occam gear if you must know). I'm running 802.1w across the LAG groups but the convergence time is terrible! In essence,...
Hi, I'm trying to configure my C3550 with fast ethernet port 0/48 assigned to vlan 2 in static access mode and SVI vlan 2 configured as dhcp client.But I see command ip address dhcp is not available on interface vlan 2:Cat3550(config-if)#ip adCat3550...
I have 2 routers connected to each other. Primary link has ospf, and backup link has static routing. After ospf detected that primary link went down at 18:34:24.539, R1 deleted primary route at 18:34:30.039. So it took almost 6 sec to update the rout...
I am just trying to get me head around where i should place IP helper addresses, here is my setup:Switch1 has the following two VLANs - VLAN50 DATA, VLAN100 Voice. Interface Gi1/0/1 is a routed port, with address 172.25.200.201/30default gateway is ...
I am looking for alternatives to GRE since it isnt officially supported on 3750's. I am dealing with a Managed MPLS situation where the carrier manages the routers at each site and I only have read-only access.The carrier is resistant to making any ...
I am getting ready to make changes to our spanning-tree configuration in the data center. In familiarizing myself with the network I noticed that our core switch (6509) wasnt the spanning-tree root for the datacenter. When I enter the spanning-tree...
Cicco 2911 RouterCCP 2.5Hi Guys,Please bear with me. I’m new to Cisco IOS.I’m “attempting” to configure a 2911 Router utilizing Cisco Configuration Professional 2.5 Zone based Firewall Policy is configured.Traffic is flowing out without a problem.Th...
hi:i have a router on a stick setup.there are three vlans (vlan 10, net:10.10.10.0vlan 20, net 20.20.20.0vlan 30,net 30.30.30.0 ) i want to keep each vlan separated to each other. so the acl command i used in router are:access-list 1 deny 20.20.20.0...
I have been provided a network connection that I know has two VLANs on it. One is a private link for which I know the VLAN ID.The second carries the internet and I cannot remember the VLAN ID can query the trunk port to find what other VLANs are on ...
Hi folks,Is it possible to use the 3560E-12D-S as an access layer switch to connect 10G servers via the X2 10G modules?One of our subsidiaries has bought one already and asked me to deploy.To be honest I've never seen any aggregation based designs I'...
Subject says it all, when I was using image 1.0.0.27, I was able to move the management VLAN from 1 to which ever VLAN I wanted. For some reason, after switching the image to 1.1.1.8, I no longer have that function. Am I missing something?
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