Hi,I have a hierachical network design using VSS as core switch/router, redundant distribution switches and access switches with multiple VLANs.Details: - EIGRP (EIGRP stub on distribution switches) - Routed-Etherchannels (/31) between core a...
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Forum Posts
Hi, I use Sophos AV feature that needs to send a broadcast on a specific port to communicate with a server."When a laptop icts rental exchange, the Sophos AutoUpdate component of Endpoint Security and Control installed on the laptop determined que la...
Hello, Is there a way to assign DHCP address for L3 routed ports on 6500. I can do it on 4500 using IP address DHCP command, but for some reason the command is not supported on the 6500. If the command is not supported, any idea how to go about it....
I am having an issue where a switch I have won't give up root. The switch I want to be root I set at a priority of 4096, and set the priority of the switch that I don't want to be root at 20480. However the switch at 20480 still thinks that it is roo...
Resolved! 2901 Ethernet Circuit turnup
Hello, I am having a problem configuring a 2901 with a 100/100 Ethernet circuit. The router can get out and ping externally, but my clients cannot.. The clients can ping the routers WAN interface, but unable to ping the provider gateway.. Provider =...
hi, I did not find my answers in the document, as I understnad that IRDP: Specified in RFC 1256, this is a legacy FHRP solution. IRDP allows IPv4 hosts to locate routers that provide IPv4 connectivity to other (nonlocal) IP networks we use to do th...
I have a problem with IP Multicast Setup The Setup: Because the layer2 segment between the both routers doesn't support PIM-snooping, I have to build a GRE tunnel between the both routers. C3650 is the rendezvous point (autorp). Over the GRE Tunnel i...
On one of our 2960s we see rps allarm: DCOut State Connected Priority BackingUp WillBackup Portname SW#----- ------- --------- -------- --------- ---------- --------------- --- 1 Active No 6 No No ...
Hi,I would like to understand the difference between the two types of aging mechanism: Absolute & Inactivity. In which situation should we used absolute instead of inactivity. What is the default settings is we do not specified absolute or inactivity...
Resolved! AutoQos Configurations 2960x 3850
Hi I want to configure autoqos, and I have seen different ways to configure it. My network consists of access layer 2960x switches, core layer 3850 switches and then has a point to point to another site using a vlan running over a trunk and also a po...
Resolved! QOS and AutoQos
Hi I have not deployed QOS before so had a few questions regarding it. I am deploying a new site consisting of a tiered model using a core and access switches. I want to deploy QOS. I am using 2960x access switches with 3850 core switches. We have mu...
Resolved! Ethernet-II FCS calculation
Hi The frame length of an Ethernet-II frame isn't specified in the frame itself, but determined by the IFG (Inter Frame Gap) in 10Base-T. Does a store and forward switch now have to go through the whole frame again to check the FCS? Or can it calcula...
Hi @all 6 Month ago we changed your switches from 2960 to 2960x. The 2960x are connected as a stack with max 6 switches and a uplink of 2*10GBit Etherchannel. Since we changed the hardware we have the issue that at the access ports have output drops...
Resolved! BGP Process detected a crash
hello, Our CISCO 7609 which is using WS-SUP32-GE-3B (ios : 12.2(33)SRD4 ) has detected a crash and automatically reloaded while I was donig 'no address-family' and 'no ip vrf' job. I opend a case and the CISCO Tac gave me an answer that I am hitting ...
Hi, I have DCHP server configured on Cisco 6506-E switch with supervision module VS-SUP2T-10G. It will only provide DHCP to the clients in the specified VRF. I had do some research at the forum and found that below config need to add as part of work ...
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