Hi All, Whats the best way to erase sensitive info from Cisco 2950 switches before disposing. 1) Is it enough to delete config.text and vlan.dat from rommon (switch:) mode ? 2) Is it better to format flash: from rommon (switch:) mode ? 3) W...
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Hi all, Read from the doc that the VPC peer link only carry multicast/broadcast traffic under normal circumstances -> The vPC peer link carries control traffic between two vPC switches and also multicast, broadcast data traffic. In such scenario b...
I'm trying to create unified configuration for bunch of switches. One problem with configuring dhcp snooping database agent to save db to ftp. Is it somehow possible to set variable in path, so it could be one command for any switch that will save DB...
Serial link or fastethernet which is faster ? why do we use serial connection for wan links
where do we use wild card bits ? as far as i know we use it in ospf and ACL . where else do we use it ?
Resolved! ACL
1.# access-list 101 permit tcp 10.1.1.0 0.0.0.255 eq 23 11.1.1.0 0.0.0.255 vs 2.# access-list 101 permit tcp 10.1.1.0 0.0.0.255 11.1.1.0 0.0.0.255 eq 23 is there any diffrence between first and secound command ?
cdp and lldp belongs to which layer in OSI model
Hello, I've just added new card, transceiver, and the cable to my 2 servers. All connected to 2 stacked 3750. Very simple network 2 10g servers and just PC- no routing etc Unfortunately it is not working great. I am having problem with the speed. 1...
Dear Community, We have recently installed two 2960-X stacks in our network. To be exact 2 stacks of 5 each of the WS-C2960X-48TD-L switches. As we analyze the logs each day we have noticed that the logs are flooded with the error message: %PLATF...
Hi, if we have a switch has to be IPv6 ND RA for specific Vlan, and we have to filter unauthorized RAs on that vlan, but we still need RSs to be permitted for those host which need to do solicitation for the active router on that link (which is the...
I'm working on a 7600 series router and noticed that when sending IS-IS padded hello's, the hello's do not actually get padded out to the CLNS MTU value, but actually get padded out to the MTU - 1.So for example, if I just have the interface MTU set ...
Resolved! Flexible Netflow on Port Channels
I have a Cisco 3650 with IOS XE version 03.07.03E and unable to implement flow monitor on a L3 port-channel. Please advise how can I get this flow configuration to work in Port-Channel interface. Response that I got: Sw3650-01(config-if)#ip flow mo...
Hello, We've a cisco Nexus9000 NXOS: version 7.0(3)I4(4). Some servers need to send L2 mcast packets to flood between themselfes. I've noticed that "Optimised Multicast Flood (OMF)" is blocking multicast flooding between servers. So i need to disable...
Resolved! N7K port stuck in fex-fabric mode
I have a Nexus 7010 with one interface that wonlt allow CDP because it thinks it is in fex-fabric mode. There are no FEX configurations on the switch at all. I tried "default interface" I tried removing and adding interface configuration commands. ...
Resolved! Cisco 4506 Active-Active ACL setup
