Network Engineering Weekly Newsletter - Friday, November 28, 2014

Network Engineering newsletter

Top new questions this week: Impact of removing VTP from a production network We are planning to remove VTP from a production network that has RPVST running. This is at the core (a pair of Cisco 3750s) and we are trying to weigh the impact it has on the production network. In ... cisco switch vtp cisco-3750   asked by MFT 6 votes answered by Ryan Foley 8 votes How to configure IOS/IOS-XE routers to prompt for users after "enable"? I need to get to a point where my routers ask me for a user and password after I've entered the "enable" command. like this: Can anyone help with this? Thanks! cisco cisco-ios   asked by Harnik 3 votes answered by Ron 1 vote How do you configure the Password Memory on the F5 Big IP? I'm trying to find out what the command line option is to set the password memory of an F5 BIG IP. I know Password Memory can be set from the GUI but I'm not sure how it is done using the tmsh? I ... f5   asked by Lucas Kauffman 3 votes answered by Jordan Head 2 votes Transparent proxy (wccp and squid) I am trying to solve problem about configuration of transparent proxy server. I don't have any configuration on devices, I have not started yet. Because of preparing and studying that topic. I am ... cisco gre http-proxy   asked by user3729399 3 votes Can't ping other vlan on same stack switch [solved] I have to setup a stack of 3 Cisco 3850 switchs. They are licences to IP Base feature. I inspirated my setup from an another configuration we got here but those switches have the IP Services IOS. ... cisco routing vlan cisco-ios mpls   asked by Patrick Pellegrino 2 votes answered by Ricky Beam 2 votes Spanning-Tree debug logs C7600 I am trying to debug STP on a C7613 but I have logging issues. IOS version 15.2(4)S2 The Route Switch Processor is RSP720-3CXL-GE I'm running every debug commands for Spanning-Tree but nothing gets ... cisco spanning-tree logging   asked by Jeremy G. 2 votes How to design/build a separate network to carry the management-related traffic or so-called "out of band" (OOB) management network/subnet? I work at a data center, we need to setup a completely separate OOB network, I know about OOB using access server/terminal server, I mean how to setup something like Cisco 2511 with SCSI-2 ports and ... cisco oob   asked by user7741 2 votes answered by jona 1 vote Greatest hits from previous weeks: What is the meaning of the CRC counter on a cisco device? If the CRC counter of an interface is high, normally it's a bad sign, but why? If the count is high, what does this mean technically? What can cause this counter to go up? On which layer in the ... cisco troubleshooting   asked by Bulki 18 votes answered by ytti 28 votes Bridging VLAN trunks on RouterOS I need to send a VLAN trunk over an EoIP tunnel through two RouterOS/Mikrotik routers. I have thus bridged an ethernet interface on each side of the link with the respective EoIP interfaces. Seeing ... vlan mikrotik   asked by Roy 6 votes answered by Aziraphale 5 votes Can you answer these? Implementing a secondary IP address? I am familiar with adding a secondary ip address to cisco device interfaces in order to work around corner case scenarios, for example having 2 ip subnets within the same vlan, needing to expand when ... cisco secondary ip   asked by MattE 1 vote how do i remove a rule that was configured on PanOS via Panorama? I have a problem deleting a rule that was created on PanOS via Panorama. I have PanOS firewall (5.0.0) that was managed by Panorama (5.0.0), then i added the PanOS to a DG and created some rules. ... firewall palo-alto   asked by Zorik Meyman 1 vote MLD messages during IPv6 duplicate address detection I was wondering if anyone can shed some light on when Multicast Listener Discovery (MLD) messages ought to be send during IPv6 Duplicate Address Detection. RFC4862 section 5.4.2 gives a detailed ... ipv6 wireshark icmpv6   asked by logion 1 vote

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