Switching

Hi there, Thanks for reading! Remote users complained of losing all network services.  Here's an ASCII "diagram": Router1 <-> CoreSW1  |       |Router2 <-> CoreSW2 RT1 & RT2 are confd as an HSRP pair. RT1 reports Late Collisions at the time of the ...

Hi, Is it possible to have an interface that is both a destination in a local SPAN session and a destination in an ERSPAN session? So for example I have Switch A and B. On Switch A G0/1 is destination in a local monitor session and is also a destina...

We are not able to use BGP attributes & route map so that we can influence in & out traffic in 3850 switches

Any thoughts on this?  Having a strange problem.  On some of our newer 4510s (SUP 8e), I'm having some devices not getting dhcp addresses until I take off port-security.The background:  on at least two 4510s, new installs, everything comes up and wor...

Hi, I've been practicing on how to configure a Cisco ASA 5520 from scratch. I tried to restore factory settings one of our Cisco ASA 5520 firewall. Tried to connect a console, setup an IP address of 192.168.110.19/24. I(t is connecting to a Cisco 375...

Is it advisable to keep different arp-timeout values at two sides of a connected interface? I have two distribution layer switches connected through a L3 link and /30 mask. I get ping times of 70-80 ms most of the times, even when I am pinging a dire...

Hi, I have a big amount of excess deferred frames on 3850. But my links are all full-duplex. Here are the info :  -the duplex and speeds are 100Mb and full hardcoded (on the other equipement too) -with show int : we see output errors -with show cont...

Hello, I have a switch catalyst 4500 with two boards of 48 ports each one, I need that all traffic of these ports can be reflected in a mirror port. Some of these ports are in different vlans, do you know if it's possible to do this? Also, this could...

I use putty or secure CRT to login in to one switch, every 15 minutes, if no activity, it will log off, so how can we adjust to 1.5 hour idle time, so only adtrer 1.5 h no activity, the session will become inactive, for example in 2960 switch, how to...

I’d appreciate a recommendation for new  networking equipment to cover 4 floors including the cellar. At the moment I have the following equipment:Location - cellar rack- ISP router acting as modem (location cellar rack)- Asus RT-N16 router (router +...