Hi, Our company is trying to implement Microsoft ExpressRoute. Microsoft gives the solution as a Q-in-Q Vlan. We have to strip our the S-Tag and use the 3 C-Tag VLANs for our BGP links to Microsoft. Our service provider gives us a L2 trunk link whic...
Forum Posts
Resolved! Why is the port not coming up
Hello all, I am starting a lab that I am configuring myself and right off the bat when I connect the ports at least one will not come on although it says it is on when I look at the switch. Any clue as to why it isn't coming up. I have not configure...
Resolved! Question about RPF election
I am labbing Multicast Assertion mechanism. From https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/212595-how-well-do-you-know-pim-assert-mechanis.html Based on the highest PIM neighbor behavior R2 should be elected for (*,G) , right ? ...
Hi I need to Make Upgrade IOS for 2960 Switches . want to make as 6500 Series Switches as TFTP server How can i make is it possible to upload IOS of 2960 Switch in 6500 series Switches
Resolved! 6504 Minor Error Appaer
Hi i have Cisco 6504 with 3 active module , when i work on it , this logging message appear %DIAG-SP-3-MINOR: Module 3: Online Diagnostics detected a Minor Error. Please use 'show diagnostic result <target>' to see test results. and then all traf...
Resolved! Redundant Switch Block Design Question
Hello all. Quick question. I'm currently reading up on some CCNP switch topics, started from basics and I encountered the below diagram. ImI just seeking some clarification on why there's a Layer 2 link between the distribution switches. I'm assuming...
I was wondering if anyone has ever had to replace a member of a VSS particulary with the Cisco 4500x series. I have seen the document on replacing a 720 sup module for the Cat 6500 series, but I am wondering if there is anything particular for the 45...
I've just purchased a new Cisco 881.I'm using NAT NVI for my inbound static mappings. However, regardless of the fact that the config is saved to nvram, after a reload of the router, the NAT mappings are setup as traditional inside/outside mappings. ...
Hi Guys Ive got a 24 port GIG module in this 3945 ISR. Im using BVI to place an IP address on the VLAN1 of the router, which is my LAN default gateway. Rather than having to initiate connections to the Switch Module for configuration using 'servi...
Hi There, On one of my WLANs on my 5520 WLC's that is meant for public access I get some clients that are getting excluded due to 802.1x authentication failure. The WLAN is configured using a WPA2 PSK and not 802.1x. I have client exclusion ena...
Resolved! Cisco Catalyst IP DEVICE TRACKING
Hi All, I want to disable the device tracking on my Access Switches 3650 with software version 16.3.6 I don´t unterstand the documentation of the following link https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3650/software/release/16-1/c...
As it obvious there Should be Some layer two and layer one (physical layer tapping devices) network devices in between that we cannot trace or identify but they have an important impact on the result These layer 2 & 1 network devices have many role...
Resolved! 4500X Jumbo Frame, reload?
Hi, I have 2 4500X switches in VSS mode and I need to increase the mtu to the maximum. Will this require a reboot of the switches? If so could I do one switch at a time?
Hi Team, I am sorry if my question doesnt make much sense. We have this requirement at my work. We have 5 locations connected via MPLS network. So, if the BGP is down at one location, i would like to know any backup technique to connect the locat...
Hello everybody As you know, ACLs are processed in Hardware in MLS. So the Match Counter doesn't change when a packet match the ACE. Could you please help me to find a way to troubleshoot ACLs without match counters. It's really helpful to check the ...
