Hi,I'm looking for many days some informations about the compatibilty over spanning-tree etherchannel guard misconfig and the new I.O.S 15.0.2 SE.This command : spanning-tree etherchannel guard misconfig, was enable before upgrade IOS in running-conf...
Forum Posts
What is the best way to prevent any personal devices from accessing wired network from access switches Is configuring MAC-Based Access Control List by permitting only authorized mac addresses on cisco 3850 a good solution? Or any other. Ple...
We have connetced two 3850 in trunk with theree 2960 in ring network topology. And big question is. If is done on one switch configuration of NTP server. Can other switches take this adress from that one switch? And what is the best configuration o...
I want to filter OSPF routes within the same area. Distribution-list command is not available on Nexus 9k. Does anyone know an alternate option? Is it correct that Distributionlist command within OSPF is not available for Nexus 9k? Thanks
After configuring SPAN, Wireshark was able to read ICMP packets (ping traffic) on the destination port that was sent across the configured source port, using an older PC. However, another newer PC was unable to read the traffic, despite identical co...
Hello Community I am trying to implement what should be an easy configuration, but I am facing some problems. I just need to mark some packets from the hosts connected to my system. I have some C2960XR running 15.2(4)E6. working as layer 3 devices. I...
I have an RSP-440 PSEQ-CBC detected power sequencer failure. What to do in that case.
Resolved! vss and nexus
Hello all, I wanted to migrate from cisco catalyst 6506 to cisco 4510 r+e and bring v.s.s up in a campus. so I have few questions regarding port channel config. we have nexus 5k as downstream devices and is it good way to have all the downlinks t...
I have a WS-C3850-48P switch that I am trying to upgrade. I have copied the new IOS over, but the 'software' command is not found. From sh ver: Switch Ports Model SW Version SW Image Mode ------ ----- ----- ---------- ---------- ---- * 1 56 WS-C38...
I have two Catalyst 2960 switches that are part of an inherited network and I am trying to get them connected to Cisco Network Assistant so I can easily backup the config before changing some settings on one of the ports. Both switches are model WS-...
Good Morning, For the Catalyst WS-C3850-48XS-E I would like to know if I configure two, of the 4 available, 40g interfaces for the Stackwise Virtual Link, Can the remaining two be used for normal network connections ? In short, the use of two 40...
Hello Guys, @Julio E. Moisa @Francesco Molino @Joseph W. Doherty @Leo Laohoo @Richard Burts following is the output of trunk interface which is connected with Firewall. #show interfaces g4/43GigabitEthernet4/43 is up, line protocol is up (conne...
Hello community, Hi have a Cisco Catalyst 6807-XL and some line cards as supervisor VS-SUP2T-10G, a module C6800-32P10G, a module WS-X6904-40G-2T, power supplies,... I read the EoL https://www.cisco.com/c/en/us/products/collateral/switches/cataly...
Resolved! No data on RSPAN Destination port
Quick question. Should I be able to see the counters increment on a RSPAN monitoring port, see the example below, I have two destination ports going into ISE. I have been having trouble with DHCP profiling. I checked that all connections were up...
Resolved! Cannot ping ASAv ouside
I have two ouside nodes. VPC2 and R6. I can ping from VPC1 to VPC2 and Can not ping from VPC1 to R6. Please help me. R4 - L2 IOU 15.2d ASAv - ASAv-971 R6 - L3 IOU 155-2.T ! ! https://drive.google.com/open?id=1jvHXyq5dmaUMJ__8jwpxYNmrlwUPjG55
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