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potential multicast RPF issue - PIM-DM (IOS XE 17.12.06)

Hi,  I have 4 multicast sources sending traffic each to two multicast groups, as follows:  10.65.190.1 -> 224.64.64.110.65.190.1 -> 224.64.64.510.65.190.2 -> 224.64.64.110.65.190.2 -> 224.64.64.5 The traffic enters the router via a VLAN interface con...

JAN MARIS by • Level 1
  • 192 Views
  • 7 replies
  • 0 Helpful votes

Switch Control Plane Traffic

I want to know about how a Switch forward it's control plane traffic like cdp/vtp/dtp messages on a trunk. Will they be forwarded with tag or untagged and why??

OSPFv3 Type 8 LSA Purpose

Hello, everyone. Why are link-local addresses that are used for next hops advertised in type 8 LSAs? Doesn't the router already know them considering that they are used to form the OSPFv3 adjacency? Thank youDavid

Mitrixsen by • Level 1
  • 77 Views
  • 0 replies
  • 0 Helpful votes

Slow IOSv in eve-ng

The IOSv images working very slow or laggy in eve-ng?? I even increased the ram and the cpu but still the same result. Anyone got any fixaround here?

hitahguja01 by • Community Member
  • 112 Views
  • 1 replies
  • 0 Helpful votes

MTU in CCTV Networks

Hi All,  I'm doing some self-guided Wireshark training on Udemy in order to better understand and troubleshoot my network. One of the topics today was retransmission, which I see a lot of in my captures and something I haven't been able to understand...

dbronco by • Level 1
  • 492 Views
  • 12 replies
  • 0 Helpful votes

5440 Endpoint abandonded EAP session and started new

Hi All,Recently, we migrated our enterprise Wi-Fi authentication method from PEAP to TEAP (inner auth EAP-TLS). Since then, many users have been experiencing disconnections while their sessions are active.In the morning, the Wi-Fi connects and works ...

henokk60 by • Level 1
  • 109 Views
  • 1 replies
  • 0 Helpful votes

Incoming connections timeout or slow when do connect. isrc1111

i have had the system i have in place for some time and had no problems, when using a 2 router approach [isp1 and isp2] but since i merged both onto 1 device, ISRC111 there is an issue with incoming connections via isp1. i am using the same acl's and...

TheGoob by • VIP
  • 531 Views
  • 17 replies
  • 0 Helpful votes

Tagging

I read that CDP, VTP, and PAgP updates are always forwarded on trunks with a VLAN 1 tag. https://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/24330-185.htmlBut what I saw in the capture that these updates(I just checked c...

cisco SSE ZTNA issue with SMB Traffic

Hello Community,we are facing an issue with the SSE Ztna when we are trying to Access SMB server through a Tunnel. the behaviour is so strange when we have tested with Customer org Laptop it is not access the File server but from a laptop not from th...

ISE API - Endpoint Attributes

Hello,I've been poking around at the various ISE APIs including exporting endpoints via context visibility (CSV file exports) and not finding a way to export the endpoint WITH the inactivity days attribute.  We have devices that the users may not tel...

ryanmbess by • Level 1
  • 191 Views
  • 2 replies
  • 0 Helpful votes

SDWAN OS hardening

I’ve been tasked with reviewing OS hardening for several Cisco devices. For traditional routers and switches, I’ve been using the CIS Cisco IOS XE and CIS Cisco NX-OS benchmarks. For Cisco SD-WAN edge routers, what is the recommended benchmark or bes...

viskanmai72 by • Community Member
  • 197 Views
  • 3 replies
  • 0 Helpful votes

DS-C9132T-MEK9 - connect datacenters

Hello , can you please tel me if i need additional licenses something like Brocade Extended Fabrics for DS-C9132T-MEK9 switch?  we have to connect two datacanters about 5 km far away from each other

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