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Activity in Technology and Support

BGP dual multi homed how to favor 1 of the 2 ISPs

I have a 2 ISP and 2 WAN router setup.  ISP 1 connects to WAN router 1, and ISE 2 connects to WAN router 2.  IBGP is set between the 2 WAN routers.  Currently both ISPs are 1 Gbps.  Today, we don't do any manipulation on the BGP and ~ 70% of the traf...

tachyon05 by Level 1
  • 203 Views
  • 4 replies
  • 0 Helpful votes

Guest Portal authentication behaviour

Hello team,   I have set up a Sponsored Guest Portal with ISE and WLC9800. Everything works as intended but I have an issue that I don't know if it's solvable. When a guest submits a request for credentials to the sponsor, their device is effectively...

GRE over GRE over IPSec

I have an ASR 1006 (16.12.8) connecting to a C8500L (17.09.04a). We put a crypto map on the circuit to encrypt everything between devices. I then have a GRE tunnel using the circuit IPs as the tunnels source and destination IP's. The tunnels is using...

Screenshot 2025-05-20 103741.png

SG250X-48P login not possible

Hello I have a SG250X-48P since some years.I updated it from 2.5.5.x to latest version 2.5.9.54. After this update I had a problems with performance.So I decided to go back to the backup image 2.5.5.x but after this I could not login anymore.So I did...

powerstat by Community Member
  • 147 Views
  • 7 replies
  • 0 Helpful votes

Error opening tftp 216.20.30.242

when i tried to copy running-config tftp: 216.20.30.242 to all routers it comes up with "Error opening tftp://   ... (timeout)" for all routersas there are some problems with my VLSM & each router needed to have 10 static routes in it, which I haven'...

Vishnu by Level 1
  • 530 Views
  • 14 replies
  • 0 Helpful votes

Slip Errors Between Avaya and C8300

Hello,Our call center has an Avaya phone switch that connects to a pair of Cisco C8300s via fiber:Route1 = Avaya -> Media Converter -> Fiber -> Media Converter -> C8300 T1 -> CUCM  Route2 = Avaya -> Media Converter -> Fiber -> Media Converter -> C830...

b-krull by Level 1
  • 5 Views
  • 0 replies
  • 0 Helpful votes

Unable to download CML-Free

I am trying to download to the CML-Free .iso and .ova files but unable to do so.Whenever i try to dowload, it gives the below message, even though i have already added the address in my profile-Thank you for registering with Cisco.com. In order to co...

Resolved! How to Identify Root Port in STP

in my Cisco 6509 Switch , the Spanning Tree for every VLAN shows me a separate mac address for the Designated Root Porte.x Designated root has priority 32768, address 000b.fc38.f81aBut I don't see any port on this switch that shows this mac address ...

s.pabbi by Level 1
  • 7204 Views
  • 9 replies
  • 0 Helpful votes

C9166Iのチャネル自動割当について

お世話になっております。この度、無線APをC9166Iに置き換えしたのですが、全ての無線APがチャネル36で起動してしまいます(チャネル設定は自動)また、動的チャネル割り当てアルゴリズムの間隔は24Hで設定しておりますが、24H経過してもチャネル36から変わらず、チャネル干渉により通信が不安定となる事象が発生しております。(24H間隔で自動的にチャネル干渉が起こらないように調整される認識です) これはWLCの設定の問題なのか、それ以外の問題なのかご存知の方いらっしゃいますか。よろしくお願いいたし...

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Yuki T by Spotlight
  • 27 Views
  • 2 replies
  • 0 Helpful votes

Implementation of Nexus Dashboard

Hello,I want to implement the Nexus Dashboard at my place, but I don't understand too much about the implementation models.1) To start with, I want Fabric Controller and Insights. Can I run this on a single node?2) If so, can I expand this to more no...

User24571 by Level 1
  • 20 Views
  • 0 replies
  • 0 Helpful votes

C9800 Wireless QoS Best Practice Advise

Hi,I need advise on this setup, is that normal, need modification? anything else to consider?Environment setup: C9800 with 9K switches and APs - mode is Flex mode local switching and AP ports are trunkusers : apart from wired, there is a particular S...

NajibAkbari_0-1747942194954.png NajibAkbari_1-1747942225121.png NajibAkbari_2-1747942258370.png

C8200L-1N-4T license for ipsec

Hi, Have purchased C8200L-1N-4T from a reseller partner. We need to establish ipsec tunnel with this router to another router. Can you confirm it has necessary license with it or any other license needed for ipsec. Below is the Sh License all output ...

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