Networking

Customer is receiving unexpected traffic through BGP

Greetings,The customer has 2 BGP links towards us, separated dual homed (PE1-CE1 & PE2-CE2), who is asking why they are receiving traffic on link No.1 even they have already configured route-map to deny all routes imported from & exported to PE1. The...

Resolved! Questions about L2 VPN ping

Greetings,On an international L2 VPN service, the customer is complaining about latency.Here are several ping tests on the 2 PE routers:RouterA#ping mpls pseudowire b.b.b.b vcid source a.a.a.a repeat nSuccess rate is 100 percent (100/100), round-trip...

Resolved! SFP+ SFP-10G-T-X compatible with Cisco3850?

Hi, can anyone please advise whether SFP+ cisco SFP-10G-T-X can be used on cisco 3850 network module? thanks in advance!

sdwan vs mpls or dedicated lines

From the business aspect, why would we recommend a client to use sdwan vs mpls or dedicated lines

ADVPN vs a Full-Mesh

What are the advantages of using ADVPN vs a full-mesh? Please need support. Thanks

IP routing using domain

The host for my current server (Windows Hyper-V machine with four or five VMs) that handles my email and web sites is going away. I'm planning on moving that physical server to my house and using DDNS to route that traffic in. Realize this is very lo...

SNMP OID temperature

Helo SIRplease help me, I want to add a temperature switch graph to the cacti, how do I do it? how many OIDs do I need to add to the cacti? I use Cisco WS-C2960L-48TS-LL and C9300-48T-4X-E switches, thank you

BGP multicast address

What is the multicast address used by BGP to operate

Which IPv6 address range is suitable for anycast addresses. list below

Which IPv6 address range is suitable for anycast addresses for distributed services such as DHCP or DNS?2001:db8:0234:ca3e::1/1282002:db84:3f30:ca84:be76:2/64The first one isn't a range. but people are saying that the second one is invalid. But why?

API work with python

Hi We are configuring cisco devices via python. and also trying to exploring with API. When using API, there are some connection issues which are not clear yet. So I would like to know what kinds of cisco device can support API. and how can we use AP...

Help with extended access list

So I've been working on my project and I've implemented vlans nad also router stick.Now I want to block connections between vlans that are not same with extended access list but something does not work..Here are the commands that I've writtenip acces...

Mounting catalyst switch port direction to the hot corridor. Ok or not

1Gb catalyst switches has air intake from front and side and exhaust to the back. And no versions with reverse-airflow.I know many places where such switches installed port side to the hot corridor - so it intake hot air and blow to direction of col...

Switch: Prompt 3650

Hi all, I have a 3650 stuck in the switch prompt. I've tried to set the IP address using the below commands so that I can upload the IOS, but I am unable to. set IP_ADDR Set DEFAULT_ROUTERbelow is the file system outputswitch: dirList of filesystems ...

Resolved! Nexus ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet is down

Hello,I have a Nexus 9K trunked to a C9200LOn the Nexus 9K the port is:interface Ethernet1/19switchportswitchport mode trunkswitchport trunk native vlan 888switchport trunk allowed vlan 1,254,995no shutdownOn the C9200L the port is:interface TenGigab...

separate wireless traffic from LAN traffic

I have some branch locations with a simple set up. A router with an access switch connected to it, then another access switch connected to that one to provide POE to IP phones. Currently all devices are in the same VLAN.I also have an access point co...

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