Hi all, I have two 2801 that extend my lan using a 2Mbit SDH link.I have bridged ethernet with serial interfaces on each router. (I can't use L2TPv3 or routing)Now, how can I do if I want to encrypt traffic between serial interfaces?I have tried with...
Switching
Discuss Catalyst brand switches with peers and experts.
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for
- Cisco Community
- Technology and Support
- Networking
- Switching
Options
- Mark all as New
- Mark all as Read
- Float this item to the top
- Subscribe
- Bookmark
- Subscribe to RSS Feed
- Threaded format
- Linear Format
- Sort by Topic Start Date
Labels
-
2960X stack issue
(1) -
9200L Bundle Install Mode
(1) -
9300
(1) -
AAA
(7) -
Access Control Server (ACS)
(2) -
ACI
(2) -
ACI App Center
(1) -
AMP for Endpoints
(1) -
Announcements
(3) -
Application Networking
(1) -
Assurance and Policy
(1) -
Autres sujets de Commutation
(1) -
Autres sujets de Routage
(1) -
boot
(1) -
Branch Router
(755) -
Buying Recommendation
(331) -
BYOD
(1) -
C1000 cluster
(1) -
c3850
(1) -
c9200
(1) -
C9200-24P-E Support Contract
(1) -
C9500-16X
(1) -
Catalyst
(1) -
Catalyst 2000
(1,816) -
Catalyst 3000
(2,632) -
Catalyst 4000
(935) -
Catalyst 6000
(887) -
Catalyst 8000
(96) -
Catalyst 9000
(3,810) -
Catalyst 9000 Switches
(9) -
Catalyst Switch
(30) -
Cisco ACI
(3) -
Cisco Annual Internet Report
(1) -
Cisco Bugs
(22) -
Cisco Cafe
(92) -
Cisco Catalyst Center
(26) -
Cisco Digital Network Architecture-DNA
(3) -
Cisco DNA Assurance
(1) -
Cisco DNA Automation
(1) -
Cisco DNA Center
(2) -
Cisco Firepower Management Center (FMC)
(1) -
Cisco IE-2000(U) EIGRP vs EIGRP Stub
(1) -
Cisco ONE
(5) -
Cisco Press Cafe
(3) -
Cisco Software
(74) -
Cisco Spaces
(2) -
CISCO START ASEAN
(3) -
Cisco Start India
(5) -
Cisco SW
(1) -
Cisco User Groups
(1) -
Cisco.com Idea Center
(5) -
CiscoChat
(6) -
Cloud Networking
(2) -
Collaboration
(1) -
Collaboration Endpoints
(1) -
Collaboration Solutions
(5) -
Community Bug or Issue
(9) -
Community Feedback Forum
(129) -
Community Ideas
(59) -
Commutation
(2) -
Compliance and Posture
(1) -
Conferencing
(1) -
Configuration
(12) -
Contact Center
(1) -
CSC Content with No Valid Community to Post
(12) -
Data Center
(1) -
Data Center Networking
(3) -
Desk Endpoints
(1) -
Device Admin
(7) -
EEM Scripting
(5) -
Email Security
(2) -
etherchannel
(1) -
Firewalls
(1) -
General
(3) -
Guest
(1) -
Identity Services Engine
(1) -
Identity Services Engine (ISE)
(6) -
Industrial Switching
(1) -
Integrations
(1) -
Intent Based Networking
(1) -
iOS
(1) -
IOS issue
(1) -
IOS Version
(1) -
ios xe
(1) -
IP Phone and Accessories
(1) -
IP Phones and Accessories
(1) -
IPS and IDS
(1) -
IPv6 Configuration
(1) -
ISR 4000 Series
(1) -
LAN
(9) -
LAN Switching
(20,065) -
LAN Switching and Routing
(1) -
License
(1) -
Meraki
(1) -
Meraki Switch
(167) -
Movilidad
(1) -
Multi-Domain
(1) -
Network Assurance
(1) -
Network Management
(101) -
Network Security
(1) -
network stich issue
(1) -
Networking
(3) -
New Document Idea
(3) -
Nexus
(1) -
Nexus 7000
(1) -
Nexus 9000
(1) -
Nexus Dashboard Insights
(1) -
Nexus Series Switches
(3) -
NGIPS
(1) -
NX-OS
(1) -
Online Chat Support
(2) -
Online Tools and Resources
(4) -
Optical Networking
(11) -
Other Cisco DNA
(3) -
Other Cisco.com Ideas
(1) -
Other Collaboration Applications
(8) -
Other Collaboration Endpoints
(3) -
Other Collaboration Topics
(18) -
Other Community Feedback
(9) -
Other Data Center Switches
(2) -
Other Data Center Topics
(1) -
Other Identity Services Engine (ISE)
(1) -
Other IP Telephony
(1) -
Other NAC
(3) -
Other Network
(18) -
Other Network Architecture
(1) -
Other Network Security Topics
(8) -
Other Networking
(24) -
Other NGFW Firewall Topics
(1) -
Other NGFW Firewalls Topics
(1) -
Other Policy-Access Topics
(2) -
Other Routers
(7) -
Other Routing
(10) -
Other Routing and Switching topics
(13) -
Other SD-WAN
(2) -
Other Security Topics
(3) -
Other Storage Networking
(1) -
Other Switches
(6,066) -
Other Switches Routing
(8) -
Other Switching
(74,919) -
Other Wireless - Mobility Subjects
(1) -
Other Wireless and Mobility Subjects
(7) -
Peripherals
(2) -
Physical Security
(2) -
Positive Feedback
(3) -
Primary boot loader issue
(1) -
Prioritization
(1) -
Remote Access
(1) -
Room Endpoints
(1) -
Routing
(173) -
Routing Protocols
(11) -
SD-Access
(4) -
SD-WAN
(1) -
Security
(1) -
Security Management
(3) -
Security Policy-Access
(2) -
Small Business Network and Smart Storage
(1) -
Small Business Routers
(2) -
Small Business Security
(1) -
Small Business Support Service
(1) -
Small Business Switches
(33) -
Small Business Wireless
(1) -
Smart Call Home
(1) -
smart net total care portal and collector
(1) -
Software Upgrades
(8) -
Storage Networking
(4) -
Support
(7) -
Switches
(20) -
Switching
(34) -
Switching or Switches
(2) -
Swtiches
(3) -
Technical Documentation
(11) -
Technical Documentation Ideas
(1) -
UCCE CTI Protocol
(1) -
UCS Networking and Storage
(2) -
UCS Solutions
(1) -
Unified Computing System (UCS)
(3) -
Update Document
(1) -
Voice Gateways
(1) -
VPN
(1) -
WAN
(401) -
Webex Meetings
(1) -
Wi-Fi 6
(72) -
Wired
(5) -
Wireless Controllers
(1) -
Wireless Network Management
(1) -
Wireless Security and Network Management
(2) -
XR OS and Platforms
(3) -
YANG Development Kit (YDK)
(1) -
ルータ一般 (IOS & IOS-XE)
(1)
- « Previous
- Next »
Forum Posts
I feel slightly embarrassed to be asking this but I have to know.I have a project where the project team has asked me to build a flat network. There will be approximately 10,000 hosts.Half of those 10,000 hosts will be very low traffic (former 9600 ...
Hi All,I need to ask 2 questions regarding 4506E series Chassis.1.) Is it possible to order a 5-15R power receptacle for Cisco4506E series chassis?2.) Can we power on Cisco4506E series chassis with 15-Amp current/120 Volt? Please let me know, if furt...
Hey guys,I'm not well versed with this model and here's my problem. I already had an IOS in bootflash, but as I entered the new one and gave my 4507R-E a "boot system bootflash:NameOfIOS" command....it completely ignored and autobooted on the first I...
Hi,We use a dedicated VLAN as the native VLAN for trunk ports on our Catalyst switches. This VLAN is not used on any access ports. Is there any advantage of allowing this VLAN over the trunk or could we only allow the VLANs used by hosts?In other wor...
Does anyone know of any documentation for Load balancing on a catalyst 3560e switch with vlans.**I have very limited skills when it comes to Cisco or any other networking devices.Kind Regards,Lee.
Dear All,I have cisco catalyst 6513 switch which contains on supervisor engine 720 , FWSM,CMM , and IPS module could anyone advice me how can I choose the best IOS applicable for these all modules also doesn't make overload on the core switch.your fa...
Sup-32 failing to boot. See below error messageSystem Bootstrap, Version 12.2(17r)SX3, RELEASE SOFTWARE (fc1)Technical Support: http://www.cisco.com/techsupportCopyright (c) 2004 by cisco Systems, Inc.: wrote 0x, read 0x: wrote 0x, read 0x packets - ...
Resolved! Internet management for receive traffic?
Our internet pipe is getting pounded (receive/return traffic) since we upgraded our school's T1 to Gig. My question, would the only way to improve the congestion be with a bandwidth upgrade? I can't perform policing or shaping on received traffic f...
Hello all,I am having an issue while trying to create a VLAN/SVI interface on my 6500 Metro Ethernet Aggregator.I am receiving an error message that I cannot create an SVI without having the vlan added on the L2 vlan database, but the issue is that t...
Hello!I'm trying to configure GVRP between two SPS224G4 switches, but without success.Switch A, port e24 is connected to Switch B, port e1sw3# show runinterface ethernet e24description sw4:e1exitinterface range ethernet e(1,24)switchport mode trunkex...
Resolved! router acl
If we create an access list to allow a data traffic from inside to outside of the router, will the return traffic be allowed back if it belongs to the same session or do we need to have an acl on the reverse direction also.Thanks.
Resolved! a simple QoS technical question
According to my reading about catalyst switches, I understand one thing, that is whatever you trust, the system will eventually put change to DSCP for future QoS process. So, what is the main issue to configure truest CoS, or ip-precedence for?
Resolved! vlan security
i have a requirement to do security on specific vlan. Only this segment needs to go out to access some applications.Can i do it by creating a layer2 vlan which would not allow it to mingle with other segments within?Please advise if this is fine or i...
Resolved! ntp authentication fails
Hello,NTP authentication is supposed to be simple, but not really....I suspect it could be an IOS issue because when I enable NTP on a Catalyst 6509 (s72033_rp-IPSERVICESK9_WAN-M), Version 12.2(33)SXI1) with NTP authentication and configure another 6...
Learn, share, save
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide
Unanswered Topics
| Subject | Author | Posted |
|---|---|---|
| 04-23-2025 06:26 AM | ||
| 04-23-2025 06:18 AM | ||
| 04-19-2025 09:40 AM | ||
| 04-15-2025 04:52 AM | ||
| 04-11-2025 03:44 AM |
New solutions
Top Solution Authors
| User | Count |
|---|---|
| 9 | |
| 6 | |
| 5 | |
| 3 | |
| 3 |
