Hello, i have a simple question.If I set for example ARP timeout for 10mins and no traffic is received or transmited for 10hours. So questions do ARP timeout after 10mins will refresh it's ARP table with ARP request or no even wit...
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Forum Posts
Hi Expert,Anyone can explain about this command working? I have problem about high CPU on 4500 switch when used RSPAN but when i deploy 'access-list hardware capture mode vlan' command the CPU was decreased. I went through the Cisco document but stil...
we are looking for a tool for a cisco routers health check and review the configuration and advise the update ,please advise for any tools
Hello all,I've noticed my "core"-router is sending out IGMPv2 query packets with "Options" in the IP header (RFC2113). I can't find why this is happening nor how to disable it. I've read a lot of information how to discard packets with "Options" enab...
Resolved! Simple HSRP Question
Hi All, Hoping to get some clarification around something I'm having trouble finding a definitive answer on in the Cisco Docs.My Question - If an HSRP interface whose priority is decremented based on a IP SLA tracked object being offline is re-increm...
I am not able to create more than 256 VLAN in Cisco Nexus 5010 switch. While creating I am getting "No VLAN resources available for VLAN creation" Details below - Switch model - 5010Software : NX OS 4.0 (1a)Error Message: Nexus_5010(config)# vlan 417...
Hello all,we have 2x CBS3010 (ie C3750 like for IBM BladeCenter) named SW1 and SW2.Both are connected with 1x uplink each to a central Catalyst 6500.The topology appears like a triangle and STP is needed to break loops.Question1:- if I stack both SW1...
Resolved! Switch, IPX and filtering
Hi all,I have couple C2960G and C3750. And I have very simple question.Is there any way to filter (on ingress port) type of traffic? I would like to allow IP only, and discard (i.e.) IPX, or other garbage, that any device can produce.I have tried to ...
Hello FriendsReferring to my topology, I have configured PBR on Schroeder Router, which supposed to do traffic control for telnet & ftp. Telnet traffic should flow through Lucy Router & FTP Traffic should go to Pigpen. But it is not happening...
Team,Could u pls give me the workaround for this error message.Logging to inside 172.16.1.100 errors: 5 dropped: 236What cause the errors.Thx
Resolved! Logging On Syslog
Hello FriendsI have a question, is there any way to configure (logging or snmp on) the router so it can send all the typed cmd to syslog sever? RegardsSabby
Hi all,I am using cisco c3660 to act as Terminal Server for the communication of production machines in my company, recently there is a communication lost issue happen and its due to physical cable unplug from the machine. to troubleshoot for this is...
Hi.I'm having trouble understanding what the purpose of link local addresses are.Why can't mac addresses be used Initially like arp with IPv4.Why Is an address given In order to find another address ?
Resolved! dynamic arp inspection and arp request
Hi everybody1)Does a switch configured with dynamic arp inspection only inspect arp replies received on untrusted port by default or it also check arp request?Dynamic arp inspection according to my book checks target ip address, target mac address ca...
I'm going to be setting up a network with several VLANS and one of the VLANS will be a subnet hosting an FTP server that will be accessible to the Internet by IP only. I have read some stuff online about NAT hairpinning but can't seem to figure out h...
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