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GVRP Configuration

Generic Attribute Registration Protocol (GARP) VLAN Registration Protocol(GVRP) is an application defined in the IEEE 802.1Q standard that allows for the control of VLANs. GVRP runs only on 802.1Q trunk links. GVRP prunes trunk links so that only active...

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VTP and vtp prunnig

VLAN Trunking Protocol VTP sends messages between trunked switches to maintain VLANs on these switches in order to properly trunk. VTP is a Cisco proprietary method of managing VLANs between switches and runs across any type of trunking mechanism. VTP...

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Cisco's Hot Standby Router Protocol

HSRP is Cisco's standard method of providing high network availability by providing first-hop redundancy for IP hosts on an IEEE 802 LAN configured with a default gateway IP address. HSRP routes IP traffic without relying on the availability of any single...

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Multilayer switching vlan basics

Question: i just read the chapter about intervlan routing , i got no problem with legacy or router on a stick, but i can't understand how to configure a WS-C3560X-48T-L to route packets. i had tried a really easy topology on packet tracert , 2 pc on 2...

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Order of Operations for an Interface

Following is a listing of the order of interface operations for traffic flowing from the inside network into the outside network Encryption performed TCP intercept feature applied Cisco IOS Firewall inspection performed Output ACL applied Crypto map application...

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VRRP feature

Often one of the least redundant parts of a network is the first hop between a host and the rest of the network. This is because they are typically configured with a default gateway IP address that links to a single device. Should this device fail, then...

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Passive interface question

Question: Just a small query on the use of passive-interface. Say I have a router with 2 interfaces, 1 fast ethernet (LAN) and 1 serial. I configure the serial interface for RIP using network 192.168.1.0. Now if I DONT use the network command to configure...

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Search on a range of IP's in an ACL

Question: I need to determine the best CLI syntax to efficiently search a config for a vast range of unused IP addresses. Every IP address in the following ranges is no longer used so I would like to clean up the existing config. I am finding it difficult...

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