E1 − OSPF external type 1, E2 − OSPF external type 2, E − EGP

i − IS−IS, L1 − IS−IS level−1, L2 − IS−IS level−2, ia − IS−IS inter area

*− candidate default, U − per−user static route, o − ODR P − periodic downloaded static route

Gateway of last resort is 200.1.1.2 to network 0.0.0.0

200.1.1.0/30 is subnetted, 1 subnets

C200.1.1.0 is directly connected, GigabitEthernet1/0/10 10.0.0.0/24 is subnetted, 3 subnets

C10.1.10.0 is directly connected, Vlan10

C 10.1.3.0 is directly connected, Vlan3

C 10.1.2.0 is directly connected, Vlan2

S* 0.0.0.0/0 [1/0] via 200.1.1.2

Catalyst 2950

show vtp status

Cat2950#show vtp status

 

 

VTP Version

:

2

Configuration Revision

:

3

Maximum VLANs supported locally :

250

Number of existing VLANs

:

8

VTP Operating Mode

:

Client

VTP Domain Name

:

cisco

VTP Pruning Mode

:

Disabled

VTP V2 Mode

:

Disabled

VTP Traps Generation

:

Disabled

MD5 digest

:

0x54 0xC0 0x4A 0xCE 0x47 0x25 0x0B 0x49

Configuration last modified by 200.1.1.1 at 3−1−93 01:06:24

show interfaces trunk

Cat2950#show interfaces trunk

 

 

Port

Mode

Encapsulation

Status

Native vlan

Gi0/1

desirable

802.1q

trunking

1

Port

Vlans allowed on trunk

 

 

Gi0/1

1−4094

 

 

 

Port

Vlans allowed and active in management domain

Gi0/1

1−3,10

 

 

 

Port

Vlans in spanning tree forwarding state and not pruned

Gi0/1

1−3,10

 

 

 

Catalyst 2948G

show vtp domain

Cat2948G> (enable) show vtp

domain

 

 

 

Domain Name

 

 

 

Domain Index VTP Version

Local Mode

Password

−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−

−−−−−−−−−−−− −−−−−−−−−−−

−−−−−−−−−−−

−−−−−−−−−−

cisco

 

 

 

1

2

client

Vlan−count Max−vlan−storage

Config Revision Notifications

 

 

−−−−−−−−−− −−−−−−−−−−−−−−−−

−−−−−−−−−−−−−−− −−−−−−−−−−−−−

 

 

8

1023

 

3

 

disabled

 

 

Last Updater

V2 Mode Pruning

 

PruneEligible on Vlans

 

 

−−−−−−−−−−−−−−− −−−−−−−− −−−−−−−− −−−−−−−−−−−−−−−−−−−−−−−−−

Cisco − Configuring Inter−VLAN Routing with Catalyst 3750 Series Switches in a Stacked Configuration

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Image 13
Cisco Systems 3750 manual ∙ show vtp domain

3750 specifications

The Cisco Systems 3750 series is a family of enterprise-class stackable switches that were designed to provide high-performance networking solutions for organizations requiring robust management features, security, and scalability. Known for their reliability and advanced capabilities, the 3750 series is particularly aimed at accommodating the demands of LAN environments in organizations ranging from small businesses to large enterprises.

One of the defining features of the Cisco 3750 series is its StackWise technology. This innovative feature enables the stacking of up to nine switches together, allowing them to function as a single logical unit. This results in simplified management, higher redundancy, and increased scalability. The StackWise technology allows for seamless failover and enhanced bandwidth between the stacked switches.

In terms of performance, the 3750 series supports Layer 2 and Layer 3 switching, offering routing capabilities to handle both traditional and modern network demands. It is equipped with advanced Quality of Service (QoS) features, ensuring that critical applications such as voice and video are prioritized for optimal performance.

The Cisco 3750 also features extensive security capabilities. It incorporates features such as IEEE 802.1X authentication, DHCP snooping, and dynamic ARP inspection to protect against unauthorized access and various network attacks. These enhancements help maintain data integrity and secure communications across the network.

Another noteworthy characteristic of the 3750 series is its support for Power over Ethernet (PoE). PoE allows for the delivery of power over Ethernet cables to connected devices, such as IP phones and wireless access points, facilitating simpler installations and reducing the need for additional power outlets.

The Cisco 3750 series also provides a comprehensive set of management tools. With features like Cisco's Embedded Event Manager (EEM) and extensive SNMP support, network administrators can efficiently monitor and manage network performance, troubleshoot issues, and maintain high availability.

Additionally, the series is compatible with Cisco's IOS software, which provides a rich set of features, including advanced routing protocols, multicast support, and extensive security options, further enhancing the functionality and versatility of the switches.

Overall, the Cisco Systems 3750 series stands out for its stackable design, high-performance features, security capabilities, and management tools, making it a popular choice for organizations looking for dependable and scalable networking solutions.