Core

Cisco Catalyst 6509

1000BASE-X Supervisor

Multilayer Switch Feature

Multilayer Switch Feature

WS-X6K-SUP1A-2GE

WS-F6K-MSFC2

WS-X6348-RJ-45

CatOS 8.1.(3)

12.1.20E2

Distribution

Cisco Catalyst 6509

1000BASE-X Supervisor

Multilayer Switch Feature

10/100BASE-TX Ethernet

WS-X6K-SUP2-2GE

WS-F6K-MSFC2

WS-X6348-RJ-45

CatOS 8.1.(3)

12.1.20E2

Access

Cisco Catalyst 3550

48 inline power Ethernet

2 Gigabit Ethernet ports

WS-C3550-48-EMI

12.1.20-EA1

1

Is it possible to increase the core capacity?

□ Yes

□ No

2

Do core layer devices have the required system resources, including backplane utilization, packet forwarding capability, CPU and memory to support redundant core failover, and fast Layer 2 and Layer 3 convergence?

□ Yes

□ No

3

If a Layer 2 core is used, will the Layer 3 neighbor count scale to the required growth?

□ Yes

□ No

1

Does the campus core support redundant and modular core layer devices?

□ Yes

□ No

2

Do Layer 3 equal-cost paths exist through the campus core for optimal routing convergence?

□ Yes

□ No

3

Are core layer devices environmentally controlled and power protected for higher availability?

□ Yes

□ No

1

Are links between core layer devices and distribution layer devices hard configured for matching speed and duplex settings?

□ Yes

□ No

2

If a Layer 3 core is used, are the interfaces configured with point-to-point subnets?

□ Yes

□ No

3

Is ISL trunking or 802.1Q trunking eliminated from core layer devices?

□ Yes

□ No

1

Does the distribution layer have increased bandwidth to handle access scalability, access aggregation, and distribution failover?

□ Yes

□ No

2

Do the distribution layer devices have sufficient backplane, CPU, and memory resources for the required multilayer switching and features (including Hot Standby Routing Protocol [HSRP])?

□ Yes

□ No

3

Do distribution layer devices have the required resources to support LAN campus QoS parameters deployed at the distribution layer?

□ Yes

□ No

1

Does the distribution layer have redundant devices that can handle bandwidth requirements when alternate or primary distribution connectivity is unavailable?

□ Yes

□ No

2

Has the organization anticipated failover and recovery scenarios with the chosen routing protocol, HSRP, and spanning-tree configuration?

□ Yes

□ No

3

Is trunking between distribution layer devices configured only for VLANs where high-availability server access is needed for multiple access switches?

□ Yes

□ No

1

In general, are VLANs maintained on two distribution layer switches and one access layer switch only, and not carried on any link between the distribution layer switches?

□ Yes

□ No

2

Are VLANs limited to two distribution layer devices and two access layer devices where high-availability access is needed?

□ Yes

□ No

3

Are management VLANs separated from user VLANs at the distribution and access layers?

□ Yes

□ No

1

Is spanning tree configured on distribution switches, even when loops are not planned?

□ Yes

□ No

2

Are the two distribution switches configured as alternating roots and secondary roots for alternating VLANs, with corresponding HSRP active and HSRP standby routers, for load balancing and redundancy?

□ Yes

□ No

3

Has Backbone Fast been set for all distribution switches?

□ Yes

□ No

4

Do links between access and distribution layer devices have hard-coded matching speed and full-duplex settings?

□ Yes

□ No

5

Has trunk mode been set explicitly to on for trunking ports?

□ Yes

□ No

6

Has channel mode been set to desirable for port channels?

□ Yes

□ No

7

Is Uni-Directional Link Detection (UDLD) configured for switch-to-switch connections?

□ Yes

□ No

1

Does the access layer support 10/100-Mbps switched connections for all user end stations?

□ Yes

□ No

2

Does the access layer support 100- or 1000-Mbps switched connections for all server and distribution connections?

□ Yes

□ No

3

Does the access layer device support multiple queues to prioritize voice traffic where needed?

□ Yes

□ No

4

Can the access layer devices handle peak utilization from servers and clients?

□ Yes

□ No

1

Do you have a hub-and-spoke topology network?

□ Yes

□ No

2

Will the WAN have redundant links to support high availability across the WAN?

□ Yes

□ No

1

Do you collect a baseline for your WAN (intended to support Cisco IP Telephony) that includes link utilization, queue depth, end-to-end packet delay, CPU, and memory?

□ Yes

□ No

2

Has the organization determined the potential impact of Voice over IP (VoIP) traffic in the WAN in terms of bandwidth utilization and system resources?

□ Yes

□ No

3

Does the current baseline and added traffic suggest that utilization and system resources are well within network capabilities, including peak link utilization below 75 percent and WAN links with a minimum of 128 kbps?

□ Yes

□ No

1

Will the WAN be upgraded to support Cisco IPT solutions to help ensure consistent voice performance?

□ Yes

□ No

2

Will WAN links that support voice traffic meet minimum bandwidth requirements for Cisco IPT deployments? (64-kbps frame, 64-kbps leased line, or 768-kbps ATM or ATM/Frame Relay is required.)

□ Yes

□ No

3

In Frame Relay environments, will the organization have committed information rate (CIR) in the Frame Relay network for voice and configure traffic shaping to the CIR to guarantee voice traffic within the Frame Relay network?

□ Yes

□ No

4

In ATM environments, will the organization use ATM traffic classes such as constant bit rate (CBR) or variable bit rate real time (VBR-rt) to guarantee critical voice traffic across the ATM network and shape ATM traffic to the guaranteed bandwidth?

□ Yes

□ No

5

Will the WAN have adequate bandwidth to support peak voice usage across the WAN?

□ Yes

□ No

1

Provide the information on current IP addressing scheme.

2

Does your organization have an IP addressing plan for integrating IP phones into the network?

□ Yes

□ No

3

Does the organization have plans to implement RFC 1918 for private addressing?

□ Yes

□ No

4

Does the IP addressing plan support IP address summarization?

□ Yes

□ No

1

Has the organization implemented Open Shortest Path First (OSPF) or Enhanced Interior Gateway Routing Protocol (EIGRP) for improved network convergence?

□ Yes

□ No

2

Does the organization use any other routing protocols that redistribute to/from the primary EIGRP or OSPF autonomous system?

□ Yes

□ No

3

Does the organization maintain standard routing protocol configurations for all routers in the network?

□ Yes

□ No

4

Are static routes confined to network edges for partner connectivity or ISDN backup?

□ Yes

□ No

5

Has the organization implemented IP summarization toward the core to reduce routing protocol overhead and ensure IP scalability?

□ Yes

□ No

6

Has the organization implemented stub or default routing in WAN hub-and-spoke environments to reduce routing protocol traffic overhead on WAN links?

□ Yes

□ No

7

Has the organization reviewed routing protocol impact and scalability based on device types, number of routes, and IP routing protocol neighbors?

□ Yes

□ No

8

Is routing disabled on user and server LAN interfaces to prevent core routing through user LANs?

□ Yes

□ No

9

Is routing filtered on access site WAN interfaces to advertise only WAN site information?

□ Yes

□ No

10

What other interior routing protocols are used in the network other than IP?

List:

1

Does the network use HSRP for redundant default gateway support?

□ Yes

□ No

2

Does the organization understand convergence issues given the number of HSRP groups supported on the device?

□ Yes

□ No

3

Does the network use the HSRP preempt feature to return control to the primary gateway, closely associated with the spanning-tree root for the VLAN?

□ Yes

□ No

4

Has the organization considered the HSRP track feature that is used to track backbone or WAN connectivity from the primary HSRP gateway?

□ Yes

□ No

1

Can auxiliary VLANs with 802.1Q/p be used for voice?

□ Yes

□ No

2

Can the voice bearer streams be marked as EF (Expedited Forwarding) and voice control streams as AF31 (Assured Forwarding 31)/CS3 (Class Selector 3)?

□ Yes

□ No

3

Is QoS configurable on devices where buffers might be reaching capacity?

□ Yes

□ No

4

Is Low Latency Queuing (LLQ) configurable on all WAN interfaces?

□ Yes

□ No

5

Is Link Fragmentation and Interleaving (LFI) configurable on all links where speed is below 768 kbps?

□ Yes

□ No

6

Do you have any mission-critical traffic besides voice (e.g., video, DLSW, etc.)? If Yes, please specify the traffic types and how they are currently classified in your network.

□ Yes

□ No