Difference between revisions of "Route-map Cisco IOS"

From Teknologisk videncenter
Jump to: navigation, search
m (Enabling PBR on 3560 Switch platform)
m
Line 3: Line 3:
 
On the 3560 Switch platform you get the message '''%PLATFORM_PBR-4-SDM_MISMATCH: PBR requires sdm template routing''' when you apply a route-map to a Interface.
 
On the 3560 Switch platform you get the message '''%PLATFORM_PBR-4-SDM_MISMATCH: PBR requires sdm template routing''' when you apply a route-map to a Interface.
  
This is because the '''SDM''' (Switch Database Management) template. The SDM manages the layer 2 and layer 3 switching information that is maintained in the Ternary Content Addressable Memory ([[Cisco TCAM|TCAM]]). The [[Cisco TCAM|TCAM]] is used for forwarding lookups.
+
This is because the '''SDM''' (Switch Database Management) template. The SDM manages the layer 2 and layer 3 switching information that is maintained in the Ternary Content Addressable Memory ([[Cisco TCAM|TCAM]]). The [[Cisco TCAM|TCAM]] is used for forwarding lookups. See <ref>*[http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_25_se/configuration/guide/swsdm.html 3560 Configuring SDM Templates]</ref>
  
 
Looking at the default configuration the switch had the following SDM configuration.
 
Looking at the default configuration the switch had the following SDM configuration.
Line 53: Line 53:
 
= Links =
 
= Links =
 
*[http://www.cisco.com/en/US/tech/tk364/technologies_configuration_example09186a00801f3b54.shtml Cisco Policy-Based Routing Using the set ip default next-hop and set ip next-hop Commands Configuration Example]
 
*[http://www.cisco.com/en/US/tech/tk364/technologies_configuration_example09186a00801f3b54.shtml Cisco Policy-Based Routing Using the set ip default next-hop and set ip next-hop Commands Configuration Example]
 +
=References=
 +
<references/>
 
{{#css:
 
{{#css:
 
      
 
      
 
     pre {  font-family: Lucida Console; font-weight: bold; font-size: 14px; color: #00FF00; background: black; margin: 10px 50px; width: 800px; line-height: 200%; overflow: auto;}
 
     pre {  font-family: Lucida Console; font-weight: bold; font-size: 14px; color: #00FF00; background: black; margin: 10px 50px; width: 800px; line-height: 200%; overflow: auto;}
 
}}
 
}}
 +
[[category:Cisco]][[Category:CCNP]]

Revision as of 09:14, 12 December 2009

Policy-Based Routing or PBR with Cisco IOS.

Enabling PBR on 3560 Switch platform

On the 3560 Switch platform you get the message %PLATFORM_PBR-4-SDM_MISMATCH: PBR requires sdm template routing when you apply a route-map to a Interface.

This is because the SDM (Switch Database Management) template. The SDM manages the layer 2 and layer 3 switching information that is maintained in the Ternary Content Addressable Memory (TCAM). The TCAM is used for forwarding lookups. See [1]

Looking at the default configuration the switch had the following SDM configuration.

Core2#<input>sh sdm prefer</input>
 The current template is "desktop default" template.
 The selected template optimizes the resources in
 the switch to support this level of features for
 8 routed interfaces and 1024 VLANs.

  number of unicast mac addresses:                  6K
  number of IPv4 IGMP groups + multicast routes:    1K
  number of IPv4 unicast routes:                    8K
    number of directly-connected IPv4 hosts:        6K
    number of indirect IPv4 routes:                 2K
  number of IPv4 policy based routing aces:         <notice>0</notice>
  number of IPv4/MAC qos aces:                      512
  number of IPv4/MAC security aces:                 1K

Changing SDM Bias

Core2(config)#<input>sdm prefer routing</input>
Changes to the running SDM preferences have been stored, but cannot take effect
until the next reload.
Use 'show sdm prefer' to see what SDM preference is currently active.
Core2(config)#<input>^Z</input>
Core2#
1d00h: %SYS-5-CONFIG_I: Configured from console by vty0 (10.0.0.30)
Core2#<input>reload</input>

After reboot

Core2#<input>sh sdm prefer</input>
 The current template is "desktop routing" template.
 The selected template optimizes the resources in
 the switch to support this level of features for
 8 routed interfaces and 1024 VLANs.

  number of unicast mac addresses:                  3K
  number of IPv4 IGMP groups + multicast routes:    1K
  number of IPv4 unicast routes:                    11K
    number of directly-connected IPv4 hosts:        3K
    number of indirect IPv4 routes:                 8K
  number of IPv4 policy based routing aces:         <notice>512</notice>
  number of IPv4/MAC qos aces:                      512
  number of IPv4/MAC security aces:                 1K

Links

References