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--- cisco:certification_topics:ccie-ei:1.1.ai [2025/11/23 05:55] – created Name
+++ cisco:certification_topics:ccie-ei:1.1.ai [2025/11/24 00:21] (current) – [Managing MAC table] Name
@@ Line 79: / Line 79: @@
     e063.da86.8322    DYNAMIC     Gi1/0/48
 Total Mac Addresses for this criterion: 1</code>
+  * Static interface configuration.
+    * <code>sw-27(config)#mac address-table static 2000.2000.2027 vlan 6 interface tenGigabitEthernet 1/0/1</code>
+    * <code>sw-27#show mac address-table static | i Te1/0/1
+    2000.2000.2027    STATIC      Te1/0/1</code>
+  * Statically configure a MAC address on an interface.
+    * <code>sw-27(config)#int te 1/0/1
+sw-27(config-if)#mac-address 2000.2000.2002</code>
+  * Certain MAC addresses will not work and an error message will appear.
+    * <code>sw-27(config-if)#mac-address 0000.0000.0000
+% Malformed hex mac address
+sw-27(config-if)#mac-address 1111.1111.1111
+% Malformed hex mac address</code>
+  * Verify MAC address on an interface.
+    * <code>sw-27#show interface te 1/0/1 | i address
+  Hardware is Ten Gigabit Ethernet, address is 2000.2000.2002 (bia 0c75.bded.1881)</code>
+=====Aging Time=====
+  * Aging time for all VLANs.
+    * <code>sw-27#show mac address-table aging-time
+Global Aging Time:  300
+Vlan    Aging Time
+----    ----------
+     123
+    8340
+      35
+     125
+      30
+      30
+     240</code>
+  * Aging time for one VLAN.
+    * <code>sw-27#show mac address-table aging-time vlan 97
+Global Aging Time:  300
+Vlan    Aging Time
+----    ----------
+     123</code>
+=====MAC Address Count=====
+  * Number of MAC addresses present in all VLANs
+    * <code>sw-27#show mac address-table count
+Mac Entries for Vlan 1:
+---------------------------
+Dynamic Address Count  : 2
+Static  Address Count  : 1
+Total Mac Addresses    : 3
+Mac Entries for Vlan 6:
+---------------------------
+Dynamic Address Count  : 1
+Static  Address Count  : 0
+Total Mac Addresses    : 1
+Mac Entries for Vlan 97:
+---------------------------
+Dynamic Address Count  : 1
+Static  Address Count  : 0
+Total Mac Addresses    : 1
+Mac Entries for Vlan 131:
+---------------------------
+Dynamic Address Count  : 1
+Static  Address Count  : 0
+Total Mac Addresses    : 1
+Mac Entries for Vlan 5:
+---------------------------
+Dynamic Address Count  : 1
+Static  Address Count  : 0
+Total Mac Addresses    : 1
+Mac Entries for Vlan 201:
+---------------------------
+Dynamic Address Count  : 1
+Static  Address Count  : 0
+Total Mac Addresses    : 1
+Mac Entries for Vlan 200:
+---------------------------
+Dynamic Address Count  : 1
+Static  Address Count  : 0
+Total Mac Addresses    : 1
+Mac Entries for Vlan 99:
+---------------------------
+Dynamic Address Count  : 1
+Static  Address Count  : 0
+Total Mac Addresses    : 1
+Mac Entries for Vlan 3939:
+---------------------------
+Dynamic Address Count  : 1
+Static  Address Count  : 0
+Total Mac Addresses    : 1
+Total Dynamic Address Count  : 10
+Total Static  Address Count  : 1
+Total Mac Address In Use     : 11
+Total Mac Address Space Available: 32757</code>
+=====Dynamic MAC Addresses=====
+  * Display only dynamic MAC addresses.
+    * <code>sw-27#show mac address-table dynamic
+          Mac Address Table
+-------------------------------------------
+Vlan    Mac Address       Type        Ports
+----    -----------       --------    -----
+    c4b3.6a02.a097    DYNAMIC     Te1/0/23
+    c4b3.6a02.a098    DYNAMIC     Te1/0/24
+    c4b3.6a02.a08f    DYNAMIC     Te1/0/15
+    c4b3.6a02.a090    DYNAMIC     Te1/0/16
+    c4b3.6a02.a091    DYNAMIC     Te1/0/17
+    c4b3.6a02.a092    DYNAMIC     Te1/0/18
+    c4b3.6a02.a093    DYNAMIC     Te1/0/19
+    c4b3.6a02.a094    DYNAMIC     Te1/0/20
+    c4b3.6a02.a095    DYNAMIC     Te1/0/21
+    c4b3.6a02.a096    DYNAMIC     Te1/0/22
+Total Mac Addresses for this criterion: 10</code>
+=====Learning Status=====
+  * This feature is deprecated.
+=====Static MAC Addresses=====
+  * Display static MAC addresses.
+    *
+=====MAC Address Count=====
+=====MAC Address Count=====
+=====MAC Address Count=====
+=====All MAC Address-Table Combinations=====
   * Other combinations include.
     * <code>switch#show mac address-table ?
@@ Line 96: / Line 228: @@
   <cr></code>
-====Backlinks====
+======Managing Switching Table Sizes======
+=====General=====
+  * For lower-end switches, the finite memory can be adjusted to accommodate switch roles.
+  * This is done by changing the switch template.
+  * Also called: SDM, or Switch Database Management.
+=====Template Options=====
+  * Template options include, but are not limited to.
+    * default
+      * Default bias
+    * access
+      * Access bias
+    * routing
+      * Unicast bias
+    * vlan
+      * VLAN bias
+    * dual-ipv4-and-ipv6
+      * Supports IPv4 and IPv6
+  * Display current template (on a 9300-24UX
+    * <code>sw-27#show sdm prefer
+Showing SDM Template Info
+This is the Access template.
+  Number of VLANs:                                     4094
+  Unicast MAC addresses:                               32768
+  Overflow Unicast MAC addresses:                      1024
+  L2 Multicast entries:                                8192
+  Overflow L2 Multicast entries:                       512
+  L3 Multicast entries:                                8192
+  Overflow L3 Multicast entries:                       512
+  Directly connected routes:                           24576
+  Indirect routes:                                     8192
+  Security Access Control Entries:                     5120
+  QoS Access Control Entries:                          5120
+  Policy Based Routing ACEs:                           1024
+  Netflow Input ACEs:                                  256
+  Netflow Output ACEs:                                 768
+  Flow SPAN ACEs:                                      1024
+  Tunnels:                                             512
+  LISP Instance Mapping Entries:                       2048
+  Control Plane Entries:                               512
+  Input Netflow flows:                                 32768
+  Output Netflow flows:                                32768
+  SGT/DGT (or) MPLS VPN entries:                       8192
+  SGT/DGT (or) MPLS VPN Overflow entries:              512
+  Wired clients:                                       2048
+  MACSec SPD Entries:                                  256
+  VRF:                                                 256
+  MPLS Labels:                                         8192
+  MPLS L3 VPN Routes VRF Mode:                         7168
+  MPLS L3 VPN Routes Prefix Mode:                      8192
+  MVPN MDT Tunnels:                                    256
+  L2 VPN EOMPLS Attachment Circuit:                    256
+  MAX VPLS Bridge Domains :                            128
+  MAX VPLS Peers Per Bridge Domain:                    32
+  MAX VPLS/VPWS Pseudowires :                          1024
+These numbers are typical for L2 and IPv4 features.
+Some features such as IPv6, use up double the entry size;
+so only half as many entries can be created.</code>
+  * Display information about an SDM template (On a 9300-24UX).
+    * <code>sw-27#show sdm prefer nat
+Showing SDM Template Info
+This is the NAT template.
+  Number of VLANs:                                     4094
+  Unicast MAC addresses:                               32768
+  Overflow Unicast MAC addresses:                      1024
+  L2 Multicast entries:                                8192
+  Overflow L2 Multicast entries:                       512
+  L3 Multicast entries:                                8192
+  Overflow L3 Multicast entries:                       512
+  Directly connected routes:                           24576
+  Indirect routes:                                     8192
+  Security Access Control Entries:                     5120
+  QoS Access Control Entries:                          1024
+  Policy Based Routing ACEs:                           5120
+  Netflow Input ACEs:                                  256
+  Netflow Output ACEs:                                 768
+  Flow SPAN ACEs:                                      1024
+  Tunnels:                                             512
+  LISP Instance Mapping Entries:                       512
+  Control Plane Entries:                               512
+  Input Netflow flows:                                 32768
+  Output Netflow flows:                                32768
+  SGT/DGT (or) MPLS VPN entries:                       8192
+  SGT/DGT (or) MPLS VPN Overflow entries:              512
+  Wired clients:                                       2048
+  MACSec SPD Entries:                                  256
+  VRF:                                                 256
+  MPLS Labels:                                         2048
+  MPLS L3 VPN Routes VRF Mode:                         7168
+  MPLS L3 VPN Routes Prefix Mode:                      8192
+  MVPN MDT Tunnels:                                    256
+  L2 VPN EOMPLS Attachment Circuit:                    256
+  MAX VPLS Bridge Domains :                            128
+  MAX VPLS Peers Per Bridge Domain:                    32
+  MAX VPLS/VPWS Pseudowires :                          1024
+These numbers are typical for L2 and IPv4 features.
+Some features such as IPv6, use up double the entry size;
+so only half as many entries can be created.</code>
+=====Activate SDM Template=====
+  * The SDM template can be changed to another template by (On a 9300-24UX).
+    * <code>sw-27(config)#sdm prefer nat
+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.</code>
+======Backlinks======
 [[cisco:certification_topics:ccie-ei|CCIE-EI v1.1]]\\

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