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Monitoring Transparent Bridging

This section describes how to:

Setting Statistics Baselines

You can set a statistics baseline for a bridge group (using the baseline bridge command) or for a bridge interface (using the baseline bridge interface command).

    baseline bridge

host1#baseline bridge westford03

    baseline bridge interface

host1#baseline bridge interface atm 3/3.1

Removing Dynamic MAC Address Entries

You can remove all dynamic (learned) MAC address entries from the forwarding table for a bridge group (using the clear bridge command) or for a bridge interface (using the clear bridge interface command).

    clear bridge

host1#show bridge westford01 table dynamic
  Bridge: westford01 MAC Address Table
   Address         Action         Interface          Age
--------------   ----------   -------------------   -----
0090.1a01.0205   forward      ATM3/3.1                0  
1234.abcd.5678   discard      ---                    ---
host1#clear bridge westford01
host1#show bridge westford01 table dynamic
  Bridge: westford01 MAC Address Table
   Address         Action         Interface          Age
--------------   ----------   -------------------   -----

    clear bridge interface

host1#show bridge westford02 table dynamic
  Bridge: westford02 MAC Address Table
   Address         Action         Interface          Age
--------------   ----------   -------------------   -----
0090.1a01.0205   forward      ATM3/3.1                0  
0090.1a01.0206   forward      ATM3/3.2               10  
0090.1a01.0207   forward      ATM3/3.3                5  
host1#clear bridge interface atm 3/3.2
host1#show bridge westford02 table dynamic
  Bridge: westford02 MAC Address Table
   Address         Action         Interface          Age
--------------   ----------   -------------------   -----
0090.1a01.0205   forward      ATM3/3.1                0  
0090.1a01.0207   forward      ATM3/3.3                5  

Monitoring Bridge Groups

You can use show commands to display information about the bridge groups configured on your system.

    show bridge

host1#show bridge westford01
  BridgeGroup: westford01
        Bridge Mode:            CRB
        Aging Time:             300 secs
        Learning:               Enabled
        Max Learn:              Unlimited
        Link Status Snmp Traps: Disabled
        Subscriber Policy:      default Subscriber
        Protocol Actions:
           Route  IP
           Route  PPPoE
        Port Count:             1
        Interface Count:        1
host1#show bridge westford01 all
  BridgeGroup: westford01
        Bridge Mode:            CRB
        Aging Time:             300 secs
        Learning:               Enabled
        Max Learn:              Unlimited
        Link Status Snmp Traps: Disabled
        Subscriber Policy:      default Subscriber
        Protocol Actions:
           Route  IP
           Route  PPPoE
        Port Count:             1
        Interface Count:        1

  Address Table:
   Address         Action         Interface          Age
--------------   ----------   -------------------   -----
1011.22b2.333c   forward      ATM3/3.1               ---
1234.abcd.5678   discard      ---                    ---

  Interfaces:
    ATM3/3.1
      Port Number: 1
      Operational Status: LowerLayerDown
      Admin Status: Up
      Snmp Link Status Trap: Disabled
      Max Learn: Unlimited
      Subscriber Policy: default Subscriber
      Statistics:
         In Octets:    0
         In Frames:    0
         In Discards:  0
         In Errors:    0
         Out Octets:   0
         Out Frames:   0
         Out Discards: 0
         Out Errors:   0
      queue 0: traffic class best-effort, bound to bridge 
    ATM3/3.1 
        Queue length 0 Bytes
        Forwarded packets 0, Bytes 0
        Dropped committed packets 0, Bytes 0
        Dropped conformed packets 0, Bytes 0
        Dropped exceeded packets 0, Bytes 0

    show bridge groups

host1#show bridge groups
  BridgeGroup: westford02
  BridgeGroup: westford01

host1#show bridge groups details
  BridgeGroup: westford02
        Bridge Mode:            CRB
        Aging Time:             300 secs
        Learning:               Enabled
        Max Learn:              Unlimited
        Link Status Snmp Traps: Disabled
        Subscriber Policy:      client01
        Protocol Actions:
           Route  IP
           Route  PPPoE
        Port Count:             0
        Interface Count:        0
  BridgeGroup: westford01
        Bridge Mode:            CRB
        Aging Time:             300 secs
        Learning:               Enabled
        Max Learn:              Unlimited
        Link Status Snmp Traps: Disabled
        Subscriber Policy:      default Subscriber
        Protocol Actions:
        Port Count:             1
        Interface Count:        1

    show bridge port

host1#show bridge westford01 port 1
    ATM3/3.1
      Port Number: 1
      Operational Status: LowerLayerDown
      Admin Status: Up
      Snmp Link Status Trap: Disabled
      Max Learn: Unlimited
      Subscriber Policy: default Subscriber
      Statistics:
         In Octets:    0
         In Frames:    0
         In Discards:  0
         In Errors:    0
         Out Octets:   0
         Out Frames:   0
         Out Discards: 0
         Out Errors:   0
      queue 0: traffic class best-effort, bound to bridge 
    ATM3/3.1 
        Queue length 0 Bytes
        Forwarded packets 0, Bytes 0
        Dropped committed packets 0, Bytes 0
        Dropped conformed packets 0, Bytes 0
        Dropped exceeded packets 0, Bytes 0
host1#show bridge westford01 port brief
 Port            Interface              Status
------   -------------------------   ------------
1        ATM3/3.1                    LowerLayerDown

    show bridge table

host1#show bridge westford01 table static
  Bridge: westford01 MAC Address Table
   Address         Action         Interface          Age
--------------   ----------   -------------------   -----
1a11.22b2.333c   forward      ATM3/3.1               ---
1234.abcd.5678   discard      ---                    ---

Monitoring Bridge Interfaces

You can use the show bridge interface command to display information for a specified bridge interface or for all interfaces assigned to a bridge group.

    show bridge interface

host1#show bridge interface fastEthernet 9/1.1
    fastEthernet9/1.1
      BridgeGroup: 1
      Port Number: 1
      Operational Status: Up
      Admin Status: Up
      Snmp Link Status Trap: Disabled
      Max Learn: Unlimited
      Subscriber Policy: atmfe1
      Statistics:
         In Octets:    0
         In Frames:    0
         In Discards:  0
         In Errors:    0
         Out Octets:   0
         Out Frames:   0
         Out Discards: 0
         Out Errors:   0
      queue 0: traffic class best-effort, bound to bridge 
    FastEthernet9/1.1 
        Queue length 0 Bytes
        Forwarded packets 0, Bytes 0
        Dropped committed packets 0, Bytes 0
        Dropped conformed packets 0, Bytes 0
        Dropped exceeded packets 0, Bytes 0

host1#show bridge westford01 interface brief
Interface            Port       Status
-----------------  --------   ------------
FastEthernet9/1.1     1           Up
FastEthernet9/1.2     2           Up
FastEthernet9/3.1     3           Up
ATM11/0.5             4           Up
ATM11/3.2             5           Up
ATM11/0.7             6           Up

Monitoring Subscriber Policies

You can use the show subscriber-policy command to display the rules for all subscriber policies configured on your system or for a specified subscriber policy.

    show subscriber-policy

host1#show subscriber-policy
  Subscriber: default Subscriber
  ARP                 : Permit
  Broadcast           : Deny
  Multicast           : Permit
  Unknown Destination : Deny
  IP                  : Permit
  Unknown Protocol    : Permit
  Unicast             : Permit
  PPPoE               : Permit
  Relearn             : Permit
  Mpls                : Permit
  Subscriber: default Trunk
  ARP                 : Permit
  Broadcast           : Permit
  Multicast           : Permit
  Unknown Destination : Permit
  IP                  : Permit
  Unknown Protocol    : Permit
  Unicast             : Permit
  PPPoE               : Permit
  Relearn             : Permit
  Mpls                : Permit

  Subscriber: client01
  ARP                 : Permit
  Broadcast           : Permit
  Multicast           : Deny
  Unknown Destination : Deny
  IP                  : Permit
  Unknown Protocol    : Permit
  Unicast             : Permit
  PPPoE               : Permit
  Relearn             : Deny
  Mpls                : Permit
host1#show subscriber-policy client01
  Subscriber: client01
  ARP                 : Permit
  Broadcast           : Permit
  Multicast           : Deny
  Unknown Destination : Deny
  IP                  : Permit
  Unknown Protocol    : Permit
  Unicast             : Permit
  PPPoE               : Permit
  Relearn             : Deny
  Mpls                : Permit


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