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# Monitoring Subscriber Information

#### Purpose

Display the active subscribers on the router. If you specify a username, the router displays only the users that match. When you issue the command in the default VR, all users are displayed. When you issue the command in a nondefault VR, only those users attached to that VR are displayed. The following list describes keywords that you can use with the show subscribers command:

- You can use the domain, interface, port, slot, username, or virtual-router keywords on all routers to filter the results. If you do not use a keyword, all active users are displayed.
- When you use the interface keyword to display detailed subscriber information by interface, you must also specify either the atm or ethernet keyword, an interface specifier, and optionally a subinterface specifier.
- The output displayed in the interface field depends on the configuration of two commands at the time the subscriber logs in: aaa intf-desc-format include sub-intf and aaa intf-desc-format include adapter (for the E120 and E320 routers).
  - When the aaa intf-desc-format include sub-intf disable command has been issued, the subinterface is stripped from the subscriber’s interface field at login and is not displayed in the output. In the default state, or when the aaa intf-desc-format include sub-intf enable command has been issued, the subinterface is included in the subscriber’s interface field at login, and is displayed in the output.
  - When the aaa intf-desc-format include adapter disable command has been issued, the adapter is stripped from the subscriber’s interface field at login and is not displayed in the output. In the default state, or when the aaa intf-desc-format include adapter enable command has been issued, the adapter is included in the subscriber’s interface field at login and is displayed in the output.
  - Even when the subinterface has been stripped from the subscriber’s interface field, you can still include the subinterface specifier in the show subscribers interface command. Even though the subinterface itself is not displayed, only subscribers on the specified subinterface are displayed.
  - These considerations do not apply when you issue the summary keyword. The output displayed in the Interface field of summary versions is not affected by the state of either the aaa intf-desc-format include sub-intf command or the aaa intf-desc-format include adapter command when the subscriber logs in.
- You can use the ipv6 keyword to display all IPv6 subscribers or include the IPv6 prefix to limit the display to only IPv6 subscribers on a specific network.
- You can use the summary keyword to display only summary information about active subscribers.

#### Action

To display general subscriber information:

    host1# show subscribers
                                 Subscriber List
                                 ----------------
                                                               Virtual
          User Name           Type         Addr|Endpt           Router
    -----------------------   -----   --------------------   ------------
    fred                      tst     10.10.65.86/radius     default
    bert                      tst     192.168.10.3/user      default
          User Name                      Interface
    -----------------------   --------------------------------
    fred                      atm 2/1.42:100.104
    bert                      FastEthernet 5/2.4
          User Name               Login Time           Circuit Id
    -----------------------   -------------------   ----------------
    fred                      06/05/12 10:58:42     atm 5/1.3
    bert                      06/05/12 10:59:08
         User Name               Remote Id
    -----------------------   ----------------
    fred
    bert                      (800) 555-1212

To display detailed information for subscribers on the specified interface:

    host1# show subscribers interface ethernet 5/2
                                    Subscriber List
                                    ---------------
                                                                Virtual
           User Name           Type         Addr|Endpt           Router
    ------------------------   -----   --------------------   ------------
    bert                       tst     192.168.10.3/user      default
           User Name                      Interface
    ------------------------   --------------------------------
    bert                       FastEthernet 5/2.4
           User Name               Login Time           Circuit Id
    ------------------------   -------------------   ----------------
    bert                       06/05/12 10:59:08
           User Name              Remote Id
    -----------------------    ----------------
    bert                      (800) 555-0000

To display detailed information for subscribers on the specified slot:

    host1# show subscribers slot 5
                                 Subscriber List
                                 ---------------
                                                                Virtual
           User Name           Type         Addr|Endpt           Router
    ------------------------   -----   --------------------   ------------
    fred                       tst     10.10.65.86/radius     default
           User Name                      Interface
    ------------------------   --------------------------------
    fred                       atm 5/1.42:100.104
           User Name               Login Time           Circuit Id
    ------------------------   -------------------   ----------------
    fred                       06/05/12 10:58:42     atm 5/1.3
           User Name              Remote Id
    -----------------------    ----------------
    fred

To display the number of subscribers on each virtual router, as well as the total and peak subscribers for the chassis:

    host1#show subscribers summary
      Virtual
       Router      Subscribers     Ppp       Ip      Tnl     Total
    ------------   ------------   ------   ------   ------   ------
    default        1              1        0        0        1
    Total Subscribers : 10 (chassis-wide total)
    Peak  Subscribers : 15 (chassis-wide total)

To display the number of subscribers on each port:

    host1#show subscribers summary port
    Interface      Count
    ------------   ------
    3/1            5
    2/1            5
    Total Subscribers : 10 (chassis-wide total)
    Peak  Subscribers : 15 (chassis-wide total)

To display the number of subscribers by domain name:

    host1#show subscribers summary domain
              Domain Name              Count
    --------------------------------   ------
    abc.com                            5
    iii.com                            5
    Total Subscribers : 10 (chassis-wide total)
    Peak  Subscribers : 15 (chassis-wide total)

To display the number of subscribers by interface:

    host1#show subscribers summary interface
         Interface         Count
    --------------------   ------
    ATM 3/2.1              1
    ETHERNET 5/2.1         2
    Total Subscribers : 3 (chassis-wide total)
    Peak  Subscribers : 6 (chassis-wide total)

To display the number of subscribers by slot:

    host1#show subscribers summary slot
      Slot     Count
    --------   -----
    3          1
    5          4
    Total Subscribers : 5 (chassis-wide total)
    Peak  Subscribers : 8 (chassis-wide total)

#### Meaning

Table 31 lists the show subscribers command output fields.

Table 31: show subscribers Output Fields

Field Name | Field Description
--- | ---
User Name | Name of the subscriber
Type | Type of subscriber: atm, ip, ipsec, ppp, tnl (tunnel), tst (test)
Addr | Endpt | IP or IPv6 address and source of the address: l2tp, local, dhcp, radius, user. For local, dhcp, radius, and user endpoints, the address is that of the user. When the endpoint is l2tp, the address is that of the LNS.
Virtual Router | Name of the virtual router context
Interface | Interface specifier over which the subscriber is connected
Login Time | Date, in YY/MM/DD format, and time the subscriber logged in
Circuit Id | User circuit ID value specified by PPPoE
Remote Id | User remote ID value specified by PPPoE
Total Subscribers | Number of active subscribers, chassis-wide
Peak Subscribers | Maximum value of the Total Subscriber field during the time the router has been active, chassis-wide
Subscribers | Number of subscribers; the sum of the Ppp and Ip fields
Ppp | Number of PPPoA and PPPoE users, combined
Ip | Number of DHCP and IP subscriber manager users, combined
Tnl | Number of users tunneled to an LNS
Total | Total number of users per virtual router; the sum of the Ppp, Ip, and Tnl fields
Domain Name | Domain name used by the subscriber
Count | Number of subscribers
Slot | Number of slot in the chassis

#### Related Topics

- show subscribers

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