IP Source Guard crush Catalyst 3750

Discussion in 'Cisco' started by Jan Kowalski, Jul 12, 2004.

  1. Jan Kowalski

    Jan Kowalski Guest

    Hello!
    I try to use Catalyst 3750 with "ip source quard". When there is 2000 lines
    with "ip source binding..." in config, something like this:
    ip source binding 8888.2222.0001 vlan 1001 192.168.168.1 interface Gi1/0/6
    ip source binding 8888.2222.0002 vlan 1001 192.168.168.2 interface Gi1/0/6
    ip source binding 8888.2222.0003 vlan 1001 192.168.168.3 interface Gi1/0/6
    ip source binding 8888.2222.0004 vlan 1001 192.168.168.4 interface Gi1/0/6
    ip source binding 8888.2222.0005 vlan 1001 192.168.168.5 interface Gi1/0/6
    ip source binding 8888.2222.0006 vlan 1001 192.168.168.6 interface Gi1/0/6
    ip source binding 8888.2222.0007 vlan 1001 192.168.168.7 interface Gi1/0/6
    ip source binding 8888.2222.0008 vlan 1001 192.168.168.8 interface Gi1/0/6
    ip source binding 8888.2222.0009 vlan 1001 192.168.168.9 interface Gi1/0/6
    ....
    a switch works to first reload. After reload the switch, CPU utilization is
    100 %. "HULC DHCP Snoopi" process take 80-95% of utilization. There is no
    infrmation about maximum "ip source binding..." lines in technical
    informations for this switch. I think this is a bug i IOS.
    Is there anybody who use "ipsource guard..." on Catalyst 3570 ?


    Best Regards

    Adam
    Switch Ports Model SW Version SW Image
    ------ ----- ----- ---------- ----------
    *1 24 WS-C3750G-24T 12.2(20)SE C3750-I5-M
    Jan Kowalski, Jul 12, 2004
    #1
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