I have a 2960S switch with multiple vlans and corresponding vlan interfaces.
After removing ip default-gateway, this switch is still able to communicate with remote networks.
It picks up an ip address as its gateway from upstreaming layer3 switch in a high to low vlan order !
It runs default sdm, no routing capability at all.
Switch#sh ver
Cisco IOS Software, C2960S Software (C2960S-UNIVERSALK9-M), Version 12.2(55)SE7,
RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2013 by Cisco Systems, Inc.
Compiled Mon 28-Jan-13 10:28 by prod_rel_team
Image text-base: 0x00003000, data-base: 0x01B00000
=========================================
Switch#sh sdm prefer
The current template is "default" template.
The selected template optimizes the resources in
the switch to support this level of features for
0 routed interfaces and 255 VLANs.
number of unicast mac addresses: 8K
number of IPv4 IGMP groups: 0.25K
number of IPv6 multicast groups: 0.25K
number of IPv4/MAC qos aces: 0.375k
number of IPv4/MAC security aces: 0.375k
number of IPv6 policy based routing aces: 0
number of IPv6 qos aces: 0
number of IPv6 security aces: 0.125k
I am truly amused and confused.
Anyone has similar experience ?
