I have a Cisco 877 router, running IOS Version 12.4(24)T3, with 4 Ethernet ports and multiple external IP address attached to the internet connection.
I usually just nat the external addresses to internal ones but I have to install a Juniper Firewall for a third party which must connect directly to the web as the external ip needs to be configured on the wan interface of the firewall.
So my question is can I bind/bridge a single external IP to one of the Ethernet ports on the router so the firewall thinks its connected directly to the internet ?
show version Cisco IOS Software, C870 Software (C870-ADVIPSERVICESK9-M), Version 12.4(24)T3, RELEASE SOFTWARE (fc2) Technical Support: cisco.com/techsupport Copyright (c) 1986-2010 by Cisco Systems, Inc. Compiled Tue 23-Mar-10 18:21 by prod_rel_team ROM: System Bootstrap, Version 12.3(8r)YI4, RELEASE SOFTWARE richadsl uptime is 6 weeks, 1 day, 12 hours, 1 minute System returned to ROM by power-on System image file is "flash:c870-advipservicesk9-mz.124-24.T3.bin" Cisco 877 (MPC8272) processor (revision 0x200) with 118784K/12288K bytes of memo ry. Processor board ID FHK1123161T MPC8272 CPU Rev: Part Number 0xC, Mask Number 0x10 4 FastEthernet interfaces 1 ATM interface 128K bytes of non-volatile configuration memory. 28672K bytes of processor board System flash (Intel Strataflash)