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Implementing Carrier Grade NAT on Cisco IOS XR Software
Line Card Upgrade
UPGRADE FROM_ UBOOT to 559 & MANS FPGA to 0.41014
SUMMARY STEPS
1. Load the fpd pie.
2. Uboot the line card.
3. Wait for the ready for UBOOT log message on the console.
4. Go to admin mode on the node and upgrade the FPGA MANS.
5. Also upgrade these locations for Uboot:
6. Reload the card after the successful upgrade operation.
7. After the card comes up, check for the uboot version . This can be done using the following command
from the admin mode.
DETAILED STEPS
Step 1
Load the fpd pie.
Step 2
Uboot the line card.
Example:
hw-module location 0/2/CPU0 uboot-mode
WARNING: This will bring the requested node's PLIM to uboot mode.
Do you wish to continue?[confirm(y/n)]y
Step 3
Wait for the ready for UBOOT log message on the console.
Example:
RP/0/RP0/CPU0:#LC/0/2/CPU0:Sep 29 02:38:40.418 : plim_services[239]:
tile_fsm_uboot_doorbell_handler[3222] Plim moved to uboot-mode and ready for UBOOT upgrade
Step 4
Go to admin mode on the node and upgrade the FPGA MANS.
OL-32659-01
◦ We can override this and set the DF bit to 0, if incoming IPv6 packets are smaller than 1280 bytes.
◦ This is to prevent path-mtu blackholing issues.
conf t
service cgn cgn1
service-type nat64 stateless xlat1
ipv6-prefix 2001:db8:ff00::/40
ubit-reserved
address-family ipv4
interface ServiceApp4
tcp mss 1200
tos 64
address-family ipv6
interface ServiceApp6
tcp mss 1200
traffic-class 32
df-override
traceroute translation
address-pool 202.1.1.0/24
algorithm Hash
Cisco IOS XR Carrier Grade NAT Configuration Guide for the Cisco CRS Router, Release 5.2.x
Configuring IPv4/IPv6 Stateless Translator (XLAT)
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